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- Title
DO MOTHERS OVERESTIMATE BREAST FEEDING DURATION? AN EXAMPLE OF RECALL BIAS FROM A STUDY IN SOUTHERN BRAZIL.
- Authors
HUTTLY, SHARON R. A.; BARROS, FERNANDO C.; VICTORA, CESAR G.; BERIA, JORGE U.; VAUGHAN, J. PATRICK
- Abstract
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.
- Publication
American Journal of Epidemiology, 1990, Vol 132, Issue 3, p572
- ISSN
0002-9262
- Publication type
Article
- DOI
10.1093/oxfordjournals.aje.a115693