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Disease history and risk of comorbidity in women's life course: a comprehensive analysis of the Japan Nurses' Health Study baseline survey.

Abstract：

OBJECTIVE:To classify diseases based on age at peak incidence to identify risk factors for later disease in women's life course. DESIGN:A cross-sectional baseline survey of participants in the Japan Nurses' Health Study. SETTING:A nationwide prospective cohort study on the health of Japanese nurses. The baseline survey was conducted between 2001 and 2007 (n=49,927). MAIN OUTCOME MEASURES:Age at peak incidence for 20 diseases from a survey of Japanese women was estimated using the Kaplan-Meier method with the Kernel smoothing technique. The incidence rate and peak incidence for diseases whose peak incidence occurred before the age of 45 years or before the perimenopausal period were selected as early-onset diseases. The OR and 95% CI were estimated to examine the risk of comorbidity between early-onset and other diseases. RESULTS:Four early-onset diseases (endometriosis, anaemia, migraine headache and uterine myoma) were significantly correlated with one another. Late-onset diseases significantly associated (OR>2) with early-onset diseases included comorbid endometriosis with ovarian cancer (3.65 (2.16 to 6.19)), endometrial cancer (2.40 (1.14 to 5.04)) and cerebral infarction (2.10 (1.15 to 3.85)); comorbid anaemia with gastric cancer (3.69 (2.68 to 5.08)); comorbid migraine with transient ischaemic attack (3.06 (2.29 to 4.09)), osteoporosis (2.11 (1.71 to 2.62)), cerebral infarction (2.04 (1.26 to 3.30)) and angina pectoris (2.00 (1.49 to 2.67)); and comorbid uterine myoma with colorectal cancer (2.31 (1.48 to 3.61)). CONCLUSIONS:While there were significant associations between four early-onset diseases, women with a history of one or more of the early-onset diseases had a higher risk of other diseases later in their life course. Understanding the history of early-onset diseases in women may help reduce the subsequent risk of chronic diseases in later life.

journal_name

BMJ Open

journal_title

BMJ open

authors

Nagai K,Hayashi K,Yasui T,Katanoda K,Iso H,Kiyohara Y,Wakatsuki A,Kubota T,Mizunuma H

doi

10.1136/bmjopen-2014-006360

subject

Has Abstract

pub_date

2015-03-11 00:00:00

pages

e006360

issue

3

issn

2044-6055

pii

bmjopen-2014-006360

journal_volume

5

pub_type

杂志文章

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