Research Topics
| Ian JanssenSummaryCountry: Canada Publications
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Publications
Influence of physical activity on mortality in elderly with coronary artery diseaseIan Janssen
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Med Sci Sports Exerc 38:418-7. 2006....- Screen time and risk behaviors in 10- to 16-year-old Canadian youthValerie Carson
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
Prev Med 52:99-103. 2011..To examine television, computer, and video game use as possible determinants of multiple risk behaviors (MRB) among Canadian youth... - Association between muscle mass, leg strength, and fat mass with physical function in older adults: influence of age and sexDanielle R Bouchard
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
J Aging Health 23:313-28. 2011.... - Influences of body mass index and waist circumference on physical function in older persons with heart failureStephanie A Prince
Department of Community Health and Epidemiology, Queen s University, Ontario, Canada
Can J Cardiol 24:905-11. 2008..There is a lack of research concerning the associations between waist circumference (WC) or body mass index (BMI) and physical function in this population... - Abdominal obesity and physical inactivity are associated with erectile dysfunction independent of body mass indexPeter M Janiszewski
School of Kinesiology and Health Studies, Division of Endocrinology and Metabolism, Queen s University, Kingston, Ontario, Canada
J Sex Med 6:1990-8. 2009..Erectile dysfunction (ED) is common among men with an elevated body mass index (BMI). However, a high waist circumference (WC) and low levels of physical activity may predict ED independently of BMI... - Ability of physical activity to predict cardiovascular disease beyond commonly evaluated cardiometabolic risk factorsK Ashlee McGuire
Queen s University School of Kinesiology and Health Studies, Kingston, Ontario, Canada
Am J Cardiol 104:1522-6. 2009..In conclusion, PA was associated with CVD, independent of the common cardiometabolic risk factors, in men and women. The association between PA and CVD risk was not mediated by the measured cardiometabolic risk factors... - Influence of multiple risk behaviors on physical activity-related injuries in adolescentsIan Janssen
Department of Community Health and Epidemiology and School of Kinesiology and Health Studies, Queen s University, 69 Union St, Kingston, Ontario, Canada K7L 3N6
Pediatrics 119:e672-80. 2007.... - Dietary patterns and the risk of mortality: impact of cardiorespiratory fitnessMariane Héroux
Department of Community Health and Epidemiology, Queen s University, Kingston, ON, Canada
Int J Epidemiol 39:197-209. 2010..The primary objective was to assess the relation between dietary patterns with all-cause mortality, while controlling for the potentially confounding effects of fitness... - Are overweight and obese youth at increased risk for physical activity injuries?Joel Warsh
Department of Community Health and Epidemiology, Queen s University, Kingston, ON, Canada
Obes Facts 3:225-30. 2010..To determine whether relationships between physical activity and physical activity injuries are modified by BMI status in youth... - The importance of waist circumference in the definition of metabolic syndrome: prospective analyses of mortality in menPeter T Katzmarzyk
School of Physical and Health Education, Queen s University, Kingston, ON K7L 3N6, Canada
Diabetes Care 29:404-9. 2006.... - Development of age-specific adolescent metabolic syndrome criteria that are linked to the Adult Treatment Panel III and International Diabetes Federation criteriaCourtney J Jolliffe
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
J Am Coll Cardiol 49:891-8. 2007..The study objectives were to develop age-specific adolescent metabolic syndrome (MetS) criteria that were linked to the health-based Adult Treatment Panel III (ATP) and International Diabetes Federation (IDF) adult criteria... - Association between obesity and unintentional injury in older adultsDanielle R Bouchard
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
Obes Facts 3:363-9. 2010..To test the association between obesity and specific types and anatomical sites of unintentional injuries in older adults... - Street connectivity is negatively associated with physical activity in Canadian youthGraham Mecredy
Department of Community Health and Epidemiology, Queen s University, 99 University Avenue, Kingston, ON K7L 3N6, Canada
Int J Environ Res Public Health 8:3333-50. 2011..Relationships between street connectivity and physical activity reported in this national study are in the opposite direction to those previously observed for active transportation in adult populations... - Cardiorespiratory fitness and metabolic syndrome: US National Health and Nutrition Examination Survey 1999-2002Susan E Brien
