title: Compliance bias as a factor in longitudinal exercise research. Osteoporosis.
authors.affiliation: Department of Health Sciences, University of Wisconsin-Milwaukee.
authors.forename: N B
authors.initials: NB
authors.lastname: Oldridge
mesh_terms: D000368:Aged; D015982:Bias; D015331:Cohort Studies; D015444:Exercise; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008875:Middle Aged; D015663:Osteoporosis, Postmenopausal / Q000517:prevention & control*; D010349:Patient Compliance; D016032:Randomized Controlled Trials as Topic