Ralph Maddison

Summary

Affiliation: University of Auckland
Country: New Zealand

Publications

  1. ncbi request reprint Estimating energy expenditure with the RT3 triaxial accelerometer
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, New Zealand
    Res Q Exerc Sport 80:249-56. 2009
  2. pmc International Physical Activity Questionnaire (IPAQ) and New Zealand Physical Activity Questionnaire (NZPAQ): a doubly labelled water validation
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 4:62. 2007
  3. pmc Active video games: the mediating effect of aerobic fitness on body composition
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 9:54. 2012
  4. pmc Do enhancements to the urban built environment improve physical activity levels among socially disadvantaged populations?
    Jamie R Pearce
    Institute of Geography, School of Geosciences, University of Edinburgh, UK
    Int J Equity Health 10:28. 2011
  5. ncbi request reprint Modeling and rehabilitation following anterior cruciate ligament reconstruction
    Ralph Maddison
    Department of Sport and Exercise Science, University of Auckland, New Zealand
    Ann Behav Med 31:89-98. 2006
  6. doi request reprint A modeling intervention in heart failure
    Ralph Maddison
    Clinical Trials Research Unit, School of Population Health, University of Auckland, Private Bag, 92019, Auckland Mailing Centre, Auckland, New Zealand
    Ann Behav Med 36:64-9. 2008
  7. pmc The environment and physical activity: The influence of psychosocial, perceived and built environmental factors
    Ralph Maddison
    Clinical Trials Research Unit, School of Population Health, Faculty of Medical and Health Sciences, University of Auckland
    Int J Behav Nutr Phys Act 6:19. 2009
  8. pmc Feasibility, design and conduct of a pragmatic randomized controlled trial to reduce overweight and obesity in children: The electronic games to aid motivation to exercise (eGAME) study
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    BMC Public Health 9:146. 2009
  9. pmc Screen-time weight-loss intervention targeting children at home (SWITCH): a randomized controlled trial study protocol
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland 1142, New Zealand
    BMC Public Health 11:524. 2011
  10. pmc Global positioning system: a new opportunity in physical activity measurement
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 6:73. 2009

Collaborators

Detail Information

Publications67

  1. ncbi request reprint Estimating energy expenditure with the RT3 triaxial accelerometer
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, New Zealand
    Res Q Exerc Sport 80:249-56. 2009
    ..The RT3 provided a relatively accurate assessment of free-living activity-related energy expenditure at the group level and generally underestimated total and activity-related energy expenditure compared to DLW..
  2. pmc International Physical Activity Questionnaire (IPAQ) and New Zealand Physical Activity Questionnaire (NZPAQ): a doubly labelled water validation
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 4:62. 2007
    ..The IPAQ has been modified to produce a New Zealand physical activity questionnaire (NZPAQ). The aim of this study was to validate the IPAQ and NZPAQ against doubly labelled water (DLW)...
  3. pmc Active video games: the mediating effect of aerobic fitness on body composition
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 9:54. 2012
    ..In this short paper we evaluate the mediating effects of the secondary outcomes...
  4. pmc Do enhancements to the urban built environment improve physical activity levels among socially disadvantaged populations?
    Jamie R Pearce
    Institute of Geography, School of Geosciences, University of Edinburgh, UK
    Int J Equity Health 10:28. 2011
    ....
  5. ncbi request reprint Modeling and rehabilitation following anterior cruciate ligament reconstruction
    Ralph Maddison
    Department of Sport and Exercise Science, University of Auckland, New Zealand
    Ann Behav Med 31:89-98. 2006
    ....
  6. doi request reprint A modeling intervention in heart failure
    Ralph Maddison
    Clinical Trials Research Unit, School of Population Health, University of Auckland, Private Bag, 92019, Auckland Mailing Centre, Auckland, New Zealand
    Ann Behav Med 36:64-9. 2008
    ..Peak oxygen uptake (VO(2)) testing is commonly used to assess chronic heart failure (CHF) patients' exercise tolerance. The test requires maximal effort; however, many participants have low confidence (self-efficacy) to perform optimally...
  7. pmc The environment and physical activity: The influence of psychosocial, perceived and built environmental factors
    Ralph Maddison
    Clinical Trials Research Unit, School of Population Health, Faculty of Medical and Health Sciences, University of Auckland
    Int J Behav Nutr Phys Act 6:19. 2009
    ..This study sought to integrate perceived and built environmental and individual factors into the Theory of Planned Behavior (TPB) model to better understand adolescents' physical activity...
