Joint association between birth weight at term and later life adherence to a healthy lifestyle with risk of hypertension: a prospective cohort study.

Autor:	Li Y; Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. yanping@hsph.harvard.edu., Ley SH; Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. sylvia.ley@channing.harvard.edu., VanderWeele TJ; Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA. tvanderw@hsph.harvard.edu.; Department of Biostatistics, Harvard School of Public Health, Boston, MA, USA. tvanderw@hsph.harvard.edu., Curhan GC; Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA. gcurhan@partners.org.; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 665 Huntington Ave, Boston, MA, 02115, USA. gcurhan@partners.org.; Renal Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA. gcurhan@partners.org., Rich-Edwards JW; Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA. jwrichedwards@bics.bwh.harvard.edu.; The Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. jwrichedwards@bics.bwh.harvard.edu., Willett WC; Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. walter.willett@channing.harvard.edu.; Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA. walter.willett@channing.harvard.edu.; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 665 Huntington Ave, Boston, MA, 02115, USA. walter.willett@channing.harvard.edu., Forman JP; Renal Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA. jforman@partners.org., Hu FB; Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. frank.hu@channing.harvard.edu.; Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA. frank.hu@channing.harvard.edu.; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 665 Huntington Ave, Boston, MA, 02115, USA. frank.hu@channing.harvard.edu., Qi L; Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. nhlqi@channing.harvard.edu.; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 665 Huntington Ave, Boston, MA, 02115, USA. nhlqi@channing.harvard.edu.
Jazyk:	angličtina
Zdroj:	BMC medicine [BMC Med] 2015 Jul 31; Vol. 13, pp. 175. Date of Electronic Publication: 2015 Jul 31.
DOI:	10.1186/s12916-015-0409-1
Abstrakt:	Background: Low birth weight and unhealthy lifestyles in adulthood have been independently associated with an elevated risk of hypertension. However, no study has examined the joint effects of these factors on incidence of hypertension. Methods: We followed 52,114 women from the Nurses' Health Study II without hypercholesterolemia, diabetes, cardiovascular disease, cancer, prehypertension, and hypertension at baseline (1991-2011). Women born preterm, of a multiple pregnancy, or who were missing birth weight data were excluded. Unhealthy adulthood lifestyle was defined by compiling status scores of body mass index, physical activity, alcohol consumption, the Dietary Approaches to Stop Hypertension diet, and the use of non-narcotic analgesics. Results: We documented 12,588 incident cases of hypertension during 20 years of follow-up. The risk of hypertension associated with a combination of low birth weight at term and unhealthy lifestyle factors (RR, 1.95; 95 % CI, 1.83-2.07) was more than the addition of the risk associated with each individual factor, indicating a significant interaction on an additive scale (P interaction <0.001). The proportions of the association attributable to lower term birth weight alone, unhealthy lifestyle alone, and their joint effect were 23.9 % (95 % CI, 16.6-31.2), 63.7 % (95 % CI, 60.4-66.9), and 12.5 % (95 % CI, 9.87-15.0), respectively. The population-attributable-risk for the combined adulthood unhealthy lifestyle and low birth weight at term was 66.3 % (95 % CI, 56.9-74.0). Conclusion: The majority of cases of hypertension could be prevented by the adoption of a healthier lifestyle, though some cases may depend on simultaneous improvement of both prenatal and postnatal factors.
Databáze:	MEDLINE
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