Table 2 Univariable analysis of adolescents’ characteristics associated with their self-reported asthma status in Kuwait: A cross-sectional study, October 2015 (n = 746)
Characteristics | Total n | Self-reported asthmaa (yes vs. no) n (%) | Unadjusted prevalence ratio (95% CI) | p-valueb |
|---|---|---|---|---|
Gender | 0.163 | |||
 Female | 374 | 69 (18.4) | 1.00 |  |
 Male | 372 | 85 (22.8) | 1.24 (0.93–1.64) |  |
Nationality | 0.865 | |||
 Non-Kuwaiti | 186 | 37 (19.9) | 1.00 |  |
 Kuwaiti | 552 | 115 (20.8) | 1.05 (0.76–1.47) |  |
Income (Kuwaiti Dinars) | 0.974c | |||
  < 500 | 32 | 5 (15.6) | 1.00 | |
 500–1000 | 126 | 28 (22.2) | 1.42 (0.60–3.39) | |
 1001–1500 | 144 | 33 (22.9) | 1.38 (0.58–3.30) | |
 1501–2000 | 105 | 19 (18.1) | 1.34 (0.54–3.33) | |
  > 2000 | 281 | 64 (22.8) | 1.69 (0.73–3.92) | |
Respondent’s current smoking status | <  0.001 | |||
 No | 643 | 119 (18.5) | 1.00 | |
 Yes | 91 | 33 (36.3) | 1.96 (1.43–2.69) | |
Number of smokers at home | < 0.001 | |||
 None | 338 | 50 (14.8) | 1.00 | |
 One or more | 398 | 103 (25.9) | 1.75 (1.29–2.37) | |
ETS exposure at public places (hours per week) | 0.013 | |||
  < 3 | 336 | 58 (17.3) | 1.00 | |
  ≥ 3 | 369 | 93 (25.2) | 1.46 (1.09–1.96) | |