DO MOTHERS OVERESTIMATE BREAST-FEEDING DURATION - AN EXAMPLE OF RECALL BIAS FROM A STUDY IN SOUTHERN BRAZIL

被引:78
作者
HUTTLY, SRA
BARROS, FC
VICTORA, CG
BERIA, JU
VAUGHAN, JP
机构
[1] UNIV LONDON LONDON SCH HYG & TROP MED,CTR EVALUAT & PLANNING,LONDON WC1E 7HT,ENGLAND
[2] UNIV LONDON LONDON SCH HYG & TROP MED,MATERNAL & CHILD EPIDEMIOL UNIT,LONDON WC1E 7HT,ENGLAND
关键词
Breast feeding; Epidemiologic methods; Memory;
D O I
10.1093/oxfordjournals.aje.a115693
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
The problem of recall bias when reporting breast feeding duration is investigated. Data are presented from the follow-up of over 1,000 children from a birth cohort (1982) in southern Brazil, when they were on average 11, 23, and 47 months of age. Compared with the response given at 11 months of age, 24% of mothers misclassified the duration (grouped into 3-month categories) at age 23 months and 30% at age 47 months. Women who were richer and/or better educated were significantly more likely to report longer durations, while those poorer and less educated did not tend to misclassify more in one direction than in the other. © 1990 by The Johns Hopkins University School of Hygiene and Public Health.
引用
收藏
页码:572 / 575
页数:4
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