Assessment of differences between compliers and noncompliers in outpatient research diet studies.
Crumb-Johnson
R
R
Clinical Research Center, Oregon Health Sciences University, Portland 97201.
Smith-Banes
M
M
Hatcher
L
L
Hagan
D W
DW
D000434:Alcoholic Beverages; D000553:Ambulatory Care; D004032:Diet; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D012107:Research Design