title: Challenges in measuring physical activity in women.
abstract: This article identifies challenges facing researchers when studying physical activity in women. The three issues include social and cultural differences influencing women's physical activity habits, measuring lifetime physical activity, and measuring moderate-intensity physical activity within the context of women's lives.
authors.affiliation: Department of Epidemiology and Biostatistics, School of Public Health, University of South Carolina, Columbia 29208, USA. bainsworth@ph.sc.edu
authors.forename: B E
authors.initials: BE
authors.lastname: Ainsworth
mesh_terms: D015444:Exercise; D005260:Female; D006801:Humans; D008019:Life Style; D010807:Physical Endurance / Q000502:physiology*; D012680:Sensitivity and Specificity; D012737:Sex Factors; D013223:Statistics as Topic