School of Kinesiology and Health Studies, Queen s University, Kingston, ON K7L 3N6, Canada
Appl Physiol Nutr Metab 32:143-7. 2007..In men, the odds of MetS were significantly lower in moderate and high CRF categories versus the low CRF category, whereas in women there were no significant relationships between CRF and MetS... - Age-specific lipid and lipoprotein thresholds for adolescentsCourtney J Jolliffe
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
J Cardiovasc Nurs 23:56-60. 2008.... - Active transportation environments surrounding Canadian schoolsSean O'Loghlen
School of Medicine, Queen s University, Kingston, ON
Can J Public Health 102:364-8. 2011..secondary vs. mixed primary/secondary schools)... - Vascular risks and management of obesity in children and adolescentsCourtney J Jolliffe
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Vasc Health Risk Manag 2:171-87. 2006..While pharmacotherapy appears promising, additional evidence is needed, especially with respect to the long-term impact, before it becomes a widespread treatment option in the pediatric population... - Coffee, tea and their additives: association with BMI and waist circumferenceDanielle R Bouchard
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
Obes Facts 3:345-52. 2010..The purposes of this study were to perform a detailed analysis how: i) the frequency of coffee/tea consumption and ii) the use of additives in coffee/tea is associated with measures of total and abdominal obesity... - Do overweight and obese youth take longer to recover from injury?Joel Warsh
Departments of Community Health and Epidemiology, Emergency Medicine and School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Int J Inj Contr Saf Promot 18:143-9. 2011..If these findings are confirmed in other settings, clinicians providing an injury recovery prognosis may need to take into account BMI status and allow for extra recovery time for patients in this age range... - Dose-response relation between physical activity and blood pressure in youthAmy E Mark
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Med Sci Sports Exerc 40:1007-12. 2008..The dose-response relationship between physical activity (PA) and cardiovascular health in children and adolescents is unclear. Blood pressure (BP) is a practical and useful measure of cardiovascular health in youth... - Relationship between screen time and metabolic syndrome in adolescentsAmy E Mark
School of Kinesiology and Health Studies, Queen s University, 69 Union Street, Kingston, Ontario, Canada
J Public Health (Oxf) 30:153-60. 2008..The primary objective was to determine the dose-response relation between screen time (television + computer) and the metabolic syndrome (MetS) in adolescents... - Physical activity guidelines and guides for Canadians: facts and futureMark S Tremblay
Children s Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
Can J Public Health 98:S218-24. 2007..Recommendations on how to proceed are based on the evidence base provided by this series of papers; the immediate next steps mandated by this initiative are outlined and priorities for future research are indicated... - Dynapenic-obesity and physical function in older adultsDanielle R Bouchard
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
J Gerontol A Biol Sci Med Sci 65:71-7. 2010..It was hypothesized that older individuals with both conditions (dynapenic-obesity) would have a more impaired physical function than individuals with dynapenia or obesity alone... - Effect of current and midlife obesity status on mortality risk in the elderlyIan Janssen
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Obesity (Silver Spring) 16:2504-9. 2008..Conversely, nonobese older adults who were obese at midlife had an increased mortality risk. These observations imply that it is imperative to consider an elderly adult's BMI in context of their BMI at midlife... - Effect of menopause on the chemical control of breathing and its relationship with acid-base statusMegan E Preston
Dept of Physiology, Kingston, ON, Canada
Am J Physiol Regul Integr Comp Physiol 296:R722-7. 2009.... - Association between the food retail environment surrounding schools and overweight in Canadian youthLaura M Seliske
Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
Public Health Nutr 12:1384-91. 2009..There is growing interest in how the physical environment influences obesity. Few studies have considered how the food retail environment surrounding schools influences overweight in students... - Urban and rural differences in sedentary behavior among American and Canadian youthValerie Carson
