Keyphrases
Primary Care
100%
Sampling Frame
100%
Primary Care Research
100%
Repeat Prescriptions
100%
Chronic Back Pain
100%
Sampling Methods
60%
Health Measures
40%
External Validity
40%
Convenience Sampling
40%
Epidemiological Study
40%
Population Sample
40%
General Population Sample
40%
Demographic Differences
40%
Randomized Controlled Trial
20%
Young Subgroup
20%
Chronic Pain
20%
One Sample
20%
Response Rate
20%
Social Class
20%
Demographic Characteristics
20%
Epidemiological Research
20%
Clinical Characteristics
20%
Intervention Studies
20%
General Practice
20%
Older Age Group
20%
Analgesic
20%
Marital Status
20%
Employment Status
20%
General Health
20%
Large Population
20%
Educational Level
20%
Hypothetical Test
20%
Class Level
20%
Clinical Differences
20%
Demographic Health
20%
Population-based Methods
20%
Careae
20%
Pain Measures
20%
Electronic Survey
20%
Follow-up Rate
20%
Nursing and Health Professions
Primary Medical Care
100%
External Validity
50%
General Practice
25%
Analgesic Agent
25%
Chronic Pain
25%