Table 1 Baseline characteristics of the study sample in %; total and stratified by obesity status
Characteristics | Total (n = 241) | Non-obese (n = 87) | Obese (n = 154) | p-value |
|---|---|---|---|---|
BMI (mean; SD) (n = 241) | 32.9 (6.2) | 26.8 (2.2) | 36.3 (4.9) | - |
Age (mean; SD) (n = 241) | 68.4 (9.4) | 70.7 (9.6) | 67.1 (9.0) | 0.004 |
Sex (n = 241) |  |  |  |  |
Female | 59.8 (144) | 63.2 (55) | 57.8 (89) | 0.409 |
Male | 40.2 (97) | 36.8 (32) | 42.2 (65) | Â |
Smoking status (n = 240) |  |  |  |  |
No (longer) | 89.6 (215) | 87.4 (76) | 90.8 (139) | 0.394 |
Current smoker | 10.4 (25) | 12.6 (11) | 9.2 (14) | Â |
Marital status (n = 239) |  |  |  |  |
Not married§ | 33.1 (79) | 37.6 (32) | 30.5 (47) | 0.262 |
Married | 66.9 (160) | 62.4 (53) | 69.5 (107) | Â |
Level of education (n = 237) |  |  |  |  |
Low | 50.2 (119) | 43.0 (37) | 54.3 (82) | 0.244 |
Middle | 32.1 (76) | 37.2 (32) | 29.1 (44) | Â |
High | 17.7 (42) | 19.8 (17) | 16.6 (25) | Â |
Expectations pain (n = 240) |  |  |  |  |
None/Low | 2.5 (6) | 2.3 (2) | 2.6 (4) | 0.579 |
Moderate | 14.6 (35) | 11.5 (10) | 16.3 (25) | Â |
High | 82.9 (199) | 86.2 (75) | 81.0 (124) | Â |
Expectations ADL (n = 239) |  |  |  |  |
None/Low | 7.5 (18) | 3.5 (3) | 9.8 (15) | 0.078 |
Moderate | 29.7 (71) | 25.6 (22) | 32.0 (49) | Â |
High | 62.8 (150) | 70.9 (61) | 58.2 (89) | Â |
Expectations physical activities (n = 240) |  |  |  |  |
None/Low | 17.9 (43) | 13.8 (12) | 20.3 (31) | 0.453 |
Moderate | 34.2 (82) | 35.6 (31) | 33.3 (51) | Â |
High | 47.9 (115) | 50.6 (44) | 46.4 (71) | Â |
WHO-5 (n = 233) | 43.4 (25.0) | 49.6 (26.2) | 39.9 (23.6) | 0.004 |