  8. pmc Feasibility, design and conduct of a pragmatic randomized controlled trial to reduce overweight and obesity in children: The electronic games to aid motivation to exercise (eGAME) study
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    BMC Public Health 9:146. 2009
    ....
  9. pmc Screen-time weight-loss intervention targeting children at home (SWITCH): a randomized controlled trial study protocol
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland 1142, New Zealand
    BMC Public Health 11:524. 2011
    ..The aim of this trial is to determine the effects of a 24 week home-based, family oriented intervention to reduce sedentary screen time on children's body composition, sedentary behavior, physical activity, and diet...
  10. pmc Global positioning system: a new opportunity in physical activity measurement
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 6:73. 2009
    ..However, no studies have shown that GPS alone is a reliable and valid measure of physical activity...
  11. pmc HEART: heart exercise and remote technologies: a randomized controlled trial study protocol
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Glen Innes, Auckland 1121, New Zealand
    BMC Cardiovasc Disord 11:26. 2011
    ..This paper outlines the rationale and methods of the trial...
  12. pmc A mHealth cardiac rehabilitation exercise intervention: findings from content development studies
    Leila Pfaeffli
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    BMC Cardiovasc Disord 12:36. 2012
    ..The aim of this paper is to present the content development process for a mHealth (mobile phone and internet-based) cardiac rehabilitation (CR) exercise intervention...
  13. pmc Effects of a free school breakfast programme on children's attendance, academic achievement and short-term hunger: results from a stepped-wedge, cluster randomised controlled trial
    Cliona Ni Mhurchu
    Clinical Trials Research Unit, School of Population Health, University of Auckland, Auckland, New Zealand
    J Epidemiol Community Health 67:257-64. 2013
    ..Free school breakfast programmes (SBPs) exist in a number of high-income countries, but their effects on educational outcomes have rarely been evaluated in randomised controlled trials...
  14. doi request reprint Effect of electronic time monitors on children's television watching: pilot trial of a home-based intervention
    Cliona Ni Mhurchu
    Clinical Trials Research Unit, School of Population Health, University of Auckland, Private Bag 92019 Auckland, New Zealand
    Prev Med 49:413-7. 2009
    ..This pilot study evaluated the feasibility (recruitment, retention, and acceptability) and preliminary efficacy of a six-week home-based electronic time monitor intervention on New Zealand children's television watching in 2008...
  15. doi request reprint Effects of active video games on body composition: a randomized controlled trial
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Am J Clin Nutr 94:156-63. 2011
    ..Sedentary activities such as video gaming are independently associated with obesity. Active video games, in which players physically interact with images on screen, may help increase physical activity and improve body composition...
  16. doi request reprint Socio-economic differences in eating-related attitudes, behaviours and environments of adolescents
    Jennifer Utter
    Epidemiology and Biostatistics, School of Population Health, University of Auckland, Private Bag 92019, Auckland, New Zealand
    Public Health Nutr 14:629-34. 2011
    ....
  17. pmc Text message-based diabetes self-management support (SMS4BG): study protocol for a randomised controlled trial
    Rosie Dobson
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
    Trials 17:179. 2016
    ..This study aims to assess whether SMS4BG can improve glycaemic control in adults with poorly controlled diabetes. This paper outlines the rationale and methods of the trial...
  18. pmc A theory-based video messaging mobile phone intervention for smoking cessation: randomized controlled trial
    Robyn Whittaker
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    J Med Internet Res 13:e10. 2011
    ..This social cognitive theory-based intervention (called "STUB IT") used observational learning via short video diary messages from role models going through the quitting process to teach behavioral change techniques...
  19. doi request reprint A mobile phone intervention increases physical activity in people with cardiovascular disease: Results from the HEART randomized controlled trial
    Ralph Maddison
    National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
    Eur J Prev Cardiol 22:701-9. 2015
    ..To determine the effectiveness and cost-effectiveness of a mobile phone intervention to improve exercise capacity and physical activity behaviour in people with ischaemic heart disease (IHD)...
  20. doi request reprint Presleep activities and time of sleep onset in children
    Louise S Foley
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand
    Pediatrics 131:276-82. 2013
    ..The study aims were to describe the activities undertaken 90 minutes before sleep onset and to examine the association between activities and time of sleep onset in New Zealand young people...
