Fertility and sterility · 2016
Associations of parity and age at first pregnancy with overall and cause-specific mortality in the Cancer Prevention Study II.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Gaudet Mia M, Carter Brian D, Hildebrand Janet S, Patel Alpa V, Campbell Peter T, Wang Ying, Gapstur Susan M
Аннотация
OBJECTIVE: To evaluate the association of parity, number of live births, and age at first birth with mortality using multivariable-adjusted Cox proportional hazards regression models.
DESIGN: Observational cohort.
SETTING: Not applicable.
PATIENT(S): A total of 424,797 women.
INTERVENTION(S): None.
MAIN OUTCOME MEASURE(S): All-cause and cause-specific mortality.
RESULT(S): During median follow-up of 24.93 years, 238,324 deaths occurred. Parous, compared with nulliparous, women had lower rates of all-cause (hazards ratio [HR] = 0.94, 95% confidence interval [CI] 0.93-0.96) mortality, driven by heart disease and overall cancer mortality. A linear trend was found for more births and diabetes mortality (P<.001) with having ≥6 births, compared with 2, associated with an HR of 1.28 (95% CI 1.15-1.43). Compared with age at first birth from 20-22 years, age at first birth <20 years was associated with higher mortality rates overall (HR = 1.04, 95% CI 1.02-1.06), driven by heart disease and chronic obstructive pulmonary disease mortality; whereas, ≥35 years was associated with higher overall cancer mortality (HR = 1.13, 95% CI 1.06-1.20).
CONCLUSION(S): Although parity was associated with a slight reduction in rates of all-cause mortality resulting in a minimal impact on average lifespan, the higher diabetes mortality in grand multiparous women might warrant continuous monitoring, particularly for abnormal glucose metabolism, among these women.
DESIGN: Observational cohort.
SETTING: Not applicable.
PATIENT(S): A total of 424,797 women.
INTERVENTION(S): None.
MAIN OUTCOME MEASURE(S): All-cause and cause-specific mortality.
RESULT(S): During median follow-up of 24.93 years, 238,324 deaths occurred. Parous, compared with nulliparous, women had lower rates of all-cause (hazards ratio [HR] = 0.94, 95% confidence interval [CI] 0.93-0.96) mortality, driven by heart disease and overall cancer mortality. A linear trend was found for more births and diabetes mortality (P<.001) with having ≥6 births, compared with 2, associated with an HR of 1.28 (95% CI 1.15-1.43). Compared with age at first birth from 20-22 years, age at first birth <20 years was associated with higher mortality rates overall (HR = 1.04, 95% CI 1.02-1.06), driven by heart disease and chronic obstructive pulmonary disease mortality; whereas, ≥35 years was associated with higher overall cancer mortality (HR = 1.13, 95% CI 1.06-1.20).
CONCLUSION(S): Although parity was associated with a slight reduction in rates of all-cause mortality resulting in a minimal impact on average lifespan, the higher diabetes mortality in grand multiparous women might warrant continuous monitoring, particularly for abnormal glucose metabolism, among these women.