Table 4.
Association of time, measured from 6–12 months and 12–24 months after injury, and injury recovery measures, using linear mixed model analysesa
| Health status measure | 6-12 months | 12-24 months | ||||
|---|---|---|---|---|---|---|
| Mean difference (SE) | 95 % CI | p | Mean difference (SE) | 95 % CI | p | |
| SF-36v2 PCSb | −2.38 (0.88) | −4.11, 0.64 | 0.007 | −2.62 (0.96) | −4.51, −0.73 | 0.007 |
| SF-36v2 MCSb | −2.32 (1.10) | −4.48, −0.16 | 0.032 | −1.88 (1.19) | −4.22, 0.47 | 0.116 |
| PCL-Cc | 2.06 (1.30) | −0.50, 4.61 | 0.114 | 2.10 (1.41) | −0.66, 4.86 | 0.136 |
| GRCb | −0.74 (0.25) | −1.23, −0.26 | 0.003 | −0.22 (0.27) | −0.75, 0.31 | 0.415 |
aAdjusted for age, gender, ISS, IRSD, education skill level, language other than English, BMI, risk of short term harm due to alcohol consumption, self-reported at fault, vehicle type, pre-morbid neck pain in the last 6 months, crash on a public road, self-assessed pre-injury health status, time and claim status by time
bA negative mean difference indicates improvement over time where higher scores indicate better outcomes. Health status measures are: Short Form-36 Version 2.0 Physical Component Score (SF-36v2 PCS); Short Form-36 Version 2.0 Mental Component Score (SF-36v2 MCS); and Global Rating of Change (GRC) scale
cA positive mean difference indicates improvement over time where higher scores indicate poorer outcomes. Health status measure is: PTSD Checklist – Civilian Version (PCL-C)