School of Kinesiology and Health Studies, 28 Division St, Queen s University, Kingston, ON, Canada K7L 3N6
Health Place 17:920-8. 2011..These findings suggest that interventions aiming to reduce screen time may be most effective if they consider residential location and the specific screen time behavior... - Influence of physical activity on age-related weight loss in the elderlyWendy C Stephen
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
J Phys Act Health 7:78-86. 2010..Little is known about the effects of physical activity on weight loss in older adults... - The epidemiology of sarcopeniaIan Janssen
School of Kinesiology and Health Studies, Department of Community Health and Epidemiology, Queen s University, Kingston, ON, Canada
Clin Geriatr Med 27:355-63. 2011..The availability of a consensus definition may assist with the integration of sarcopenia into mainstream geriatric assessment... - Physical activity, sedentary behavior, and melatonin among rotating shift nursesMark McPherson
Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
J Occup Environ Med 53:716-21. 2011..To determine the effect of physical activity and sedentary behavior on melatonin levels in a group of rotating shift nurses... - Rural Canadian adolescents are more likely to be obese compared with urban adolescentsMark W Bruner
School of Kinesiology and Health Studies, Queen s University, ON, Canada
Int J Pediatr Obes 3:205-11. 2008..The purpose of this study was to investigate the association between urban/rural geographic status and being overweight or obese among Canadian adolescents... - Morbidity and mortality risk associated with an overweight BMI in older men and womenIan Janssen
School of Kinesiology and Health Studies, Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada, K7L 3N6
Obesity (Silver Spring) 15:1827-40. 2007..9 kg/m2) are at increased health risk and whether they should be encouraged to lose weight. The purpose of this study was to determine whether older adults with a BMI in the overweight range are at increased morbidity and mortality risk... - Risk taking and recurrent health symptoms in Canadian adolescentsKelly Simpson
Department of Community Health and Epidemiology, Queen's University, Angada 3, 76 Stuart St, Kingston General Hospital, Kingston, Ontario, Canada K7L 2V7
Prev Med 43:46-51. 2006..CONCLUSION: Adolescent lifestyles that include risk-taking behavior are strongly associated with the occurrence of psychosomatic health symptoms. Collectively, these measures are useful clinical indicators of adolescent health status... - Cardiorespiratory fitness is strongly related to the metabolic syndrome in adolescentsIan Janssen
School of Kinesiology and Health Studies, Queen's University, 69 Union St, Kingston, Ontario, Canada, K7L 3N6
Diabetes Care 30:2143-4. 2007 - The Cooper Clinic Mortality Risk Index: clinical score sheet for menIan Janssen
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Am J Prev Med 29:194-203. 2005..This score sheet may help healthcare practitioners identify high-risk patients who might benefit from lifestyle modification, pharmacologic therapy, or other interventions... - Evolution of sarcopenia researchIan Janssen
School of Kinesiology and Health Studies, and Department of Community Health and Epidemiology, Queen s University, Kingston, ON K7L 3N6, Canada
Appl Physiol Nutr Metab 35:707-12. 2010..e., sarcopenic-obesity and dynapenic-obesity) on physical function, chronic disease, and mortality risk... - Dose-response relationship between physical activity and dyslipidemia in youthAllana G LeBlanc
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Can J Cardiol 26:201-5. 2010..The minimal and optimal amount of physical activity associated with cardiovascular health benefits in young people is unknown... - Associations between school recreational environments and physical activityMarianne E Nichol
Department of Community Health and Epidemiology, Queen s University, Kingston, ON, Canada
J Sch Health 79:247-54. 2009..School environments may promote or hinder physical activity in young people. The purpose of this research was to examine relationships between school recreational environments and adolescent physical activity... - Does waist circumference predict diabetes and cardiovascular disease beyond commonly evaluated cardiometabolic risk factors?Peter M Janiszewski
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada, K7L 3N6
Diabetes Care 30:3105-9. 2007..In response, we sought to determine whether WC predicts diabetes and cardiovascular disease (CVD) beyond that explained by BMI and commonly obtained cardiometabolic risk factors including blood pressure, lipoproteins, and glucose... - Influence of bouts of physical activity on overweight in youthAmy E Mark
