Research Topics
| S A NorrisSummaryAffiliation: University of the Witwatersrand Country: South Africa Publications
| Collaborators
|
Detail Information
Publications
Designing feasible interventions for healthy pregnancies in low-resource settingsShane A Norris
MRC Wits Developmental Pathways for Health Research Unit, Department of Pediatrics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Int J Gynaecol Obstet 115:S37-40. 2011....
The role of early life variables on the risk of fractures from birth to early adolescence: a prospective birth cohort studyP C Hallal
Post Graduate Program in Epidemiology, Federal University of Pelotas, ZIP 96030 002, Pelotas, Brazil
Osteoporos Int 20:1873-9. 2009..The incidence was 14.2% (95%CI 13.2, 15.2). Male sex, birth length, and maternal age at delivery were positively associated with the risk of fractures...- Factors influencing enrollment: a case study from Birth to Twenty, the 1990 birth cohort in Soweto-JohannesburgLinda M Richter
Child Youth Family and Social Development, Human Sciences Research Council, Private Bag X07, Dalbridge 4014, South Africa
Eval Program Plann 32:197-203. 2009..Longitudinal studies in the developing country context must be mindful of the political, social and economic climate that influences enrollment and ongoing cohort maintenance... - The prevalence of stunting, overweight and obesity, and metabolic disease risk in rural South African childrenElizabeth W Kimani-Murage
MRC Wits Rural Public Health and Health Transitions Research Unit Agincourt, School of Public Health, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
BMC Public Health 10:158. 2010..This study aimed to investigate the prevalence and patterns of stunting and overweight/obesity, and hence risk for metabolic disease, in a group of children and adolescents in rural South Africa... - Nutritional status and HIV in rural South African childrenElizabeth W Kimani-Murage
MRC Wits Rural Public Health and Health Transitions Research Unit Agincourt, School of Public Health, Faculty of Health Sciences, University of Witwatersrand, South Africa
BMC Pediatr 11:23. 2011..This study describes HIV prevalence in children, patterns of malnutrition by HIV status and determinants of nutritional status... - Are there short cuts to pubertal assessments? Self-reported and assessed group differences in pubertal development in African adolescentsShane A Norris
MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
J Adolesc Health 42:259-65. 2008..The objective of this study was to assess the reliability of the PDS for the first time among urban, Black South African youth... - Current socio-economic measures, and not those measured during infancy, affect bone mass in poor urban South african childrenShane A Norris
Department of Paediatrics, MRC Mineral Metabolism Research Unit, University of the Witwatersrand, Johannesburg, South Africa
J Bone Miner Res 23:1409-16. 2008..SES has a significant independent effect on whole body BMC through its impact on BA. This suggests that poverty alleviation policies in South Africa could have a positive effect on bone health... - Implications of adopting the WHO 2006 Child Growth Standards: case study from urban South Africa, the Birth to Twenty cohortShane A Norris
MRC Mineral Metabolism Research Unit, Paediatrics, University of Witwatersrand and Chris Hani Baragwanath Hospital, Johannesburg, South Africa
Ann Hum Biol 36:21-7. 2009..The World Health Organization (WHO) recently developed growth standards to overcome the limitations of previous references... 
Validation and application of dual-energy X-ray absorptiometry to measure bone mineral density in rabbit vertebraeS A Norris
Department of Physiology, University of the Witwatersrand, South Africa
J Clin Densitom 3:49-55. 2000..67-0.90,j <0.01-0.0001). Therefore, the QDR-4500 can be used to yield precise and accurate measurements of the rabbit spine...- Size at birth, weight gain in infancy and childhood, and adult diabetes risk in five low- or middle-income country birth cohortsShane A Norris
Medical Research Council Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Diabetes Care 35:72-9. 2012..We examined associations of birth weight and weight gain in infancy and early childhood with type 2 diabetes (DM) risk in five cohorts from low- and middle-income countries... - Calcium metabolism and bone mass in female rabbits during skeletal maturation: effects of dietary calcium intakeS A Norris
Department of Physiology, University of the Witwatersrand, Johannesburg, South Africa
Bone 29:62-9. 2001..0% Ca group of rabbits... - Bone mass accretion rates in pre- and early-pubertal South African black and white children in relation to habitual physical activity and dietary calcium intakesJ A McVeigh
MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of Witwatersrand, South Africa
Acta Paediatr 96:874-80. 2007..To examine bone mass changes in 321 black and white South African children in relation to habitual physical activity (PA) levels and calcium intakes... - Bone mass and bone size in pre- or early pubertal 10-year-old black and white South African children and their parentsL Vidulich
MRC Mineral Metabolism Research Unit, Department of Paediatrics, Chris Hani Baragwanath Hospital, University of the Witwatersrand, Johannesburg, South Africa
Calcif Tissue Int 88:281-93. 2011..Heritability was comparable between environmentally disadvantaged black and advantaged white South African children and similar to that reported for Caucasians in other parts of the world... - Differences in bone size and bone mass between black and white 10-year-old South African childrenL Vidulich
MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
Osteoporos Int 17:433-40. 2006.... - Comparison of site-specific bone mass indices in South African children of different ethnic groupsL K Micklesfield
MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of Witwatersrand, Parktown, 2193 Johannesburg, South Africa
