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Table 2 Participants’ characteristics (N = 118)

From: Weight control in older adults with knee osteoarthritis: a qualitative study

Characteristic
Gender
 Male 38 (32.2)
 Female 80 (67.8)
Body mass index
 Normal 30 (25.4)
 Overweight 38 (32.2)
 Mild obesity 35 (29.7)
 Moderate obesity 13 (11.0)
 Severe obesity 2 (1.7)
Age, years (range = 56–89) 70.8 (7.2)
Education
 Illiterate 12 (10.2)
 Primary school 66 (55.9)
 Junior high school 18 (15.3)
 Senior high school 17 (14.4)
 College and above 5 (4.2)
Religious beliefs
 Yes 113 (95.8)
 No 5 (4.2)
Marital status
 Single 2 (1.7)
 Married 87 (73.7)
 Divorced 3 (2.5)
 Widowed 26 (22.0)
Number of children (range = 0–7) 3.4 (1.2)
Work status
 Yes 19 (16.1)
 No 99 (83.9)
Time since osteoarthritis diagnosis, months (range = 0–362) 55.5 (55.0)
Kellgren-Lawrence classification
 Stage III 50 (42.4)
 Stage IV 68 (57.6)
Site of osteoarthritis
 Left knee 39 (33.1)
 Right knee 52 (44.1)
 Both knees 27 (22.9)
Current treatment for osteoarthritis
 Medication 100 (84.7)
 Rehabilitation 3 (2.5)
 Medication+ Rehabilitation 15 (12.7)
Previously received total knee arthroplasty
 Yes 8 (6.8)
 No 110 (93.2)
  1. Continuous variables are presented by mean and standard deviation, with categorical variables presented by frequency and percentage