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Am J Prev Med 36:416-21. 2009..It is unknown whether bouts of physical activity confer benefits beyond the total volume of physical activity. It was hypothesize that bouts of physical activity would independently predict overweight in youth... - Difference between self-reported and accelerometer measured moderate-to-vigorous physical activity in youthAllana G W LeBlanc
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Pediatr Exerc Sci 22:523-34. 2010..The difference between self-reported and objective measures was not influenced by sex, age, or race. There was, however, a systematic difference such that inactive participants over-reported their MVPA to the greatest extent... - Volume, patterns, and types of sedentary behavior and cardio-metabolic health in children and adolescents: a cross-sectional studyValerie Carson
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
BMC Public Health 11:274. 2011..Therefore, the objective was to examine the independent associations between volume, patterns, and types of sedentary behavior with cardio-metabolic risk factors among children and adolescents... - Distribution of lipoproteins by age and gender in adolescentsCourtney J Jolliffe
School of Kinesiology and Health Studies, Queen's University, Kingston, Ontario, Canada
Circulation 114:1056-62. 2006..This new classification system should provide a more accurate diagnosis of high-risk lipoprotein levels and associated cardiovascular risks in adolescents... - Body mass index is inversely related to mortality in older people after adjustment for waist circumferenceIan Janssen
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
J Am Geriatr Soc 53:2112-8. 2005..To examine the individual and combined influence of body mass index (BMI) and waist circumference (WC) on mortality risk in older people... - Associations between neighborhood safety, availability of recreational facilities, and adolescent physical activity among Canadian youthMarianne Nichol
Dept of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
J Phys Act Health 7:442-50. 2010..The safety of neighborhoods and availability of parks and facilities may influence adolescent physical activity independently or interactively... - [Guidelines for physical activity in children and young people]Ian Janssen
Ecole de kinésiologie et d études en santé, Département de santé communautaire et d épidémiologie, Université Queen s, Kingston, ON K7L 3N6, Canada
Appl Physiol Nutr Metab 32:S122-35. 2007..The final section identifies future research needs. In this section, a need is noted for comprehensive dose-response studies of physical activity and health in the paediatric age group... - Ventilatory control and acid-base regulation across the menstrual cycle in oral contraceptive usersLindsay Nettlefold
School of Kinesiology and Health Studies, Queen s University, Kingston, Ont, Canada K7L 3N6
Respir Physiol Neurobiol 158:51-8. 2007..This may reflect suppression of endogenous fluctuations in circulating [P(4)] typically observed across the MC in healthy, eumenorrheic non-OC users... - Influence of movement intensity and physical activity on adiposity in youthAmy E Mark
School of Kinesiology and Health Studies, Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
J Phys Act Health 8:164-73. 2011..Therefore, the purpose of this study was to explore the independent effects of physical activity intensity and incidental movement on total and trunk adiposity... - Influence of individual- and area-level measures of socioeconomic status on obesity, unhealthy eating, and physical inactivity in Canadian adolescentsIan Janssen
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Am J Clin Nutr 83:139-45. 2006..However, few studies have used a multilevel analysis to determine the influence of both individual- and area-level determinants of SES on obesity, and these studies have been limited to adults... - Obesity and its relationship with occupational injury in the canadian workforceIan Janssen
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada K7L 3N6
J Obes 2011:531403. 2011..Increased risks were not identified for overweight workers. Conclusions. Obese workers experienced 40-49% higher risks for occupational injury... - Physical activity guidelines for children and youthIan Janssen
School of Kinesiology and Health Studies, Department of Community Health, and Epidemiology, Queen s University, Kingston, Ontario, Canada
