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
aFor continuous variables, values in parentheses are the standard deviation. bIndependent t-test used for continuous variables and chi-square test used for categorical variables. cOne-way ANOVA used f
The National Health and Nutrition Examination Surveys (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The NHANES comb