Table 2 Sample characteristics at T0
Overall (N = 531) | Lumbal disc (N = 419) | Cervical disc (N = 112) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Without psychiatric comorbiditiy (N = 445) | With psychiatric comorbidity (N = 86) | Without psychiatric comorbiditiy (N = 352) | With psychiatric comorbidity (N = 67) | Without psychiatric comorbiditiy (N = 93) | With psychiatric comorbidity (N = 19) | ||||
Age (mean (SD)) | 42.6 (7.87) | 41.4 (8.34) | a | 41.8 (8.05) | 40.5 (8.78) | a | 45.5 (6.35) | 44.6 (5.63) | a |
Number of children (mean (SD) | 1.41 (0.98) | 1.43 (2.28) | a | 1.37 (1.00) | 1.13 (0.99) | a | 1.55 (0.89) | 2.47 (4.41) | a |
Number of previous disc herniations (mean (SD)) | 1.61 (1.62) | 2.70 (10.3) | a | 1.64 (1.73) | 3.00 (11.6) | a * | 1.51 (1.12) | 1.59 (1.33) | a |
Number of previous disc surgery (mean (SD)) | 0.22 (0.58) | 0.29 (0.62) | a | 0.22 (0.58) | 0.37 (0.68) | a | 0.18 (0.57) | 0 (0) | a ** |
Psychiatric comorbidity | |||||||||
---ICD-10 chapter F0 (N (%)) | - | 3 (1) | - | 3 (1) | - | 0 (0) | |||
---ICD-10 chapter F1 (N (%)) | - | 11 (2) | - | 7 (2) | - | 4 (4) | |||
---ICD-10 chapter F3 (N (%)) | - | 56 (11) | - | 44 (11) | - | 12 (11) | |||
---ICD-10 chapter F4 (N (%)) | - | 47 (9) | - | 38 (9) | - | 9 (8) | |||
Self reported chronic medical disease (N (%)) | |||||||||
---Yes (ref: No) | 170 (38) | 36 (42) | b | 229 (65) | 45 (67) | b | 46 (49) | 5 (26) | b |
Gender (N (%) | |||||||||
---Male | 179 (60) | 47 (45) | b* | b * 214 (61) | 32 (48) | b * | 52 (56) | 7 (37) | b |
Education (N (%)) | |||||||||
---ISCED level 2 or lower | 7 (2) | 4 (5) | b | 6 (2) | 4 (6) | b | 1 (1) | 0 (0) | b |
---ISCED level 3 | 306 (69) | 57 (66) | 240 (68) | 48 (72) | 66 (71) | 9 (47) | |||
---ISCED level 5 or higher | 132 (30) | 25 (29) | 106 (30) | 15 (22) | 26 (28) | 10 (53) | |||
Marital status (N (%)) | |||||||||
Married (ref: alone) | 264 (59) | 35 (41) | b** | b **205 (58) | 23 (34) | b *** | 59 (63) | 12 (63) | b |
Living situation (N (%)) | |||||||||
---Living alone | 68 (15) | 24 (28) | b** | b **53 (15) | 19 (28) | b * | 15 (16) | 5 (26) | b |
---Living with partner/parents | 364 (82) | 58 (67) | 290 (82) | 45 (67) | 74 (80) | 13 (68) | |||
---Other living situation | 13 (3) | 4 (5) | 9 (3) | 3 (4) | 4 (4) | 1 (%) | |||
Employment status (N (%)) | |||||||||
---Employed (ref: unemployed) | 371 (83) | 54 (63) | b*** | b ***296 (84) | 40 (59) | b *** | 75 (81) | 14 (74) | b |
Type of health insurance (N (%)) | |||||||||
---Statutory health insurance | 381 (86) | 81 (94) | b* | b *308 (87) | 62 (93) | b | 73 (78) | 19 (100) | b * |
---Private health insurance | 64 (14) | 5 (6) | 44 (13) | 5 (7) | 20 22) | 0 (0) | |||