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Table 1 Patient demographics and baseline characteristics

From: Quality of life and treatment satisfaction with pharmacological interventions in Chinese adults with chronic pain due to osteoarthritis

Characteristics N = 601
Age, mean (SD) 61.77 (9.53)
Body mass index, mean (SD) 24.66 (3.16)
Gender, n (%)
 Male 149 (24.79)
 Female 452 (75.21)
Nationalities, n (%)
 Han 587 (97.67)
 Others 14 (2.33)
Working status, n (%)
 Unemployed 37 (6.17)
 Part-time 7 (1.17)
 Full-time 144 (24)
 Retired 412 (68.67)
Educational status, n (%)
 Below senior high school 293 (48.75)
 Senior high school 137 (22.8)
 Junior college 88 (14.64)
 Undergraduate 76 (12.65)
 Postgraduate or above 7 (1.16)
Insurance types, n (%)
 Urban resident basic medical insurance 177 (29.45)
 Urban employee basic medical insurance 242 (40.27)
 New rural cooperative medical system 158 (26.29)
 Commercial health insurance 5 (0.83)
 Uninsured 19 (3.16)
Comorbidity, n (%)
 Any comorbidities 331 (55.07)
 Hypertension 239 (39.77)
 Coronary heart disease 75 (12.48)
 Myocardial infarction 2 (0.33)
 Stroke 12 (2)
 Cerebral hemorrhage 1 (0.17)
 Gastritis 86 (14.31)
 Nephropathy 15 (2.5)
 Diabetes 92 (15.31)
 Stomach or duodenal ulcers 20 (3.33)
  1. n number of subjects, SD standard deviation