Independent variable | General health status (Likert scale 1 to 5) | SF-12 PCS | SF-12 MCS | EQ-5D summary score | EQ-5D VAS |
---|---|---|---|---|---|
β a (95 % CI) | β a (95 % CI) | β a (95 % CI) | β a (95 % CI) | β a (95 % CI) | |
Pre-injury health status | |||||
Excellent/very good | 0 | 0 | 0 | 0 | |
Good | −0.55 (−0.83, −0.27) | −3.4 (−6.3, −0.5) | 0.03 (−0.02, 0.08) | −6.5 (−12.3, −0.6) | |
Fair/poor | −1.46 (−1.89, −1.03) | −11.6 (−16.2, −7.0) | −0.10 (−0.18, −0.02) | −16.2 (−25.5, −6.9) | |
Education level (≤ secondary) | −5.1 (−9.3, −0.8) | ||||
Chronic illness | −5.9 (−8.2, −3.6) | −0.05 (−0.10, −0.01) | −4.8 (−9.6, 0.0) | ||
Chronic pain | −0.08 (−0.14, −0.02) | ||||
Self-perceived threat to life | −0.33 (−0.55, −0.11) | −3.2 (−5.5, −0.8) | −3.8 (−6.1, −1.5) | −0.04 (−0.08, −0.01) | −10.5 (−14.9, −6.1) |
NISS (4–8) | −4.4 (−7.6, −1.3) | ||||
Fracture | −0.10 (−0.17, −0.03) | ||||
Whiplash | −0.23 (−0.45, −0.00) | −3.0 (−5.3, −0.7) | −0.07 (−0.11, −0.03) | ||
Body mass index (kg/m2) | |||||
<20 | 0 | 0 | |||
20–24 | −0.17 (−0.58, 0.24) | −0.8 (−9.1, 7.5) | |||
25–29 | −0.45 (−0.87, −0.04) | −3.4 (−11.8, 4.9) | |||
≥30 | −0.53 (−0.95, −0.10) | −8.9 (−17.6, −0.3) | |||
Admitted to hospital (≥1 night) | −0.38 (−0.65, −0.10) | −4.0 (−6.9, −1.0) | −0.10 (−0.15, −0.06) | ||
Model R 2 | 0.22 | 0.13 | 0.11 | 0.19 | 0.19 |