Table 3 The effect of helmet fixation, helmet type and visor type with facial injury and its divisions
*Facial injury | **Upper face injury | #Middle face injury | ##Lower face injury | |
|---|---|---|---|---|
Explanatory variables | AOR (95%CI) | AOR (95%CI) | AOR (95%CI) | AOR (95%CI) |
Helmet fixation | ||||
Fixed | 1.00 | 1.00 | 1.00 | 1.00 |
Not fixed | 2.10 (1.41-3.13) | 6.64 (3.71-11.91) | 5.36 (3.05-9.44) | 2.00 (1.22-3.26) |
Unknown | 1.98 (1.30-3.04) | 4.16 (2.17-7.98) | 2.63 (1.34-5.17) | 1.80 (1.03-3.14) |
Type of helmet | ||||
Full-face | 1.00 | 1.00 | 1.00 | 1.00 |
Half-head & open- face | 1.43 (0.50-4.04) | 1.01 (0.23-4.46) | 0.52 (0.13-2.16) | 4.38 (0.54-35.80) |
Tropical | 1.47 (0.43-5.10) | 1.53 (0.25-9.27) | 1.17 (0.20-6.68) | 5.51 (0.58-52.14) |
Not wearing a helmet | 3.20 (1.01-10.16) | 7.34 (1.34-40.30) | 1.75 (0.37-8.19) | 13.28 (1.51-116.54) |
Unknown helmet | 0.55 (0.15-2.07) | 0.29 (0.05-1.73) | 0.26 (0.05-1.46) | 1.74 (0.17-17.58) |
Type of visor | ||||
Integrated | 1.00 | 1.00 | 1.00 | 1.00 |
Added-on | 0.91 (0.60-1.37) | 0.57 (0.30-1.11) | 0.55 (0.28-1.09) | 0.91 (0.55-1.53) |
Helmet without a visor | 0.90 (0.44-1.84) | 0.76 (0.25-2.33) | 0.45 (0.14-1.43) | 0.70 (0.27-1.83) |
Unknown | 2.79 (1.48-5.28) | 5.95 (2.47-14.33) | 4.12 (1.90-8.93) | 2.77 (1.31-5.86) |