Table 3.
Relationship between injury characteristics and pain severity (ordinal regression)
| Characteristics | No pain n=63 (14.5%) |
Low pain n=258 (59.6%) |
Moderate-to-severe pain n=112 (25.9%) |
OR | ORadj
(95% CI) |
|
| Injury severity | ||||||
| AIS count† | M (SD) | 1.51 (0.82) | 1.75 (1.07) | 2.13 (1.33) | 1.38 | 1.37 (1.15, 1.62)* |
| Hospital stay (continuous)‡ | ||||||
| None vs any pain | M (SD) | 6.49 (6.36) | 6.72 (8.13) | 1.00 | 0.98 (0.95 to 1.02) | |
| None/low vs moderate/severe pain | M (SD) | 5.69 (5.99) | 9.53 (11.31) | 1.05* | 1.04 (1.01, 1.07)* | |
| Injury place | ||||||
| At home | N (%) | 14 (22.2) | 45 (17.4) | 18 (16.1) | Ref | Ref |
| Traffic/road | N (%) | 23 (36.5) | 96 (37.2) | 54 (48.2) | 1.52 | 1.38 (0.75 to 2.52) |
| Workplace | N (%) | 4 (6.4) | 25 (9.7) | 16 (14.3) | 1.98 | 1.99 (0.93 to 4.26) |
| Other | N (%) | 22 (34.9) | 92 (35.7) | 24 (21.4) | 0.88 | 1.11 (0.60 to 2.06) |
| Compensation status | ||||||
| None | N (%) | 41 (65.1) | 169 (65.5) | 55 (49.1) | Ref | Ref |
| Traffic Accident Commission/worksafe | N (%) | 22 (34.9) | 89 (34.5) | 57 (50.9) | 1.68* | 1.32 (0.84 to 2.07) |
| Fault | ||||||
| At fault | N (%) | 36 (57.1) | 133 (52.0) | 46 (41.8) | Ref | Ref |
| Not at fault | N (%) | 27 (42.9) | 123 (48.0) | 64 (58.2) | 1.50* | 1.46 (0.99 to 2.15) |
Significant relationships are with an asterisk (*). ORadj have adjusted for age, sex and education. Analysis of hospital stay, injury place, compensation, fault and work status also controlled for injury severity (number of body regions with moderate-to-severe AIS score).
†AIS count=the number of moderate-to-critical injured body regions.
‡The proportional odds assumption was not met for length of hospital stay, so ORs are reported here for each ordinal comparison.
AIS, Abbreviated Injury Scale.