Table 2.
Multiple regression analysis of associations between household heating and disability for activities of daily living in random effects logit models
| Model 1 DADLa | Model 2 DIADLb | |
|---|---|---|
| ORc (95%CI) | ORc (95%CI) | |
| Heating season | 0.753 | 0.763 |
| (0.470–1.205) | (0.512–1.138) | |
| Heating fuel | ||
| Pollution-producing heating fuel | 1.399***d (1.227–1.594) | 1.710*** (1.523–1.920) |
| Other heating fuel | 1.040 (0.885–1.223) | 1.155** (1.002–1.331) |
| Interaction of pollution-producing heating fuel and heating season | 2.014** (1.126–3.600) | 1.956*** (1.186–3.226) |
| Interaction of other heating fuel and heating season | 0.357*** (0.167–0.764) | 0.501** (0.271–0.924) |
| Age | 1.051*** (1.044–1.057) | 1.062*** (1.056–1.068) |
| Female | 1.050 (0.923–1.195) | 1.515*** (1.349–1.702) |
| Unmarried | 1.238*** (1.076–1.425) | 1.279*** (1.123–1.458) |
| Junior high sch. or more | 0.729*** (0.640–0.832) | 0.516*** (0.459–0.580) |
| Heavy drinker | 0.850 (0.681–1.062) | 0.825** (0.688–0.989) |
| Current smoker | 0.865** (0.758–0.987) | 0.887** (0.789–0.997) |
| Pollution-cooking cooking fuel | 1.327*** (1.186–1.483) | 1.452*** (1.316–1.601) |
| Unfavorable housing conditions | 1.362*** (1.171–1.584) | 1.542*** (1.348–1.764) |
| Number of chronic disease | ||
| One | 1.721*** (1.502–1.972) | 1.503*** (1.339–1.688) |
| Two or more | 3.050*** (2.673–3.480) | 3.184*** (2.845–3.564) |
| Wave 2013 | 1.622*** (1.480–1.778) | 1.039 (0.963–1.120) |
| Observations | 16,634 | 25,156 |
aDADL disability for activities of daily living. Model 1 presents the association between heating fuel and DADL
bDIADL disability for instrumental activities of daily living. Model 2 presents the association between heating fuel and DIADL
c95%CI (confidence interval) bracketed below the odds ratio (OR) estimates
dp < 0.1
**p < 0.05
***p < 0.01