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6-n-Propylthiouracil sensitivity and obesity status among ethnically diverse children

  • Janice C Baranowski (a1), Tom Baranowski (a1), Alicia Beltran (a1), Kathy B Watson (a1), Russell Jago (a2), Margaret Callie (a1), Mariam Missaghian (a3) and Beverly J Tepper (a4)...
Abstract
AbstractObjective

To examine the relationship of 6-n-propylthiouracil (PROP) sensitivity to BMI while statistically controlling for demographic characteristics in two age groups of children: 9–10 years and 17–18 years (n 1551).

Design

Cross-sectional design with a multi-ethnic (White, African-American, Hispanic, Other) sample of 813 children aged 9–10 years and 738 children aged 17–18 years. Children were recruited from local elementary and high schools with at least 30 % minority ethnic enrolment. Children’s height, weight and waist circumference were measured along with their PROP taster status. PROP was measured using two paper discs, one impregnated with NaCl (1·0 mol/l) and the other with PROP solution (0·50 mmol/l).

Results

A significant PROP sensitivity by socio-economic status (SES) interaction term (P = 0·010) was detected wherein supertasters had the largest BMI percentile and Z-score, but only among the group with highest SES.

Conclusions

The results suggest that other factors overwhelmed the influence of PROP sensitivity on adiposity in lower-SES groups. The percentage of variance accounted for by the interaction term was about 1 %. Thus, PROP supertasters had the largest BMI percentile and Z-score, but only among the highest-SES group.

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Copyright
Corresponding author
*Corresponding author: Email jbaranow@bcm.tmc.edu
References
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Public Health Nutrition
  • ISSN: 1368-9800
  • EISSN: 1475-2727
  • URL: /core/journals/public-health-nutrition
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