Misperceptions, inactivity and maternal factors may drive obesity among Barbadian adolescents

To describe (1) the prevalence of overweight and obesity and their association with physical activity; (2) the effect of different cut-off points for body mass index (BMI) on weight status categorisation; and (3) associations of weight status with perceptions of body size, health and diet quality. A...

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Vydáno v:	Public health nutrition Ročník 11; číslo 1; s. 41 - 48
Hlavní autoři:	Gaskin, Pamela S, Broome, Hedy, Alert, Colin, Fraser, Henry
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Cambridge, UK Cambridge University Press 2008
Témata:	Adolescent Adolescent Behavior Adolescent Behavior - psychology Adolescent obesity adolescents African-origin population Age groups anthropometric measurements Barbados Barbados - epidemiology Blacks Body composition Body Mass Index Body size boys Child Children & youth Cohort Studies Cross-Sectional Studies Cultural heritage Cut-off points diet disease prevalence Entrance examinations epidemiology Exercise Female Girls Health Status high school students Humans Linear Models Male maternal-fetal transfer middle school students Mothers nutritional adequacy Obesity Obesity - epidemiology Overweight Overweight - epidemiology Overweight - psychology Perceptions physical activity Physical education Physical fitness prediction Prevalence psychology Schools Secondary schools Self Concept Sex Distribution Students Teenagers Womens health Barbados Body mass index Adolescent obesity African-origin population Cut-off points
ISSN:	1368-9800, 1475-2727, 1475-2727
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Popis
Shrnutí:	To describe (1) the prevalence of overweight and obesity and their association with physical activity; (2) the effect of different cut-off points for body mass index (BMI) on weight status categorisation; and (3) associations of weight status with perceptions of body size, health and diet quality. A cross-sectional study. Secondary schools in Barbados. A cohort of 400 schoolchildren, 11-16 years old, selected to study physical education practices. Prevalence of overweight (15% boys; 17% girls) and obesity (7% boys; 12% girls) was high. Maternal obesity, as defined by the International Obesity Task Force (IOTF) BMI cut-off points, predicted weight status such that reporting an obese mother increased the odds of being overweight by 5.25 (95% confidence interval: 2.44, 11.31). Physical activity was inversely associated with weight status; however levels were low. Recreational physical activity was not associated with weight status in either category. Overweight subjects tended to misclassify themselves as normal weight and those who misclassified perceived themselves to be of similar health status to normal-weight subjects. The National Center for Health Statistics and IOTF BMI cut-off points produced different estimates of overweight and obesity. Our findings suggest that inadequate physical activity and ignorance related to food and appropriate body size are promoting high levels of adiposity with a strong contribution from maternal obesity, which may be explained by perinatal and other intergenerational effects acting on both sexes. Prevalence studies and local proxy tools for adiposity assessment are needed.
Bibliografie:	http://dx.doi.org/10.1017/S1368980007000195 ark:/67375/6GQ-239GGJJ7-T istex:C0DAC9EC895A18637384FD71879C2839F3168940 ArticleID:00019 PII:S1368980007000195 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Article-2 ObjectType-Feature-1 content type line 23
ISSN:	1368-9800 1475-2727 1475-2727
DOI:	10.1017/S1368980007000195