Can J Public Health 98:S109-21. 2007..The final section identifies future research needs. In this section, a need is noted for comprehensive dose-response studies of physical activity and health in the paediatric age group... - Does the fractionalization of daily physical activity (sporadic vs. bouts) impact cardiometabolic risk factors in children and youth?Rebecca M Holman
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
PLoS ONE 6:e25733. 2011..The study objective was to determine, within children and youth, whether MVPA accumulated in bouts is more strongly associated with cardiometabolic risk factors than an equivalent volume of MVPA accumulated sporadically... - Obesity as a determinant of two forms of bullying in Ontario youth: a short reportAtif Kukaswadia
Department of Community Health and Epidemiology, Queen s University, Kingston, ON, Canada
Obes Facts 4:469-72. 2011..Here, we examine such relationships in a longitudinal analysis. Study outcomes were self-reports of: i) physical bullying victimization and perpetration and ii) relational bullying victimization and perpetration... - Revised Adult Treatment Panel III guidelines and cardiovascular disease mortality in men attending a preventive medical clinicChris I Ardern
School of Physical and Health Education, Queen's University, Kingston, Ontario, K7L 3N6, Canada
Circulation 112:1478-85. 2005..Furthermore, men who were physically fit or who did not have the metabolic syndrome had a lower risk of CVD mortality... - Influence of sarcopenia on the development of physical disability: the Cardiovascular Health StudyIan Janssen
School of Physical and Health Education and Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
J Am Geriatr Soc 54:56-62. 2006..To examine the temporal relationship between sarcopenia and disability in elderly men and women... - Systematic review of the health benefits of physical activity and fitness in school-aged children and youthIan Janssen
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Int J Behav Nutr Phys Act 7:40. 2010..abstract:.. - Overweight and obesity in Canadian adolescents and their associations with dietary habits and physical activity patternsIan Janssen
Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
J Adolesc Health 35:360-7. 2004..To present recent overweight and obesity prevalence rates for 11-16-year-old Canadian youth and to examine associations between overweight and obesity with dietary habits and leisure-time physical activities... - Effects of an energy-restrictive diet with or without exercise on abdominal fat, intermuscular fat, and metabolic risk factors in obese womenIan Janssen
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Diabetes Care 25:431-8. 2002..The improvement in the metabolic profile was not enhanced by the addition of aerobic or resistance exercise. The findings reinforce the importance of diminished visceral fat in the treatment of insulin resistance... - Fitness alters the associations of BMI and waist circumference with total and abdominal fatIan Janssen
Department of Community Health and Epidemiology, Division of Endocrinology and Metabolism, Queen's University, Kingston, Ontario, Canada
Obes Res 12:525-37. 2004..DISCUSSION: These findings suggest that a reduction in total adiposity and abdominal fat may be a means by which CRF attenuates the health risk attributable to obesity as determined by BMI and WC... - Exercise-induced reduction in obesity and insulin resistance in women: a randomized controlled trialRobert Ross
School of Physical and Health Education, Department of Medicine, Division of Endocrinology and Metabolism, Queen s University, Kingston, Ontario, Canada
Obes Res 12:789-98. 2004..To determine the effects of equivalent diet- or exercise-induced weight loss and exercise without weight loss on subcutaneous fat, visceral fat, and insulin sensitivity in obese women... - Race and sex similarities in exercise-induced changes in blood lipids and fatnessChris I Ardern
School of Physical and Health Education, Department of Community Health and Epidemiology, Queen's University, Kingston, ON, Canada
Med Sci Sports Exerc 36:1610-5. 2004..CONCLUSION: The multivariate associations among fat loss and changes in blood lipids consequent to aerobic exercise training are similar in black and white men and women... - Sarcopenic obesity predicts instrumental activities of daily living disability in the elderlyRichard N Baumgartner
Aging and Genetic Epidemiology Program, Division of Epidemiology and Preventive Medicine, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico 87131, USA
Obes Res 12:1995-2004. 2004..To determine the association of sarcopenic obesity with the onset of Instrumental Activities of Daily Living (IADL) disability in a cohort of 451 elderly men and women followed for up to 8 years...