Data attrition in follow-up studies of alcoholics.
Alcoholics who responded to posttreatment follow-up evaluation showed more improvement than those wh did not respond. Thus nonresponders may bias follow-up research tht does not account for missing data. Several procedures are outlined to increase follow-up return.
D000328:Adult; D000359:Aftercare; D000368:Aged; D000437:Alcoholism / Q000534:rehabilitation*; D003142:Communication; D004651:Employment; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D011795:Surveys and Questionnaires