  21. pmc Screen-Time Weight-loss Intervention Targeting Children at Home (SWITCH): a randomized controlled trial
    Ralph Maddison
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    Int J Behav Nutr Phys Act 11:111. 2014
    ....
  22. ncbi request reprint Adolescent physical activity: does implementation intention have a role?
    Vaughan Roberts
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    J Phys Act Health 7:497-507. 2010
    ..The current study tested the utility of an integrated social cognitive model to predict physical activity (PA) intentions and behavior in New Zealand adolescents...
  23. ncbi request reprint Describing patterns of physical activity in adolescents using global positioning systems and accelerometry
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Pediatr Exerc Sci 22:392-407. 2010
    ..On weekends physical activity patterns were more disparate and took place outside of the home environment. Example maps were generated to display the location of moderate to vigorous activity for weekdays and weekends...
  24. ncbi request reprint Energy expended playing video console games: an opportunity to increase children's physical activity?
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Pediatr Exerc Sci 19:334-43. 2007
    ..Playing active console video games over short periods of time is similar in intensity to light to moderate traditional physical activities such as walking, skipping, and jogging...
  25. doi request reprint The acute effects of exercise on cigarette cravings, withdrawal symptoms, affect, and smoking behaviour: systematic review update and meta-analysis
    Vaughan Roberts
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    Psychopharmacology (Berl) 222:1-15. 2012
    ..A number of studies have examined the relationships between exercise, cigarette cravings, and TWS...
  26. pmc It's not just the television: survey analysis of sedentary behaviour in New Zealand young people
    Louise S Foley
    Clinical Trials Research Unit, University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand
    Int J Behav Nutr Phys Act 8:132. 2011
    ..The aim of this research was to describe sedentary behaviour among New Zealand (NZ) youth and examine whether sedentary behaviour differs by Body Mass Index (BMI) status in this population...
  27. doi request reprint A development and evaluation process for mHealth interventions: examples from New Zealand
    Robyn Whittaker
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    J Health Commun 17:11-21. 2012
    ....
  28. pmc A multimedia mobile phone-based youth smoking cessation intervention: findings from content development and piloting studies
    Robyn Whittaker
    University of Auckland, Leader Health Technology Research, Clinical Trials Research Unit, Private Bag, Auckland, New Zealand
    J Med Internet Res 10:e49. 2008
    ..Following the success of our text messaging smoking cessation program, we developed an innovative multimedia mobile phone smoking cessation intervention...
  29. pmc Diabetes Text-Message Self-Management Support Program (SMS4BG): A Pilot Study
    Rosie Dobson
    National Institute for Health Innovation, School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
    JMIR Mhealth Uhealth 3:e32. 2015
    ....
  30. pmc The remote exercise monitoring trial for exercise-based cardiac rehabilitation (REMOTE-CR): a randomised controlled trial protocol
    Ralph Maddison
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    BMC Public Health 14:1236. 2014
    ....
  31. doi request reprint The non-advertising effects of screen-based sedentary activities on acute eating behaviours in children, adolescents, and young adults. A systematic review
    Samantha Marsh
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand Electronic address
    Appetite 71:259-73. 2013
    ..More work is required to better establish the link between dietary intake and advertisement-free screen time and assess whether differences exist between the different screen-based activities. ..
  32. pmc The effect of active video games by ethnicity, sex and fitness: subgroup analysis from a randomised controlled trial
    Louise Foley
    National Institute for Health Innovation, School of Population Health, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    Int J Behav Nutr Phys Act 11:46. 2014
    ..The study aim was to evaluate the consistency of the effects of active video games across important subgroups in a randomised controlled trial (RCT)...
  33. ncbi request reprint Use of active video games to increase physical activity in children: a (virtual) reality?
    Louise Foley
    Clinical Trials Research Unit, The University of Auckland, Auckland, New Zealand
    Pediatr Exerc Sci 22:7-20. 2010
    ..Future research should focus on larger, methodologically sound intervention trials to provide definitive answers as to whether this technology is effective in promoting long-term physical activity in children...
  34. doi request reprint Parents' and children's perceptions of active video games: a focus group study
    Robyn Dixon
    University of Auckland, New Zealand
    J Child Health Care 14:189-99. 2010
    ..It would appear that there is potential for AVGs to reduce inactivity in young people. However, barriers to widespread, sustainable adoption would need to be addressed if this potential is to be realized...
  35. ncbi request reprint Perceived versus actual distance to local physical-activity facilities: does it really matter?
