S A Norris

Summary

Affiliation: University of the Witwatersrand
Country: South Africa

Publications

  1. doi request reprint Designing feasible interventions for healthy pregnancies in low-resource settings
    Shane 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
  2. pmc The role of early life variables on the risk of fractures from birth to early adolescence: a prospective birth cohort study
    P C Hallal
    Post Graduate Program in Epidemiology, Federal University of Pelotas, ZIP 96030 002, Pelotas, Brazil
    Osteoporos Int 20:1873-9. 2009
  3. pmc Factors influencing enrollment: a case study from Birth to Twenty, the 1990 birth cohort in Soweto-Johannesburg
    Linda 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
  4. pmc The prevalence of stunting, overweight and obesity, and metabolic disease risk in rural South African children
    Elizabeth 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
  5. pmc Nutritional status and HIV in rural South African children
    Elizabeth 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
  6. ncbi request reprint Current socio-economic measures, and not those measured during infancy, affect bone mass in poor urban South african children
    Shane 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
  7. doi request reprint Implications of adopting the WHO 2006 Child Growth Standards: case study from urban South Africa, the Birth to Twenty cohort
    Shane 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
  8. ncbi request reprint Validation and application of dual-energy X-ray absorptiometry to measure bone mineral density in rabbit vertebrae
    S A Norris
    Department of Physiology, University of the Witwatersrand, South Africa
    J Clin Densitom 3:49-55. 2000
  9. pmc Size at birth, weight gain in infancy and childhood, and adult diabetes risk in five low- or middle-income country birth cohorts
    Shane 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
  10. ncbi request reprint Are there short cuts to pubertal assessments? Self-reported and assessed group differences in pubertal development in African adolescents
    Shane A Norris
    MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
    J Adolesc Health 42:259-65. 2008

