Study demographics, practice patterns to predict office-based service use.
D000293:Adolescent; D000328:Adult; D000368:Aged; D019985:Benchmarking; D002204:Capitation Fee; D003710:Demography; D005260:Female; D005544:Forecasting; D006279:Health Maintenance Organizations / Q000191:economics / Q000458:organization & administration; D006801:Humans; D008297:Male; D008875:Middle Aged; D009819:Office Visits / Q000191:economics / Q000706:statistics & numerical data* / Q000639:trends; D010818:Practice Patterns, Physicians'; D012737:Sex Factors