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To investigate the relationship between dietary intake of minerals and the risk of chronic obstructive pulmonary disease (COPD), a case-control study was conducted in central Japan. A total of 278 referred patients (244 men and 34 women) aged 50-75 years with COPD diagnosed within the past four years and 340 community-based controls undertook spirometric(More)
OBJECTIVES To investigate whether caffeine intake is associated with urinary incontinence (UI) among Japanese adults. METHODS A total of 683 men and 298 women aged 40 to 75 years were recruited from the community in middle and southern Japan. A validated food frequency questionnaire was administered face-to-face to obtain information on dietary intake and(More)
AIMS To investigate the association between green tea consumption and urinary incontinence among middle-aged and older women. METHODS Three hundred community-dwelling women aged 40-75 years were recruited in middle and southern Japan. A validated food frequency questionnaire was administered face-to-face to obtain information on dietary intake and(More)
BACKGROUND Urinary incontinence (UI) is a distressing problem for older people. To investigate the relationship between UI and respiratory symptoms among middle-aged and older men, a community-based study was conducted in Japan. METHODS A convenience sample of 668 community-dwelling men aged 40 years or above was recruited from middle and southern Japan.(More)
BACKGROUND To investigate the relationship between soy consumption, COPD risk and the prevalence of respiratory symptoms, a case-control study was conducted in Japan. METHODS A total of 278 eligible patients (244 men and 34 women), aged 50-75 years with COPD diagnosed within the past four years, were referred by respiratory physicians, while 340 controls(More)
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