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Table 1 Basic comparison of the four investigated groups

From: Quality of life in Croatian Homeland war (1991-1995) veterans who suffer from post-traumatic stress disorder and chronic pain

   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)