Waist-Hip Ratio Analysis

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1) What question does this article seek to answer?
Should the waist-hip ratio (WHR) be able to predict cognitive ability in women and their offspring?
Is the cognitive ability of teenage mothers compromised as a result of having to compete for these resources with their children?
2) By what method(s) did the authors seek an answer?
The author sought this answer by using anthropometric, demographic, and cognitive data from the Third National Health and Nutrition Examination Survey (NHANES III). The anthropometric data includes, waist and hip circumferences, WHR, BMI, and total body fat. The sociodemographic data included years of education, race/ethnicity, and family income. Since other factors affect cognitive ability, Lassek and Gaulin also created a multiple linear regression graph to control for race/ethnicity, family income, and other such predictors. Finally Lassek and Gaulin compared the cognitive performance of teen mothers with high and low WHRs on the assumption that restricting the sample to teen mothers would provide good socioeconomic controls as well as receive different results because …show more content…
In regards to WHR relating to a woman's own cognitive ability; adolescent and adult women with lower WHRs have higher cognitive abilities than those with higher WHRs. For the test on mother-child competition they reported children with teenage mothers had significantly lower test scores than those with later births, even with the same controlled variables as used before. Additionally, these teens moms were still affected by increasing WHR as it correlated to lower child test scores; it is seen that teen mothers who maintain lower WHRs appear to have sufficient resources to support the cognitive development of their children, even while they continue to grow
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