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Author (up) Gudmundsdottir, S.L.; Flanders, W.D.; Augestad, L.B. url  doi
  Title Physical activity and age at menopause: the Nord-Trondelag population-based health study Type Journal Article
  Year 2013 Publication Climacteric : the Journal of the International Menopause Society Abbreviated Journal Climacteric  
  Volume 16 Issue 1 Pages 78-87  
  Keywords Adult; Age Factors; Confidence Intervals; Female; Health Surveys; Humans; Kaplan-Meier Estimate; Logistic Models; *Menopause; Middle Aged; Motor Activity/*physiology; Norway; Odds Ratio; Proportional Hazards Models; Young Adult  
  Abstract BACKGROUND: Age at menopause may affect women's subsequent morbidity and mortality. In contrast to numerous other health outcomes, little is known about the possible effects of physical activity on age at menopause. OBJECTIVES: To assess the relationship between leisure-time physical activity and age at menopause. METHODS: Premenopausal women participating in a population-based health survey (HUNT 2) conducted in the county of Nord-Trondelag, Norway reported their physical activity in the period of 1995-1997. Age at menopause was reported during 2006-2008 (HUNT 3). Cox proportional hazards models were used to estimate hazard ratios for menopause and logistic regression to estimate odds ratios for early menopause, with 95% confidence intervals, adjusting for age at menarche, parity, use of oral contraceptives prior to the 6 months preceding participation in HUNT 2, symptoms of depression, smoking status, and education. RESULTS: Women aged 40-49 years at baseline had lower hazard ratios for menopause when participating in any light leisure-time physical activity compared with no activity (p < 0.05) and similar results were observed in 19-39-year-olds. In 50-59-year-old women, the results varied greatly and did not reach statistical significance. CONCLUSIONS: The effects of leisure-time physical activity on age at menopause may be age-dependent. We found indications of earlier menopause for the least active women aged 19-49 years at baseline.  
  Address Department of Human Movement Science, Faculty of Social Sciences and Technology Management, Norwegian University of Science and Technology, Trondheim, Norway  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1369-7137 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:22339441 Approved no  
  Call Number HUNT @ maria.stuifbergen @ Serial 1449  
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