Non-recovery (n = 95) | Recovery (n = 76) | Model 1 | Model 2 | ||||||
n | % | n | % | Adjusted RR | P-value | Adjusted RR | P-value | ||
Adjustment variables | |||||||||
Whiplash grade | NS | NS | |||||||
grade 1 | 32 | 33.7 | 30 | 39.5 | ref | ref | |||
grade 2 | 63 | 66.3 | 46 | 60.5 | 1.1 [0.8 - 1.4] | 1.0 [0.8 - 1.3] | |||
Gender | <0.04 | NS | |||||||
Male | 30 | 31.6 | 34 | 44.7 | ref | ref | |||
Female | 65 | 68.4 | 42 | 55.3 | 1.3 [1.0 - 1.8] | 1.2 [1.0 - 1.5] | |||
Age | <0.05 | NS | |||||||
16 - 24 yrs | 22 | 23.2 | 32 | 42.1 | ref | ref | |||
25 - 34 yrs | 32 | 33.7 | 14 | 18.4 | 1.6 [1.1 - 2.3] | 1.3 [0.9 - 1.7] | |||
35 - 44 yrs | 25 | 26.3 | 15 | 19.7 | 1.4 [0.9 - 2.0] | 1.1 [0.8 - 1.4] | |||
>=45 yrs | 16 | 16.8 | 15 | 19.7 | 1.2 [0.7 - 1.9] | 0.9 [0.6 - 1.3] | |||
Inclusion variables | |||||||||
Pre-accident event: birth | <0.01 | NS | |||||||
No | 68 | 71.6 | 65 | 85.5 | ref | ref | |||
Yes | 27 | 28.4 | 11 | 14.5 | 1.6 [1.2 - 2.1] | 1.1 [0.9 - 1.4] | |||
Pre-accident event: Death, hospital admission | <0.04 | NS | |||||||
No | 56 | 58.9 | 56 | 73.7 | ref | ref | |||
Yes | 39 | 41.1 | 20 | 26.3 | 1.3 [1.0 - 1.7] | 1.2 [0.9 - 1.4] | |||
Responsibility | <0.03 | NS | |||||||
No | 79 | 83.2 | 49 | 64.5 | ref | ref | |||
Yes | 16 | 16.8 | 27 | 35.5 | 0.7 [0.4 - 1.0] | 0.8 [0.6 - 1.1] | |||
1-year variables | |||||||||
Memory disorder | - | <0.01 | |||||||
Not at all or Not more than usual | 63 | 66.3 | 73 | 96.1 | ref | ||||
A little or Much more than usual | 32 | 33.7 | 3 | 3.9 | 1.5 [1.2 - 1.8] | ||||
Disabling pain | - | <0.0001 | |||||||
No | 19 | 20.0 | 66 | 86.8 | ref | ||||
Yes | 75 | 78.9 | 10 | 13.2 | 3.3 [2.2 - 5.1] |