| Titre : | Validity and reliability of subject and mother reporting of perinatal factors. (1998) |
| Auteurs : | M. SANDERSON ; J.R. DALING ; V.L. HOLT ; K.E. Malone ; D.E. MOORE ; S.G. SELF ; E. White ; M.A. Williams ; Department of Epidemiology. University of Washington. Seattle WA. USA ; Division of Public Health Sciences. Fred Hutchinson Cancer Research Center. Seattle WA. USA ; Maternal and Child Health Program. University of Washington. Seattle WA. USA |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 147, n° 2, 1998) |
| Pagination : | 136-140 |
| Langues: | Anglais |
| Mots-clés : | Cancer ; Sein ; Poids naissance ; Epidémiologie ; Facteur risque ; Validité ; Homme ; Femme ; Etats Unis ; Amérique du Nord ; Amérique ; Glande mammaire [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST uR0xCl4W. Diffusion soumise à autorisation]. The authors used data from a population-based case-control study of breast cancer in women aged<44 years (cases, n=975 ; controls, n=866) conducted between 1994 and 1996 in three counties of western Washington state to assess the validity and reliability of reported perinatal factors. For a sample of participants, exposure information from self-administered questionnaires was validated with information from birth certificates (cases, n=378 ; controls, n=283). Detailed information regarding perinatal characteristics of their daughters was also collected from subjects'mothers (case mothers, n=510 ; control mothers, n=436) to assess the reliability of subjects'reporting of these events. Although reporting of birth weight by subjects (cases, r=0.83 ; controls, r=0.80) and their mothers (case mothers, r=0.89 ; control mothers, r=0.84) was highly correlated with the birth certificates, there was differential measurement error by subjects ; cases reported birth weight accurately on average, but controls tended to underestimate their birth weight. Agreement between the subject and mother report was excellent for birth weight (cases, r=0.85 ; controls, r=0.87) and good for other perinatal factors, but birth order and maternal diethylstilbestrol use were underreported among cases and reported accurately among controls. Differential measurement error of birth weight by case-control status resulted in biased odds ratios for breast cancer risk. |
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