Table 2 SF 12 physical component score (PCS), mental component score (MCS) and EQ-5D-3L measures (summary score and EQ-VAS) stratified by pre-injury socio-demographic characteristics and health characteristics
PCS | MCS | EQ-5D summary | EQ-VAS | ||||||
|---|---|---|---|---|---|---|---|---|---|
Pre-injury socio-demographic characteristics | N | Mean (SD) | P a | Mean (SD) | P a | Mean (SD) | P a | Mean (SD) | P a |
Age (years) | 0.003 | 0.37 | 0.008 | 0.17 | |||||
<45 | 192 | 38.4 (11.7) | 47.1 (10.8) | 0.74 (0.16) | 67.3 (21.4) | ||||
≥45 | 171 | 34.8 (11.0) | 46.0 (11.8) | 0.69 (0.21) | 64.1 (22.9) | ||||
Gender | 0.89 | 0.25 | 0.74 | 0.94 | |||||
Male | 135 | 36.8 (12.1) | 47.5 (11.1) | 0.72 (0.19) | 65.9 (22.9) | ||||
Female | 229 | 36.6 (11.2) | 46.1 (11.3) | 0.71 (0.18) | 65.7 (21.7) | ||||
Marital statusb | 0.04 | 0.98 | 0.31 | 0.01 | |||||
Married/de facto | 213 | 36.7 (11.7) | 46.5 (11.3) | 0.71 (0.20) | 66.1 (22.3) | ||||
Divorced/widowed/separated | 64 | 34.0 (11.6) | 46.9 (11.1) | 0.70 (0.20) | 59.2 (26.1) | ||||
Single | 86 | 38.8 (10.5) | 46.6 (11.5) | 0.74 (0.13) | 69.9 (17.2) | ||||
Educationb | 0.01 | 0.10 | 0.02 | <0.001 | |||||
Post-secondary | 195 | 38.1 (11.5) | 47.5 (10.8) | 0.74 (0.15) | 69.4 (19.9) | ||||
Secondary or less | 168 | 35.1 (11.3) | 45.6 (11.6) | 0.69 (0.22) | 61.8 (23.8) | ||||
Prior paid work status | 0.03 | 0.19 | 0.33 | 0.04 | |||||
Yes | 227 | 37.7 (11.8) | 47.2 (10.7) | 0.72 (0.18) | 67.6 (20.5) | ||||
No | 137 | 35.0 (10.9) | 45.6 (12.1) | 0.70 (0.20) | 62.7 (24.5) | ||||
Mn (mean); SD (standard deviation); PCS (physical component score); MCS (mental component score); F (one-way ANOVA F statistic); P (p-value); N (number) | |||||||||
Self-rated health prior to injury | 0.002 | <0.001 | <0.001 | <0.001 | |||||
Excellent/very good | 274 | 37.7 (11.5) | 47.8 (10.5) | 0.72 (0.16) | 69.1 (20.3) | ||||
Good | 67 | 34.9 (11.0) | 45.1 (12.7) | 0.72 (0.21) | 58.7 (25.4) | ||||
Fair/poor | 23 | 29.8 (9.8) | 36.7 (11.1) | 0.57 (0.25) | 46.1 (18.2) | ||||
Body mass index (kg/m2) | 0.003 | 0.02 | 0.003 | <0.001 | |||||
<20 | 28 | 39.1 (11.4) | 47.5 (9.8) | 0.73 (0.11) | 69.4 (16.1) | ||||
20–24.9 | 128 | 38.8 (12.1) | 49.0 (10.0) | 0.76 (0.17) | 71.2 (19.7) | ||||
25–29.9 | 115 | 36.6 (11.1) | 45.3 (12.6) | 0.70 (0.19) | 65.8 (20.6) | ||||
≥30 | 93 | 33.3 (10.5) | 44.6 (11.0) | 0.67 (0.19) | 57.2 (26.1) | ||||
Smoking | 0.57 | 0.02 | 0.36 | 0.15 | |||||
Yes | 52 | 35.8 (11.4) | 43.3 (13.0) | 0.69 (0.23) | 66.3 (22.2) | ||||
No | 312 | 36.8 (11.5) | 47.1 (10.9) | 0.72 (0.18) | 61.5 (21.1) | ||||
Prior chronic illness | <0.001 | 0.06 | <0.001 | <0.001 | |||||
Yes | 146 | 33.1 (10.2) | 45.3 (12.0) | 0.67 (0.19) | 59.8 (22.6) | ||||
No | 218 | 39.1 (11.7) | 47.5 (10.6) | 0.75 (0.17) | 69.8 (21.0) | ||||
Depression | 0.25 | <0.001 | <0.001 | <0.001 | |||||
Yes | 15 | 33.3 (11.7) | 28.4 (9.8) | 0.18 (0.15) | 39.9 (21.3) | ||||
No | 349 | 36.8 (11.5) | 47.4 (10.6) | 0.74 (0.15) | 66.9 (21.5) | ||||