| Variable | Population-based study | Hospital-based study | ||||
| Total RTCs (n = 1031) | RTC reported to police (% of total) | Odds of reporting RTC to police (95% CI) | TotalRTCs (n = 675) | RTC reported to police (% of total) | Odds of reporting RTC to police (95% CI) | |
| Age group (years)* | ||||||
| 0–29 | 740 | 11 (1.5) | 1.00 | 333 | 95 (28.5) | 1.00 |
| ⩾30 | 291 | 9 (3.1) | 1.72 (0.61 to 4.85) | 342 | 71 (20.8) | 0.73 (0.50 to 1.08) |
| Sex† | ||||||
| Male | 725 | 14 (1.9) | 1.91 (0.35 to 4.06) | 555 | 137 (24.7) | 0.78 (0.47 to 1.31) |
| Female | 306 | 6 (2.0) | 1.00 | 120 | 29 (24.2) | 1.00 |
| Type of road user‡ | ||||||
| Motorized two/three wheeled vehicle | 402 | 9 (2.2) | 0.90 (0.20 to 4.05) | 416 | 90 (21.6) | 0.69 (0.43 to 1.12) |
| Car/jeep/tempo/van/heavy vehicles | 67 | 8 (11.9) | 11.27 (2.11 to 60.11) | 62 | 31 (50.0) | 1.26 (0.59 to 2.68) |
| Pedestrian/cyclist | 562 | 3 (0.5) | 1.00 | 197 | 45 (22.8) | 1.00 |
| Other vehicle involved in RTC¶ | ||||||
| Car/jeep | 83 | 7 (8.4) | 10.75 (3.11 to 37.07) | 84 | 46 (54.8) | 4.28 (2.56 to 7.17) |
| Heavy vehicle | 15 | 2 (13.3) | 9.01 (1.22 to 53.67) | 99 | 32 (32.3) | 2.39 (1.44 to 3.98) |
| Other | 933 | 11 (1.2) | 1.00 | 492 | 88 (17.9) | 1.00 |
| Time of RTC§ | ||||||
| 06:00–18:00 | 748 | 7 (0.9) | 1.00 | 357 | 98 (27.5) | 1.00 |
| 18:01–22:00 | 243 | 6 (2.5) | 2.40 (0.71 to 8.14) | 176 | 32 (18.2) | 0.63 (0.39 to 1.02) |
| 22:01–05:59 | 40 | 7 (17.5) | 11.90 (2.98 to 47.51) | 142 | 36 (25.4) | 0.79 (0.48 to 1.29) |
| Number of people injured in RTC** | ||||||
| 1 | 787 | 5 (0.6) | 1.00 | 375 | 64 (17.1) | 1.00 |
| >1 | 244 | 15 (6.1) | 6.42 (1.99 to 20.73) | 299 | 101 (33.8) | 2.14 (1.40 to 3.29) |
| Type of hospital†† | ||||||
| Public | – | – | – | 164 | 23 (14.0) | 2.42 (1.42 to 4.14) |
| Private | – | – | – | 511 | 143 (28.0) | 1.00 |
Population-based study participants were aged 5–49 years and hospital-based study participants were of all ages. Data missing for one person in the population-based study.
*5–29 years and 30–49 years for population-based sample; χ2 test for significance: p = 0.092 and p = 0.019 for population-based and hospital-based sample, respectively.
†χ2 test for significance: p = 0.975 and p = 0.905 for population-based and hospital-based sample, respectively.
‡Motorized two-wheeled vehicles include moped, luna, scooter, scooterette and motorcycle; motorized three-wheeled vehicle are commercial passenger vehicles and include auto-rickshaws and seven-seaters; heavy vehicles include trucks, buses and lorries; χ2 test for significance: p<0.001 for population-based and hospital-based samples.
¶Heavy vehicles include trucks, buses, and lorries; others include cycles, pedestrians, motorized two-wheeled ad three-wheeled vehicles; χ2 test for significance: p<0.001 for population-based and hospital-based samples.
§χ2 test for significance: p<0.001 and p = 0.063 for population-based and hospital-based sample, respectively.
**χ2 test for significance: p<0.001 for population-based and hospital-based samples; data missing on one person in hospital-based sample.
††Not assessed for population-based sample; χ2 test for significance: p<0.001 for hospital-based sample.