期刊
ANNALS OF EPIDEMIOLOGY
卷 21, 期 6, 页码 461-465出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.annepidem.2011.01.009
关键词
Menarche; African-American; Hispanic; Urban Population; Cosmetics; Endocrine Disruptors
资金
- Jean Sindab African-American Breast Cancer Project
PURPOSE: Previous studies suggest that hair products containing endocrine disrupting chemicals could alter puberty. We evaluated the association between childhood hair product use and age at menarche in a racially diverse study population. METHODS: We recruited 300 African-American, African-Caribbean, Hispanic, and white women from the New York City metropolitan area who were between 18-77 years of age. Data were collected retrospectively on hair oil, lotion, leave-in conditioner, perm, and other types of hair products used before age 13. Recalled age at menarche ranged from 8 to 19 years. We used multivariable binomial regression to evaluate the association between hair product use and age at menarche (< 12 vs. >= 12) adjusting for potential confounders. RESULTS: African-Americans were more likely to use hair products and reached menarche earlier than other racial/ethnic groups. Women reporting childhood hair oil use had a risk ratio of 1.4 (95% confidence interval [CI]: 1.1-1.9) for earlier menarche, adjusting for race/ethnicity and year of birth. Hair perm users had an increased risk for earlier menarche (adjusted risk ratio = 1.4, 95% CI: 1.1-1.8). Other types of hair products assessed in this study were not associated with earlier menarche. CONCLUSIONS: Childhood hair oil and perm use were associated with earlier menarche. If replicated, these results suggest that hair product use may be important to measure in evaluating earlier age at menarche. Ann Epidemiol 2011;21:461-465. (C) 2011 Elsevier Inc. All rights reserved.
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