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. 2015 Apr 8;10(4):e0123099. doi: 10.1371/journal.pone.0123099

Table 4. Prevalence and odds ratio of current wheezing and current allergic rhinitis in selected group.

Characteristics Current wheezing Asthma ever Current rhinitis symptoms Current rhino-conjunctivitis symptoms
% COR (95% CI) p % COR (95% CI) p % COR (95% CI) p % COR (95% CI) p
Sex
Female 3 1.15 (0.70–1.90) 0.589 3.7 2.67(1.46–4.86) 0.001 10.7 1.09 (0.83–1.43) 0.504 5.8 1.21(0.83–1.75) 0.322
Male 2.6 1 1.4 1 10 1 4.9 1
Age group, years
19–30 3.3 0.68 (0.30–1.54) 0.297 3.1 1.1250.39–3.18) 0.839 11.3 1.40 (0.76–2.61) 0.282 6.5 1.37(0.62–3.02) 0.443
31–40 1.4 0.29 (0.10–0.81) 0.018 2.4 0.86(0.27–2.71) 0.798 9.8 1.20 (0.62–2.31) 0.597 3.6 0.73(0.30–1.79) 0.492
41–50 3 0.61 (0.22–1.67) 0.336 3 1.09(0.33–3.60) 0.888 8.7 1.05 (0.51–2.15) 0.891 3 0.61(0.22–1.67) 0.336
51–60 2 0.41 (0.12–1.42) 0.408 1 0.36(0.07–2.00) 0.243 10.7 1.32 (0.63–2.78) 0.465 7.7 1.62(0.64–4.09) 0.305
> 60 4.9 1 2.8 1 8.3 1 4.9 1
Level of education
< secondary 3.1 0.94 (0.48–1.87) 0.867 2.6 0.79(0.39–1.64) 0.533 9.2 1 5.9 1
secondary 2.6 0.78 (0.45–1.35) 0.373 2.5 0.75(0.43–1.31) 0.312 8.8 0.95 (0.65–1.40) 0.797 4.4 0.86(0.53–1.42) 0.564
Higher education 3.3 1 3.3 1 13.7 1.56 (1.06–2.31) 0.025 6.8 1.58(1.05–2.36) 0.027
Ethnic group
Bantou 3.2 2.11 (0.50–8.85) 0.308 3 1.32(0.40–4.35) 0.648 11 1.89 (0.90–3.94) 0.092 5.8 1.27(0.54–2.99) 0.582
Semi-Bantou 2.7 1.76 (0.41–7.52) 0.444 2.4 0.97(0.29–3.29) 0.964 10.4 1.77 (0.84–3.73) 0.132 5.2 1.12(0.47–2.67) 0.793
Peul/Sudanese 1.5 1 3 1 6.2 1 4.6 1
Marital status
Living in couple 2.4 1 1.9 1 9 1 4.1 1
Alone 3.2 1.36 (0.79–2.33) 0.263 3.3 1.77(0.98–3.18) 0.054 11.3 1.30 (0.97–1.74) 0.079 6.2 1.54(1.02–2.31) 0.038
Number/chamber in household (n = 2232)
≤ 2 3.2 1.29 (0.78–2.13) 0.321 3 1.27(0.76–2.12) 0.356 11.2 1.201 (0.92–1.58) 0.174 5.6 1.06(0.74–1.53) 0.749
> 2 2.5 1 2.4 1 9.5 1 5.3 1
Tobacco smoking (n = 2298)
smokers 3.1 1.09 (0.39–3.07) 0.861 1.5 0.51(0.16–1.64) 0.259 19.4 2.21 (1.39–3.50) 0.001 8.2 1.70(0.98–2.95) 0.058
Ex-smokers 3.1 1.09 (0.47–2.57) 0.837 0.8 0.25(0.04–1.85) 0.176 10.8 1.11 (0.69–1.80) 0.656 7.8 1.59(0.81–3.13) 0.178
Non-smokers 2.8 1 3 1 9.8 1 5 1
History of pulmonary TB
Yes 2.2 0.77 (0.10–5.65) 0.794 4.4 1.68(0.39–7.08) 0.477 11.1 1.08 (0.42–2.76) 0.878 2.2 0.39(0.05–2.84) 0.388
No 2.9 1 2.7 1 10.4 1 5.5 1
BMI, kg/m 2 (n = 2280)
≥ 30 3 0.96 (0.53–1.72) 0.88 3.4 1.35(0.77–2.38) 0.300 10.6 1.04 (0.75–1.43) 0.834 4.4 0.77(0.48–1.23) 0.276
< 30 2.9 1 2.5 1 10.2 1 5.6 1
Current eczema symptoms
Yes 9.4 3.74 (1.44–9.72) 0.016 5.7 2.19(0.67–7.22) 0.175 26.4 3.22 (1.72–6.02) <0.001 18.9 4.32(2.12–8.81) <0.001
No 2.7 1 2.7 1 10 1 5.1 1
Current rhinitis / / / / / /
Yes 7.5 3.41 (1.95–5.96) <0.001 6.7 3.07(1.71–5.50) <0.001 / / / ./ / /
No 2.3 1 2.3
Current wheezing
Yes / / / 30.3 22.19(12.11–40.67) <0.001 27.3 3.41 (1.95–5.96) <0.001 20 4.70(2.49–8.89) <0.001
No / / / 1.9 1 9.9 1 5 1
Asthma ever
Yes 31.7 22.19(12.11–40.66) <0.001 / / / 25.4 3.41 (1.95–5.96) <0.001 15.9 3.46(1.71–6.97) <0.001
No 2.1 1 / / / 10 5.2 1

CI, confidence interval; CRO, crude odds ratio; BMI, body mass index; TB, tuberculosis.