This is a 4-week longitudinal (repeated measures) protocol with 5 separate samples:(1) a general community sample, (2) a sample of patients with osteoarthritis, (3) a sample of women reporting premens
a: SE—standard error, ASP–age–standardized prevalence b: p–value for sex difference in the prevalence of poor physical functioning and poor self-rated health Descriptive statistics of poor physical fu
Additional file 1: Table 1. Estimations grouped by sex and age for the original categories of self-perceived general health at measurement 4 (Excel file).