Table 4. Association between risk factors and demographic and socioeconomic variables in adolescents.
| Two risk factorsa | Three risk factorsa | Four risk factorsa | Five risk factorsa | |||||
|---|---|---|---|---|---|---|---|---|
| n (%) | OR (95%CI)b | n (%) | OR (95%CI) b | n (%) | OR (95%CI) b | n (%) | OR (95%CI) b | |
| Total | 204 (22.2) | 452 (49.3) | 199 (21.7) | 29 (3.1) | ||||
| Sex | ||||||||
| Male | 96 (23.5) | 1.00 | 193 (47.3) | 1.00 | 88 (21.5) | 1.00 | 15 (3.6) | 1.00 |
| Female | 108 (21.2) | 1.10 (0.52–2.34) | 259 (50.9) | 1.31 (0.63–2.70) | 111 (21.8) | 1.28 (0.60–2.71) | 14 (2.7) | 0.93 (0.34–2.57) |
| Age (years) | ||||||||
| 14–16 | 121 (22.3) | 1.00 | 277 (51.1) | 1.00 | 108 (19.9) | 1.00 | 17 (3.1) | 1.00 |
| 17–19 | 83 (22.1) | 1.04 (0.47–2.27) | 175 (46.7) | 0.98 (0.46–2.10) | 91 (24.3) | 1.32 (0.60–2.91) | 12 (3.2) | 1.06 (0.37–3.06) |
| Skin colour | ||||||||
| White | 136 (23.5) | 1.00 | 277 (47.9) | 1.00 | 126 (21.8) | 1.00 | 17 (2.9) | 1.00 |
| Others | 68 (20.1) | 1.08 (0.48–2.42) | 175 (51.7) | 1.37 (0.63–2.96) | 73 (21.6) | 1.25 (0.56–2.80) | 12 (3.5) | 1.55 (0.54–4.45) |
| School shift | ||||||||
| Daytime | 148 (21.9) | 1.00 | 338 (50.0) | 1.00 | 146 (21.6) | 1.00 | 21 (3.1) | 1.00 |
| Night shift | 56 (23.2) | 0.81 (0.35–1.87) | 114 (47.3) | 0.74 (0.33–1.65) | 53 (21.9) | 0.75 (0.32–1.74) | 08 (3.3) | 0.84 (0.27–2.66) |
| Economic Level | ||||||||
| High | 138 (21.6) | 1.00 | 309 (48.5) | 1.00 | 145 (22.7) | 1.00 | 22 (3.4) | 1.00 |
| Low | 66 (23.6) | 1.22 (0.53–2.82) | 143 (51.2) | 1.18 (0.52–2.63) | 54 (19.3) | 0.93 (0.40–2.16) | 07 (2.5) | 0.81 (0.25–2.58) |
OR: Odds ratio; CI: Confidence interval
aReference category: zero and one risk factor (n = 32).
bAdjusted analysis for all independent variables.