Stillbirths in the United States, 1981-2000: an age, period, and cohort analysis.
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| Title: | Stillbirths in the United States, 1981-2000: an age, period, and cohort analysis. |
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| Authors: | Ananth CV (AUTHOR), Liu S (AUTHOR), Kinzler WL (AUTHOR), Kramer MS (AUTHOR) |
| Source: | American Journal of Public Health. Dec2005, Vol. 95 Issue 12, p2213-2217. 5p. |
| Subjects: | Stillbirth, Childbirth, Pregnancy, American women, White women, Black women |
| Geographic Terms: | United States |
| Abstract: | OBJECTIVES: We examined age, period, and cohort (APC) effects on temporal trends in stillbirths among Black and White women in the United States. METHODS: We conducted a cohort study of Black and White women who delivered a singleton live-born or stillborn infant during 1981 through 2000. We analyzed stillbirth rates at 20 or more weeks of gestation within 7 age groups, 4 periods, and 10 'central' birth cohorts after adjusting for confounders. RESULTS: In both racial groups, women younger than 20 years or 35 years or older were at increased risk of stillbirth; risks decreased over successive periods in all age groups. Birth cohort had no impact on stillbirth trends among Blacks and only a small, nonsignificant effect among Whites. Analyses of various APC combinations showed that Blacks were at a 1.2- to 2.9-fold increased risk for stillbirth relative to Whites. Attributable fractions for stillbirth because of age, period, and cohort effects were 16.5%, 24.9%, and 0.1%, respectively, among Black women and 14.5%, 36.2%, and 2.1%, respectively, among White women. CONCLUSIONS: Strong effects of age and period were observed in stillbirth trends, but these factors do not explain the persistent stillbirth disparity between Black and White women. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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