Table 4.
Association of demographic and driving related variables with consumption of narcotics among motorcyclist.
| Variables | Narcotics consumption |
p-value | OR (95% CI) | ||
|---|---|---|---|---|---|
| No(n,%) | Yes(n,%) | ||||
| Age (year) | <18 | 29 (87.9) | 4 (12.1) | 0.716 | 0.45 (0.12–1.74) |
| 18–24 | 143 (85.1) | 25 (14.9) | 0.57 (0.22–1.48) | ||
| 25–34 | 121 (81.8) | 27 (18.2) | 0.73 (0.29–1.88) | ||
| 35–44 | 29 (82.9) | 6 (17.1) | 0.68 (0.20–2.3) | ||
| >45 | 23 (76.7) | 7 (23.3) | 1 | ||
| Marital status | Single | 211 (85.8) | 35 (14.2) | 0.107 | 0.65 (0.39–1.10) |
| Married | 134 (79.8) | 34 (20.2) | 1 | ||
| Education | Under diploma | 162 (79.4) | 42 (20.6) | 0.04 | 2.15 (0.91–5.05) |
| High school diploma | 125 (86.2) | 20 (13.8) | 1.33 (0.53–3.31) | ||
| University | 58 (89.2) | 7 (10.8) | 1 | ||
| Living location | Shiraz | 316 (83.6) | 62 (16.4) | 0.640 | 0.81 (0.34–1.94) |
| Other | 29 (80.6) | 7 (19.4) | 1 | ||
| Salary (×10,000 Rls) | ≤500 | 248 (82.4) | 53 (17.6) | 0.403 | 1.30 (0.70–2.38) |
| >500 | 97 (85.8) | 16 (14.2) | 1 | ||
| Usage times (per week) | ≤3 | 111 (84.7) | 20 (15.3) | 0.603 | 1.16 (0.66–2.05) |
| >3 | 234 (82.7) | 49 (17.3) | 1 | ||
| Type of motor | <125 cc | 325 (84.2) | 61 (15.8) | 0.080 | 1 |
| >125 cc | 20 (71.4) | 8 (28.6) | 2.13 (0.90–5.06) | ||
| Using mobile phone during driving | No | 181 (85.4) | 31 (14.6) | 0.254 | 1 |
| Yes | 164 (81.2) | 38 (18.8) | 1.35 (0.8–2.30) | ||
| Maneuvering while driving | No | 291 (85.6) | 49 (14.4) | 0.009 | 1 |
| Yes | 54 (73.0) | 20 (27.0) | 2.20 (1.21–3.99) | ||
| Speeding over the limit | No | 178 (86.0) | 29 (14.0) | 0.148 | 1 |
| Yes | 167 (80.7) | 40 (19.3) | 1.47 (0.87–2.48) | ||
| Usage reason | Non-recreational | 296 (83.9) | 57 (16.1) | 0.464 | 1 |
| Recreational | 49 (80.3) | 12 (19.7) | 1.27 (1.64–2.54) | ||
| Valid driver license | No | 239 (83.9) | 46 (16.1) | 0.669 | 1.28 (0.65–1.95) |
| Yes | 106 (82.2) | 23 (17.8) | 1 | ||
| RTA in past year | No | 130 (77.8) | 37 (22.2) | 0.015 | 1 |
| Yes | 215 (87.0) | 32 (13.0) | 1.91 (1.14–3.22) | ||
| Driving with technical defect | No | 206 (87.7) | 29 (12.3) | 0.008 | 1 |
| Yes | 139 (77.7) | 40 (22.3) | 2.04 (1.21–3.45) | ||
| Wearing safety helmet | No | 223 (80.5) | 54 (19.5) | 0.024 | 1.97 (1.07–3.64) |
| Yes | 122 (89.1) | 15 (10.9) | 1 | ||
Abbreviations in alphabetic order: OR = odds ratio; Rls = Iranian rials; RTA = road traffic accident.