Collaborators

Detail Information

Publications35

  1. doi request reprint Designing feasible interventions for healthy pregnancies in low-resource settings
    Shane 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
    ....
  2. pmc The role of early life variables on the risk of fractures from birth to early adolescence: a prospective birth cohort study
    P 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...
  3. pmc Factors influencing enrollment: a case study from Birth to Twenty, the 1990 birth cohort in Soweto-Johannesburg
    Linda 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...
  4. pmc The prevalence of stunting, overweight and obesity, and metabolic disease risk in rural South African children
    Elizabeth 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...
  5. pmc Nutritional status and HIV in rural South African children
    Elizabeth 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...
  6. ncbi request reprint Current socio-economic measures, and not those measured during infancy, affect bone mass in poor urban South african children
    Shane 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...
  7. doi request reprint Implications of adopting the WHO 2006 Child Growth Standards: case study from urban South Africa, the Birth to Twenty cohort
    Shane 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...
  8. ncbi request reprint Validation and application of dual-energy X-ray absorptiometry to measure bone mineral density in rabbit vertebrae
    S 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...
  9. pmc Size at birth, weight gain in infancy and childhood, and adult diabetes risk in five low- or middle-income country birth cohorts
    Shane 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...
  10. ncbi request reprint Are there short cuts to pubertal assessments? Self-reported and assessed group differences in pubertal development in African adolescents
    Shane 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...
  11. ncbi request reprint Calcium metabolism and bone mass in female rabbits during skeletal maturation: effects of dietary calcium intake
    S A Norris
    Department of Physiology, University of the Witwatersrand, Johannesburg, South Africa
    Bone 29:62-9. 2001
    ..0% Ca group of rabbits...
  12. pmc Bone mass accretion rates in pre- and early-pubertal South African black and white children in relation to habitual physical activity and dietary calcium intakes
    J 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...
  13. doi request reprint Bone mass and bone size in pre- or early pubertal 10-year-old black and white South African children and their parents
    L 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...
  14. ncbi request reprint Differences in bone size and bone mass between black and white 10-year-old South African children
    L Vidulich
    MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
    Osteoporos Int 17:433-40. 2006
    ....
  15. doi request reprint Comparison of site-specific bone mass indices in South African children of different ethnic groups
    L 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...
  16. ncbi request reprint The relationship between socio-economic status and physical activity patterns in South African children
    J A McVeigh
    MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of Witwatersrand, South Africa
    Acta Paediatr 93:982-8. 2004
    ....
  17. pmc Fracture rates in urban South African children of different ethnic origins: the Birth to Twenty cohort
    K 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...
  18. ncbi request reprint The association between body composition, 25(OH)D, and PTH and bone mineral density in black African and Asian Indian population groups
    Jaya A George
    Department of Chemical Pathology J G, N J C, National Health Laboratory Service and University of the Witwatersrand, and Medical Research Council Wits Developmental Pathways for Health Research Unit L K M, S A N, Department of Paediatrics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 2193, South Africa
    J Clin Endocrinol Metab 99:2146-54. 2014
    ..We therefore studied the contribution of body composition, and possible confounding of 25-hydroxyvitamin D and PTH, to BMD at various skeletal sites in black African (BA) and Asian Indian (AI) subjects...
  19. ncbi request reprint Associations between physical activity and bone mass in black and white South African children at age 9 yr
    J A McVeigh
    Medical Research Council Mineral Metabolism Research Unit, University of the Witwatersrand, Parktown, Gauteng 2193, South Africa
    J Appl Physiol (1985) 97:1006-12. 2004
    ....
  20. pmc Fracture patterns and bone mass in South African adolescent-mother pairs: the Birth to Twenty cohort
    K Thandrayen
    MRC Wits Developmental Pathways for Health Research Unit, Department of Paediatrics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
    Osteoporos Int 25:693-700. 2014
    ..Maternal bone mass has a significant inverse association with their adolescents' fracture rates and bone mass across all ethnic groups...
  21. ncbi request reprint Effect of ethnicity and sex on the growth of the axial and appendicular skeleton of children living in a developing country
    Lukhanyo 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...
  22. ncbi request reprint Infant programming of bone size and bone mass in 10-year-old black and white South African children
    Linda Vidulich
    MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand, Johannesburg, South Africa
    Paediatr Perinat Epidemiol 21:354-62. 2007
    ....
  23. ncbi request reprint Association between infant nutrition and anthropometry, and pre-pubertal body composition in urban South African children
    J Kagura
    1 MRC Wits Developmental Pathways of Health Research Unit, Department of Paediatrics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
    J Dev Orig Health Dis 3:415-23. 2012
    ..Further studies are needed to assess whether these associations continue during adolescence as pubertal development may be an important modifier of these associations. ..
  24. pmc 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) Study
    Titilola 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
    ....
  25. doi request reprint Prenatal and adolescent blood lead levels in South Africa: child, maternal and household risk factors in the Birth to Twenty cohort
    Nisha 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...
  26. ncbi request reprint Lead exposure is associated with a delay in the onset of puberty in South African adolescent females: findings from the Birth to Twenty cohort
    Nisha 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...
  27. pmc 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) Study
    Jennifer M MacKeown
    MRC Health and Development Research Group, PO Box 87373, Houghton, 2041, Johannesburg, South Africa
    Public Health Nutr 10:635-43. 2007
    ....
  28. doi request reprint Influence of catch-up growth on glucose tolerance and beta-cell function in 7-year-old children: results from the birth to twenty study
    Nigel 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...
  29. ncbi request reprint Comparisons of body size, composition, and whole body bone mass between North American and South African children
    Lisa 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...
  30. ncbi request reprint Regression equations to estimate percentage body fat in African prepubertal children aged 9 y
    Noel 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...
  31. pmc Transition from Birth to Ten to Birth to Twenty: the South African cohort reaches 13 years of age
    Linda 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
    ....
  32. ncbi request reprint Stunting at 2 years in relation to body composition at 9 years in African urban children
    Noel 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...
  33. pmc 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...
  34. pmc Health and social scientists need to weigh in
    Nina S Lewin
    S Afr Med J 97:392. 2007
  35. pmc The silent truth of teenage pregnancies--Birth to Twenty cohort's next generation
    Linda M Richter
    S Afr Med J 96:122, 124. 2006