Table 3.
Association between household and participant characteristics and elevated carboxyhemoglobin levels (n = 1520) 1.
| Univariable | Multivariable | |
|---|---|---|
| OR (95% CI) 2 | OR (95% CI) | |
| Presence of cough in 3 months prior | 0.97 (0.75–1.27) | |
| Diagnosis of pneumonia in 12 months prior | 1.03 (0.76–1.40) | |
| Presence of wheeze in 3 months prior | 1.34 (0.95–1.90) | |
| Occurrence of burn in 3 months prior | 1.06 (0.65–1.73) | |
| Wood | 0.34 (0.21–0.55) | 0.82 (0.36–1.89) |
| Charcoal | 0.59 (0.38–0.93) | 0.88 (0.59–1.31) |
| Crop | 0.58 (0.40–0.85) | 1.07 (0.74–1.55) |
| Dung | 0.63 (0.10–3.77) | |
| Smoker in the home | 1.27 (0.89–1.81) | |
| Male gender | 1.35 (1.02–1.79) | 1.30 (0.99–1.72) |
| Making bricks | 0.71 (0.39–1.29) | |
| Making beer | 0.61 (0.18–2.13) | |
| Rubbish burning | 0.56 (0.39–0.81) | 1.09 (0.75–1.59) |
| Use of kerosene lamp | 1.53 (0.65–3.56) | |
| Use of a mosquito coil | 0.68 (0.24–1.99) | |
| Cooking as a business | 1.05 (0.71–1.57) | |
| Period without food in the prior year | 1.47 (1.09–1.99) | 1.05 (0.79–1.40) |
| Period without money to buy soap in the prior year | 1.21 (0.90–1.62) | |
| Chikhwawa vs. Chilumba | 3.12 (1.89–5.14) | 2.77 (1.08–7.08) |
| Cooking inside in the dry season) | 1.09 (0.67–1.79) | |
| Cooking inside in the rainy season | 0.69–1.30) |
1 Statistically significant associations in bold. 2 Elevated OR defined as greater than median COHgB 5.5%.