Table 6 Explanatory factors for SF12 MCS at 12 months post-injury within motorcyclists only
Explanatory factor | Estimate (95% CI) | p value | Footnotes |
|---|---|---|---|
CTP claimant status | −0.6 (− 2.7, 1.6) | 0.5 | a |
High baseline IES-R | −5.4 (− 7.8, − 3.1 | <.001 | a, b2 |
High baseline DASS | −10.4 (− 12.4, − 8.4) | <.001 | a, b2 |
High baseline PCS | − 2.6 (− 5.7,0.4) | 0.08 |  |
Perceived danger | |||
 Overwhelming | −6.6 (−10.3, − 3) | 0. 03 | a, c |
 Great | −3.4 (− 6.4, − 0.5) | 0.02 | a, c |
 Moderate | −1.8 (− 4.1,0.5) | 0.12 | a |
 Small | −0.6 (−3, 1.7) | 0.6 |  |
 None (reference) |  |  |  |
 Baseline history of pain after accident | −0.6 (− 2.2,1) | 0.5 |  |
Hospital length of stay (severity) | |||
 Seven days or more | −4.7 (−7.4, −2.1) | 0. 03 | a, b1 |
 Two-six days | −2.8 (−4.7, − 0.8) | 0.005 | b1 |
 One day or less (reference) |  |  |  |
 Pre-injury anx/dep | −3.5 (−6.2, − 0.7) | 0.01 | a, b2 |
Social satisfaction | |||
 Dissatisfied | −1.4 (−7.3, 4.5) | 0.6 | a |
 Neither | −1.9 (−5.4, 1.7) | 0.3 |  |
 Satisfied (reference) |  |  |  |
Recruitment source | |||
 Orange/Dubbo/Bathurst | 0.4 (−1.8, 2.6) | 0.7 | a |
 Other hospitals | 0.7 (−1.5, 3) | 0.5 |  |
 PIR/CAS/GP/Physio/Online | 5.2 (− 3, 13.4) | 0.2 |  |
 RNS/RPA (reference) | |||
 Paid work | 2.7 (0.1, 5.3) | 0.04 | b1 |
Level of education | |||
 Primary or less | −1.7 (−6.4, 2.9) | 0.4 |  |
 Secondary | −1.6 (−3.9, 0.8) | 0.18 |  |
 Technical or other | −0.3 (−2.5, 2) | 0.8 |  |
 Tertiary or university (reference) |  |  |  |
Pre-injury disability on EQ. 5D summary score | |||
  < =0.8 | −3.1 (−6, -0.1) | 0.04 | a, b1 |
  > 0.8–0.9 | −2.6 (−5.4, 0.2) | 0.07 | a |
  > 0.9- < 1 | – |  |  |
 1-full score representing no problems (reference) |  |  |  |
Pre-injury health - number of comorbidities | |||
 Four or more | −0.5 (−5.1, 4.1) | 0.8 |  |
 Two or three | −3.3 (−6.1, − 0.5) | 0.02 | b1 |
 One | −0.2 (−2.4, 2.1) | 0.8 |  |
 None (reference) |  |  |  |
 Male | 1 (−1.7, 3.7) | 0.5 | a |
Age group | |||
 17–24 years | 0.5 (−2.3, 3.2) | 0.7 |  |
 25–44 years | −0.5 (−2.7, 1.6) | 0.6 |  |
 45–59 years (reference) |  |  |  |
 60–69 years | −0.4 (−4.5, 3.7) | 0.8 |  |
 70+ years | 3.1 (−4.2, 10.5) | 0.4 |  |