Global epidemiological study of variation of premenstrual symptoms with age and sociodemographic factors.
Lorraine Dennerstein, Philippe Lehert, Klaas Heinemann
Post Reproductive Health | Published : 2011
OBJECTIVES: To determine patterns of premenstrual symptom experiences across the reproductive age range, and the effects of other factors on premenstrual symptoms. STUDY DESIGN: Global cross-sectional survey. Sample A total of 7226 women aged 15-49 recruited by random sampling with approximately 400 each from France, Germany, Hungary, Italy, Spain, UK, Brazil, Mexico, Hong Kong, Pakistan and Thailand. Approximately 1000 women in Japan and Korea and 500 Australian women were found using Internet panels. MAIN OUTCOME MEASURES: Questionnaire of 23 premenstrual symptoms, sociodemographic and lifestyle variables. RESULTS: Four different patterns of premenstrual symptoms were found with ageing: sy..View full abstract