Table 1 Basic comparison of the four investigated groups
PTSD + LBP (N = 80) | PTSD (N = 59) | LBP (N = 95) | Controls (N = 135) | P | ||
|---|---|---|---|---|---|---|
Age; mean ± standard deviation | 45.20 ± 5.05 | 43.32 ± 5.45 | 48.60 ± 4.98 | 41.78 ± 5.40 | < 0.001 | |
Education; n (%) | Primary school | 10 (14.5) | 4 (12.1) | 10 (14.9) | 12 (12.9) | 0.499 |
Secondary school | 49 (71.0) | 25 (75.8) | 39 (56.7) | 65 (69.9) | ||
College degree | 7 (10.1) | 2 (6.1) | 9 (13.4) | 7 (7.5) | ||
University degree | 3 (4.3) | 2 (6.1) | 10 (14.9) | 9 (9.7) | ||
Employment status; n (%) | Employed | 14 (20.6) | 5 (12.5) | 48 (51.10) | 98 (73.7) | < 0.001 |
Pensioned | 46 (67.6) | 33 (82.5) | 35 (37.2) | 7 (5.30) | ||
Unemployed | 8 (11.8) | 2 (5.0) | 11 (11.7) | 28 (21.1) | ||
Marital status; n (%) | Married | 56 (80.0) | 30 (73.2) | 75 (79.8) | 67 (50.8) | < 0.001 |
Single | 6 (8.6) | 6 (14.6) | 9 (9.6) | 61 (46.2) | ||
Living together with a partner | 3 (4.3) | 2 (4.9) | 4 (4.3) | 2 (1.5) | ||
Divorced | 4 (5.7) | 3 (7.3) | 3 (3.2) | 1 (0.8) | ||
Widoved | 1 (1.4) | 0 (0) | 3 (3.21) | 1 (0.8) | ||
Smoking; n (%) | Don't smoke | 43 (61.4) | 21 (52.5) | 69 (73.4) | 84 (62.7) | 0.015 |
Smoke, less than 20 cigarettes per day | 11 (15.7) | 10 (25.0) | 13 (13.8) | 37 (27.6) | ||
Smoke, more than 20 cigarettes per day | 16 (22.9) | 9 (22.5) | 12 (12.8) | 13 (9.7) | ||
Self-reported physical activity; n (%) | No physical activity | 21 (29.4) | 7 (17.9) | 18 (19.8) | 11 (9.2) | < 0.001 |
Occasionally | 35 (51.5) | 18 (46.2) | 44 (48.4) | 45 (37.5) | ||
Once a week | 2 (2.9) | 5 (12.8) | 15 (16.5) | 23 (19.23) | ||
Daily | 11 (16.2) | 9 (23.11) | 14 (15.4) | 41 (34.2) |