A practical method for collecting 3-day food records in a large cohort

被引:51
作者
Kolar, AS
Patterson, RE
White, E
Neuhouser, ML
Frank, LL
Standley, J
Potter, JD
Kristal, AIR
机构
[1] Fred Hutchinson Canc Res Ctr, Canc Prevent Program, Seattle, WA 98109 USA
[2] Univ Washington, Sch Publ Hlth & Community Med, Dept Epidemiol, Seattle, WA 98195 USA
关键词
D O I
10.1097/01.ede.0000165363.27323.ac
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background: Recent studies suggest that diet records are more valid measures of nutrient intake than are food-frequency question- risk of reproductive tract abnormalities in their offspring. Dutch investigators have reported a 20-fold increase in risk of hypospadias among sons of women who were exposed to DES in utero. We assessed this relation in data from an ongoing study of DES-exposed persons. Methods: Several U.S. cohorts of women with documented exposure in utero to DES have been followed by mailed questionnaires since the 1970s. Comparison subjects are unexposed women of the same ages. In 1997, participants were asked about congenital abnormalities in their children. We calculated prevalence odds ratios for the risk of hypospadias in sons of exposed mothers relative to sons of unexposed mothers using generalized estimating equations to adjust for multiple sons per mother and controlling for maternal age at the son's birth. Results: We obtained data from 3916 exposed and 1746 unexposed women. These women reported a total of 13 liveborn sons with hypospadias (10 exposed, 3 unexposed). The prevalence odds ratio for risk of hypospadias among the exposed was 1.7 (95% confidence interval = 0.4-6.8). Conclusions: Our findings do not support a greatly increased risk of hypospadias among the sons of women exposed to DES in utero, as has been previously reported.
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页码:579 / 583
页数:5
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