Logistic regressions, all injury, musculoskeletal (MS) injury and exercise injury and non-occupational risk factors
| All injury | MS injury | Exercise injury | |
|---|---|---|---|
| Comparison with all not injured | Comparison with all not having MS injury | Comparison with all not having exercise injury | |
| Body composition | |||
| Obesity, BMI defined (%) | |||
| Normal weight | – | – | – |
| Overweight | 1.13 (0.64 to 2.01) | 1.15 (0.60 to 2.21) | 0.87 (0.34 to 2.22) |
| Obese | 1.01 (0.55 to 1.86) | 1.18 (0.60 to 2.33) | 0.63 (0.22 to 1.81) |
| Obesity, waist circumference (%) | |||
| Under 40 inches | – | – | – |
| Over 40 inches | 1.04 (0.66 to 1.65) | 1.17 (0.71 to 1.93) | 1.13 (0.51 to 2.47) |
| Obesity, body fat defined (%) | |||
| Not obese | – | – | – |
| Obese | 0.90 (0.59 to 1.38) | 0.94 (0.59 to 1.51) | 0.63 (0.29 to 1.36) |
| Fitness | |||
| VO2max (ml/kg/min) | 1.00 (0.98 to 1.03) | 1.00 (0.97 to 1.03) | 1.06 (1.01 to 1.12) |
| Maximum torso strength | |||
| Maximum pull weight/body weight | 1.01 (0.54 to 1.91) | 1.08 (0.53 to 2.18) | 4.03 (1.48 to 10.97) |
| Flexibility | |||
| Max reach (cm) | 0.97 (0.90 to 1.04) | 0.97 (0.89 to 1.05) | 1.07 (0.94 to 1.21) |
| Exercise on duty | |||
| Not regular exercisers | – | – | – |
| Regular exercisers | 0.84 (0.55 to 1.28) | 1.03 (0.64 to 1.64) | 4.60 (1.73 to 12.24) |
| Health behaviours | |||
| Smoking (%) | |||
| Never/experimental | – | – | – |
| Former | 1.84 (1.31 to 2.99) | 1.58 (0.93 to 2.69) | 1.33 (0.58 to 3.06) |
| Current | 1.04 (0.54 to 2.02) | 0.81 (0.38 to 1.76) | 0.75 (0.21 to 2.63) |
| Smokeless tobacco use (%) | |||
| Not current user | – | – | – |
| Current user | 1.19 (0.70 to 2.04) | 0.74 (0.38 to 1.41) | 1.39 (0.57 to 3.35) |
| Alcohol (%) | |||
| Two or less on CAGE questionnaire | – | – | – |
| More than two on CAGE questions | 1.15 (0.59 to 2.23) | 1.38 (0.68 to 2.80) | 0.51 (0.12 to 2.20) |
| Daytime sleepiness (%) | |||
| <11 on Epworth Sleepiness Scale | – | – | – |
| >11 on Epworth Sleepiness Scale | 1.74 (0.97 to 3.10) | 1.66 (0.89 to 3.12) | 1.43 (0.52 to 3.92) |
| Depression (%) | |||
| <4 CESD-10 | – | – | – |
| >4 on CESD-10 | 2.33 (1.33 to 4.08) | 1.99 (1.08 to 3.66) | 1.78 (0.69 to 4.58) |
Note: Because no univariate models evidenced a significant relationship between demographic characteristics and risk of injury, only unadjusted models are presented.
BMI, body mass index.