Table 2 Background data at baseline (n = 133). There were no significant differences in any of the comparisons between the variables
From: COMT genotype and non-recovery after a whiplash injury in a Northern European population
Total n = 133 (%) | LPS n = 20 (%) | APS n = 102 (%) | HPS n = 11 (%) | |
|---|---|---|---|---|
Female sex | 75 (56) | 11 (55) | 57 (56) | 7 (64) |
Ethnicity | ||||
Caucasian | 114 (86) | 17 (15) | 88 (77) | 9(8) |
Caucasian-Hispanic | 7 (5) | 1 (14) | 6 (85) | 0 (0) |
Asian | 2 (1) | 1 (50) | 0 (0) | 1 (50) |
Middle Eastern | 9 (7) | 1 (11) | 8 (89) | 0 (0) |
African | 1(1) | 0 (0) | 0 (0) | 1 (100) |
Educational level | ||||
High school | 92 (69) | 15 (75) | 71 (70) | 6 (55) |
University | 41 (31) | 5 (25) | 31 (30) | 5 (45) |
Employed (yes) | 109 (82) | 15 (75) | 85 (83) | 9 (82) |
Smoker (yes) | 34 (26) | 5 (26) | 27 (28) | 2 /18) |
Self-ratings of mental health | n (%) | n | n | n |
HAD depression (yes) | 12 (9.8) | 2 | 8 | 2 |
HAD anxiety (yes) | 24 (20.2) | 3 | 20 | 1 |
PTSD (yes) | 11 (8.7) | 3 | 7 | 1 |
Age (years) | mean (SD) | mean (SD) | mean (SD) | mean (SD) |
40 (13) | 43 (18) | 40 (13) | 41 (15) | |