Season of birth and prevalence of overweight and obesity in Canada

Tremblay, 2002, Temporal trends in overweight and obesity in Canada, 1981–1996, Int J Obes, 26, 538, 10.1038/sj.ijo.0801923 Katzmarzyk, 2002, The Canadian obesity epidemic, 1985–1998, Can Med Assoc J, 166, 1039 World Health Organization. Obesity: preventing and measuring the global epidemic. Geneva: The Organization; 2000. Technical report series no 894. Available: http://www.who.int/healthinfo/statistics/indobeseadults/en/ (Accessed February 2007) Viner, 2006, Who changes body mass between adolescence and adulthood? Factors predicting change in BMI between 16 year and 30 years in the 1970 British Cohort, Int J Obes, 30, 1368, 10.1038/sj.ijo.0803183 Andersen, 1998, Relationship of physical activity and television watching with body weight and level of fatness among children, JAMA, 279, 938, 10.1001/jama.279.12.938 Willms, 2003, Geographic and demographic variation in the prevalence of overweight Canadian children, Obes Res, 11, 668, 10.1038/oby.2003.95 Macdonald, 1997, Canadian Heart Health Surveys Research Group. Obesity in Canada: a descriptive analysis, CMAJ, 157, s3 Prentice, 1995, Obesity in Britain: gluttony or sloth?, BMJ, 311, 437, 10.1136/bmj.311.7002.437 Segal, 2002, Twins and virtual twins: bases of relative body weight revisited, Int J Obes, 26, 437, 10.1038/sj.ijo.0801941 Dietz, 1994, Critical periods in childhood for the development of obesity, Am J Clin Nutr, 59, 955, 10.1093/ajcn/59.5.955 Torrey, 1997, Seasonality of births in schizophrenia and bipolar disorder: a review of the literature, Schizophr Res, 28, 1, 10.1016/S0920-9964(97)00092-3 Castrogiovanni, 1998, Season of birth in Psychiatry: A review, Neuropsychobiology, 37, 175, 10.1159/000026499 Torrey, 1996, Birth seasonality in bipolar disorder, schizophrenia, schizoaffective disorder and stillbirths, Schizophr Res, 21, 141, 10.1016/0920-9964(96)00022-9 Livingston, 1993, Season of birth and neurodevelopmental disorders: Summer births associated with dyslexia, J Am Acad Child Adolesc Psych, 32, 612, 10.1097/00004583-199305000-00018 McGrath, 2005, The association between birth weight, season of birth and latitude, Ann Hum Biol, 32, 547, 10.1080/03014460500154699 McGrath, 2005, Seasonal fluctuations in birth weight and neonatal limb length; does prenatal vitamin D influence neonatal size and shape?, Early Hum Dev, 81, 609, 10.1016/j.earlhumdev.2005.03.013 Wohlfahrt, 1998, Secular and seasonal variation of length and weight at birth, Lancet, 352, 1990, 10.1016/S0140-6736(05)61336-0 Rogers, 2003, The influence of birthweight and intrauterine environment on adiposity and fat distribution in later life, Int J Obes, 27, 755, 10.1038/sj.ijo.0802316 Berglund, 1967, A note on intelligence and season of birth, Br J Psychol, 58, 147, 10.1111/j.2044-8295.1967.tb01069.x Black, 1973, Season of birth and intelligence in a sample of learning-disabled children, J Genet Psychol, 123, 31, 10.1080/00221325.1973.10533185 Martindale, 1970, Season of birth and intelligence, J Genet Psychol, 117, 137, 10.1080/00221325.1970.10533943 Phillips, 2000, Birth weight, climate at birth and the risk of obesity in adult life, Int J Obes, 24, 281, 10.1038/sj.ijo.0801125 Hillman, 1972, Season of birth and relative body weight, Am J Clin Nutr, 25, 279, 10.1093/ajcn/25.3.279 Health Canada, 2003 Kuczmarski, 2000, CDC growth charts for the United States: Methods and development. National Center for Health Statistics, Vital Health Stat, 11, 2002 United States National Institutes of Health, 1998 Katzmarzyk, 2006, Prevalence of class I, II and III obesity in Canada, CMAJ, 174, 156, 10.1503/cmaj.050806 Statistics Canada, 2003 Statistics Canada, 2003 Keith, 2006, Putative contributors to the secular increase in obesity: exploring the roads less traveled, Int J Obes, 30, 1585, 10.1038/sj.ijo.0803326 Cole, 2000, Establishing a standard definition for child overweight and obesity worldwide: international survey, Br Med J, 320, 1, 10.1136/bmj.320.7244.1240 Eagles, 1995, Gender-specific changes since 1900 in the season-of-birth effect in schizophrenia, Br J Psychiatry, 167, 469, 10.1192/bjp.167.4.469 Andreyeva, 2004, Moderate and severe obesity have large differences in health care costs, Obes Res, 12, 1936, 10.1038/oby.2004.243 Levitan, 2006, A birth-season/DRD4 gene interaction predicts weight gain and obesity in women with season affective disorder: a seasonal thrifty hypothesis, Neuropsychopharmacology, 31, 2498, 10.1038/sj.npp.1301121 Wortsman, 2000, Decreased bioavailability of vitamin D in obesity, Am J Clin Nutr, 72, 690, 10.1093/ajcn/72.3.690 Hyppönen, 2006, Vitamin D status and glucose homeostasis in the 1958 British birth cohort, Diabetes Care, 29, 2244, 10.2337/dc06-0946 Rucker, 2002, Vitamin D insufficiency in a population of healthy western Canadians, Can Med Assoc J, 166, 1517 Ward, 2005, Vitamin D deficiency in the 21st century: a persistent problem among Canadian infants and mothers, Can Med Assoc J, 172, 769, 10.1503/cmaj.050177 Young, 1998, Effects of rearing temperature on body weight and abdominal fat in male and female rats, Am J Physiol, Regul Integr Comp Physiol, 274, 398, 10.1152/ajpregu.1998.274.2.R398 Eyles, 2003, Vitamin D3 and brain development, Neuroscience, 118, 641, 10.1016/S0306-4522(03)00040-X Weiler, 2005, Vitamin D deficiency and whole body and femur bone mass relative to weight in healthy newborns, CMAJ, 172, 757, 10.1503/cmaj.1040508 St-Pierre, 2004, Mode effects in the Canadian Community Health Survey: a Comparison of CAPI and CATI