    Ralph Maddison
    Clinical Trials Research Unit, University of Auckland, New Zealand
    J Phys Act Health 7:323-32. 2010
    ....
  36. pmc Development of an Evidence-Based mHealth Weight Management Program Using a Formative Research Process
    Wilma Waterlander
    National Institute for Health Innovation, School of Population Health, University of Auckland, Auckland, New Zealand
    JMIR Mhealth Uhealth 2:e18. 2014
    ....
  37. doi request reprint Acceptability of a mobile health exercise-based cardiac rehabilitation intervention: a randomized trial
    Leila Pfaeffli Dale
    National Institute for Health Innovation Mss Pfaeffli Dale and Carter and Drs Whittaker, Jiang, and Maddison, School of Nursing Dr Dixon, and Department of Medicine Dr Stewart, University of Auckland, Auckland, New Zealand
    J Cardiopulm Rehabil Prev 35:312-9. 2015
    ..The Heart Exercise And Remote Technologies trial examined the effectiveness of an mHealth intervention to increase exercise behavior in adults with IHD. As a part of this trial, a process evaluation was conducted...
  38. pmc Text Message and Internet Support for Coronary Heart Disease Self-Management: Results From the Text4Heart Randomized Controlled Trial
    Leila Pfaeffli Dale
    National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
    J Med Internet Res 17:e237. 2015
    ..Previous studies have focused on single behaviors; however, cardiac rehabilitation (CR), a component of CHD self-management, needs to address multiple risk factors...
  39. doi request reprint Exercise counseling to enhance smoking cessation outcomes: the Fit2Quit randomized controlled trial
    Ralph Maddison
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
    Ann Behav Med 48:194-204. 2014
    ..Regular exercise has been proposed as a potential smoking cessation aid...
  40. pmc Measuring physical activity in a cardiac rehabilitation population using a smartphone-based questionnaire
    Leila Pfaeffli
    The National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
    J Med Internet Res 15:e61. 2013
    ..Mobile phones offer a novel approach to measure self-reported physical activity on a daily basis and offer real-time data collection with the potential to enhance recall...
  41. doi request reprint Doubly labeled water validation of a computerized use-of-time recall in active young people
    Louise S Foley
    National Institute for Health Innovation, University of Auckland, New Zealand
    Metabolism 62:163-9. 2013
    ..The study aim was to validate the MARCA for the estimation of energy expenditure in young people, using the criterion standard doubly labeled water...
  42. pmc Couch potatoes to jumping beans: a pilot study of the effect of active video games on physical activity in children
    Cliona Ni Mhurchu
    Clinical Trials Research Unit, University of Auckland, Auckland, New Zealand
    Int J Behav Nutr Phys Act 5:8. 2008
    ..Further research is needed to confirm if playing these games over a longer period of time could also have positive effects on children's body weight and body mass index...
  43. doi request reprint Overweight among New Zealand adolescents: associations with ethnicity and deprivation
    Jennifer Utter
    Epidemiology and Biostatistics, School of Population Health, University of Auckland, Auckland, New Zealand
    Int J Pediatr Obes 5:461-6. 2010
    ....
  44. doi request reprint Wearable cameras can reduce dietary under-reporting: doubly labelled water validation of a camera-assisted 24 h recall
    Luke Gemming
    National Institute for Health Innovation, University of Auckland, School of Population Health, Private Bag 92019, Auckland Mail Centre, Auckland1142, New Zealand
    Br J Nutr 113:284-91. 2015
    ..Wearable cameras enhance the accuracy of self-report by providing passive and objective information regarding dietary intake. High-definition image sensors and increased imaging frequency may improve the accuracy further. ..
  45. doi request reprint Effects of exercise on the desire to smoke and physiological responses to temporary smoking abstinence: a crossover trial
    Vaughan Roberts
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland, 1142, New Zealand
    Psychopharmacology (Berl) 232:1071-81. 2015
    ..Exercise has been shown to attenuate cigarette cravings during temporary smoking abstinence; however, the mechanisms of action are not clearly understood...
  46. doi request reprint Validating the multimedia activity recall for children and adolescents in a large New Zealand sample
    Ralph Maddison
    a National Institute for Health Innovation, University of Auckland, Auckland 1142, New Zealand
    J Sports Sci 32:470-8. 2014
    ..This was comparable to other self-report tools. The MARCA has utility for future large-scale research...