Calcif Tissue Int 85:317-25. 2009..In conclusion, this study suggests that, in addition to differences in BMC, differences in bone strength and geometry are present which might confer advantages to the bone of mixed-ancestry children... - The relationship between socio-economic status and physical activity patterns in South African childrenJ A McVeigh
MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of Witwatersrand, South Africa
Acta Paediatr 93:982-8. 2004.... - Fracture rates in urban South African children of different ethnic origins: the Birth to Twenty cohortK Thandrayen
MRC Mineral Metabolism Research Unit, Department of Paediatrics, Chris Hani Baragwanath Hospital, PO Bertsham, Johannesburg, 2013, South Africa
Osteoporos Int 20:47-52. 2009..More white children fracture than black and mixed ancestry children. Reasons for this may be due to greater sports participation by whites and genetic protective factors in blacks. This has to be further investigated... - Associations between physical activity and bone mass in black and white South African children at age 9 yrJ A McVeigh
Medical Research Council Mineral Metabolism Research Unit, University of the Witwatersrand, Parktown, Gauteng 2193, South Africa
J Appl Physiol 97:1006-12. 2004.... - Infant programming of bone size and bone mass in 10-year-old black and white South African childrenLinda Vidulich
MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
Paediatr Perinat Epidemiol 21:354-62. 2007.... - Effect of ethnicity and sex on the growth of the axial and appendicular skeleton of children living in a developing countryLukhanyo H Nyati
Medical Research Council Mineral Metabolism Research Unit, Department of Pediatrics and Child Health, Chris Hani Baragwanath Hospital, University of the Witwatersrand, Johannesburg, South Africa
Am J Phys Anthropol 130:135-41. 2006..In conclusion, there is a differential effect of ethnicity and sex on the growth of the axial and appendicular skeletons, and regional segment length is a better predictor of site-specific bone mass than stature... - Prenatal and adolescent blood lead levels in South Africa: child, maternal and household risk factors in the Birth to Twenty cohortNisha Naicker
Medical Research Council of South Africa, Environment and Health Research Unit, PO Box 87373, Houghton 2041, Johannesburg, South Africa
Environ Res 110:355-62. 2010..This study looks at child, maternal and household factors associated with increased risk of lead exposure at birth and at 13 years of age in the Birth to Twenty cohort... - Variety and total number of food items recorded by a true longitudinal group of urban black South African children at five interceptions between 1995 and 2003: the Birth-to-Twenty (Bt20) StudyTitilola M Pedro
MRC WITS Birth to Twenty Research Programme, Department of Paediatrics, University of the Witwatersrand Medical School, 7 York Road, Parktown, 2193, Johannesburg, South Africa
Public Health Nutr 11:616-23. 2008.... - Lead exposure is associated with a delay in the onset of puberty in South African adolescent females: findings from the Birth to Twenty cohortNisha Naicker
Medical Research Council of South Africa, Environment and Health Research Unit, PO Box 87373, Houghton, 2041, Johannesburg, South Africa
Sci Total Environ 408:4949-54. 2010..In South Africa blood lead levels are generally higher than in resource-rich countries. Thus the effects of lead exposure on pubertal development may be significant... - Energy, macro- and micronutrient intake among a true longitudinal group of South African adolescents at two interceptions (2000 and 2003): the Birth-to-Twenty (Bt20) StudyJennifer M MacKeown
MRC Health and Development Research Group, PO Box 87373, Houghton, 2041, Johannesburg, South Africa
Public Health Nutr 10:635-43. 2007.... - Influence of catch-up growth on glucose tolerance and beta-cell function in 7-year-old children: results from the birth to twenty studyNigel J Crowther
Department of Chemical Pathology, NHLS, University of Witwatersrand Medical School, 7 York Rd, Parktown 2193, Johannesburg, South Africa
Pediatrics 121:e1715-22. 2008..The aim of this study was to investigate the effect of catch-up growth occurring at different stages of childhood on glucose levels and beta-cell function at 7 years of age... - Comparisons of body size, composition, and whole body bone mass between North American and South African childrenLisa K Micklesfield
UCT MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, South Africa
J Bone Miner Res 22:1869-77. 2007..Our findings support the role of genetic and environmental influences in the determination of bone mass in prepubertal children... - Regression equations to estimate percentage body fat in African prepubertal children aged 9 yNoel Cameron
Department of Human Sciences, Loughborough University, United Kingdom
Am J Clin Nutr 80:70-5. 2004..These equations contain methodologic problems that could make them inappropriate for African children... - Transition from Birth to Ten to Birth to Twenty: the South African cohort reaches 13 years of ageLinda M Richter
Child, Youth and Family Development, Human Sciences Research Council and School of Psychology, University of Natal, Dalbridge, South Africa
Paediatr Perinat Epidemiol 18:290-301. 2004.... - Stunting at 2 years in relation to body composition at 9 years in African urban childrenNoel Cameron
Department of Human Sciences, Loughborough University, Loughborough LE11 3TU, United Kingdom
Obes Res 13:131-6. 2005..To determine whether African urban children who were stunted at 2 years of age demonstrated an altered body composition by the end of childhood, before entering puberty, at 9 years of age... - How well do adolescents determine portion sizes of foods and beverages?Nelia P Steyn
Chronic Diseases of Lifestyle Unit, Medical Research Council, Cape Town, 7505, South Africa
Asia Pac J Clin Nutr 15:35-42. 2006..It is recommended that in dietary interviews undertaken in black children in urban areas one could use either aid; while in white adolescents the use of the food models is recommended... - Health and social scientists need to weigh inNina S Lewin
S Afr Med J 97:392. 2007 - The silent truth of teenage pregnancies--Birth to Twenty cohort's next generationLinda M Richter
S Afr Med J 96:122, 124. 2006