  47. doi request reprint Activity and energy expenditure in older people playing active video games
    Lynne M Taylor
    School of Rehabilitation and Occupation Studies, Faculty of Health and Environmental Sciences, AUT University, Auckland, New Zealand
    Arch Phys Med Rehabil 93:2281-6. 2012
    ..Tayl..
  48. pmc Effects of a free school breakfast programme on school attendance, achievement, psychosocial function, and nutrition: a stepped wedge cluster randomised trial
    Cliona Ni Mhurchu
    Clinical Trials Research Unit, School of Population Health, Faculty of Medicine and Health Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
    BMC Public Health 10:738. 2010
    ..The aim of the trial is to determine the effects of the breakfast intervention on school attendance, achievement, psychosocial function, dietary habits and food security...
  49. ncbi request reprint Understanding exercise behavior among New Zealand adolescents: a test of the transtheoretical
    Harry Prapavessis
    Department of Sport and Exercise Science, University of Auckland, Auckland, New Zealand
    J Adolesc Health 35:346.e17-27. 2004
    ..The purpose of Study 1 was a replication study to examine whether the TTM could predict exercise stage readiness in adolescents. The purpose of Study 2 was to test the model's internal validity to predict exercise stage transition...
  50. ncbi request reprint Comparison of two modes of delivery of an exercise prescription scheme
    Louise Foley
    Clinical Trials Research Unit, University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand
    N Z Med J 124:44-54. 2011
    ..A second mode offered community support via weekly face-to-face support group meetings in which physical activities were offered...
  51. pmc Cardiovascular Disease Self-Management: Pilot Testing of an mHealth Healthy Eating Program
    Leila Pfaeffli Dale
    National Institute for Health Innovation, University of Auckland, Private Bag 92019, Auckland Mail Center, Auckland 1142, New Zealand
    J Pers Med 4:88-101. 2014
    ..This paper presents two development studies to determine mobile phone usage in adults with CVD and to evaluate the acceptability of an mHealth healthy eating CR program...
  52. pmc Remotely Delivered Exercise-Based Cardiac Rehabilitation: Design and Content Development of a Novel mHealth Platform
    Jonathan C Rawstorn
    National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
    JMIR Mhealth Uhealth 4:e57. 2016
    ..Mobile health (mHealth) technologies can overcome these barriers while preserving critical attributes of center-based exCR monitoring and coaching, but these opportunities have not yet been capitalized on...
  53. doi request reprint The effectiveness of mobile-health behaviour change interventions for cardiovascular disease self-management: A systematic review
    Leila Pfaeffli Dale
    National Institute for Health Innovation, University of Auckland, New Zealand
    Eur J Prev Cardiol 23:801-17. 2016
    ..This systematic review aimed to determine the effectiveness of mHealth interventions on behavioural lifestyle changes and medication adherence for cardiovascular disease self-management...
  54. doi request reprint Telehealth exercise-based cardiac rehabilitation: a systematic review and meta-analysis
    Jonathan C Rawstorn
    National Institute for Health Innovation, University of Auckland, Auckland, New Zealand Department of Exercise Sciences, The University of Auckland, Auckland, New Zealand
    Heart 102:1183-92. 2016
    ..This meta-analysis aimed to determine the benefits of telehealth exCR on exercise capacity and other modifiable cardiovascular risk factors compared with traditional exCR and usual care, among patients with coronary heart disease (CHD)...
  55. pmc Smartphone apps to improve fitness and increase physical activity among young people: protocol of the Apps for IMproving FITness (AIMFIT) randomized controlled trial
    Artur Direito
    National Institute for Health Innovation, University of Auckland, 261 Morrin Road, Auckland, 1072, New Zealand
    BMC Public Health 15:635. 2015
    ..The primary aim of the Apps for IMproving FITness (AIMFIT) trial is to evaluate the effectiveness of two popular "off-the-shelf" smartphone apps for improving cardiorespiratory fitness in young people...
  56. pmc Apps for IMproving FITness and Increasing Physical Activity Among Young People: The AIMFIT Pragmatic Randomized Controlled Trial
    Artur Direito
    Faculty of Medical and Health Sciences, National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
    J Med Internet Res 17:e210. 2015
    ..Mobile phone interventions that positively affect health (mHealth) show promise; however, their impact on PA levels and fitness in young people is unclear and little is known about what makes a good mHealth app...
  57. doi request reprint Modern screen-use behaviors: the effects of single- and multi-screen use on energy intake
    Samantha Marsh
    National Institute for Health Innovation, School of Population Health, University of Auckland, Auckland, New Zealand Electronic address
    J Adolesc Health 56:543-9. 2015
    ..The effects of using multiple screens at once on energy intake (EI) are unknown. This study compared EI of participants with access to multiple screens (television + iPad + smartphone) versus a single screen (television)...
  58. doi request reprint Validation of a body-worn accelerometer to measure activity patterns in octogenarians
    Lynne M Taylor
    National Institute for Health Innovation, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand Electronic address
    Arch Phys Med Rehabil 95:930-4. 2014
    ..To determine the validity of a triaxial body-worn accelerometer for detection of gait and postures in people aged >80 years...
  59. doi request reprint Comparative effects of TV watching, recreational computer use, and sedentary video game play on spontaneous energy intake in male children. A randomised crossover trial
    Samantha Marsh
    National Institute for Health Innovation, Auckland Mail Centre, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand Electronic address
    Appetite 77:13-8. 2014
    ..06), but not significantly different between the computer and VG conditions (-10; P = 0.87). TV watching was associated with greater EI compared with computer use, and a trend towards greater EI compared with VG play. ..
  60. pmc Improving coronary heart disease self-management using mobile technologies (Text4Heart): a randomised controlled trial protocol
    Leila Pfaeffli Dale
    National Institute for Health Innovation, University of Auckland, 261 Morrin Rd, Auckland 1072, New Zealand
    Trials 15:71. 2014
    ....
  61. ncbi request reprint mHealth Technologies to Influence Physical Activity and Sedentary Behaviors: Behavior Change Techniques, Systematic Review and Meta-Analysis of Randomized Controlled Trials
    Artur Direito
    National Institute for Health Innovation, School of Population Health, The University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland, 1142, New Zealand
    Ann Behav Med . 2016
    ..mHealth programs offer potential for practical and cost-effective delivery of interventions capable of reaching many individuals...
  62. ncbi request reprint Active Video Games for Improving Physical Performance Measures in Older People: A Meta-analysis
    Lynne M Taylor
    1National Institute for Health Innovation, The University of Auckland, Auckland, New Zealand 2Auckland University of Technology, Auckland, New Zealand 3General Practice and Primary Health Care, The University of Auckland, Auckland, New Zealand 4The University of Groningen, Groningen, The Netherlands
    J Geriatr Phys Ther . 2016
    ..This review systematically evaluated whether AVGs could improve measures of physical performance in older people. Secondary measures of safety, game appeal, and usability were also considered...
  63. doi request reprint Results from New Zealand's 2014 Report Card on Physical Activity for Children and Youth
    Ralph Maddison
    National Institute for Health Innovation, University of Auckland, New Zealand
    J Phys Act Health 11:S83-7. 2014
    ..The Report Card presents a review of current evidence across 9 key indicators, including physical activity (PA), organized sport and free play, sedentary behavior, and community and government initiatives across New Zealand...
  64. pmc Do physical activity and dietary smartphone applications incorporate evidence-based behaviour change techniques?
    Artur Direito
    National Institute for Health Innovation, University of Auckland, 261 Morrin Rd, Auckland 1072, New Zealand
    BMC Public Health 14:646. 2014
    ..The purpose of this study was to investigate the presence of BCTs in physical activity and dietary apps and determine how reliably the taxonomy checklist can be used to identify BCTs in smartphone apps...
  65. pmc Rapid directional change degrades GPS distance measurement validity during intermittent intensity running
    Jonathan C Rawstorn
    Exercise Metabolism Laboratory, Department of Sport and Exercise Science, The University of Auckland, Auckland, New Zealand
    PLoS ONE 9:e93693. 2014
    ..44%, LOA ± 453 m). Rapid directional change degrades the accuracy and absolute reliability of GPS distance measurement, and caution is recommended when using GPS to quantify rapid multidirectional movement patterns. ..
  66. doi request reprint Living longer by sitting less and moving more
    Ralph A H Stewart
    aGreen Lane Cardiovascular Service, Auckland City Hospital bNational Institute for Health Innovation, University of Auckland, Auckland, New Zealand
    Curr Opin Cardiol 30:551-7. 2015
    ..This review evaluates recent research on these associations and its implications for guidelines on physical activity...
  67. doi request reprint Validation of a computerized use of time recall for activity measurement in advanced-aged adults
    Casey Jordan Mace
    Dept of General Practice and Primary Care, University of Auckland, Auckland, New Zealand
    J Aging Phys Act 22:245-54. 2014
    ....