Complex samples multivariable general linear model regression analysis of factors influencing household PM2.5
| Variable | Household PM2.5 (µg/m3) | ||
|---|---|---|---|
| B (95% CI) | F | ||
| Age | 0.067 (–0.060 to 0.194) | 1.098 | 0.296 |
| Sex | 2.314 | 0.130 | |
| Female | –1.132 (–2.603 to 0.338) | ||
| Male | 0 | ||
| Education level | 0.265 | 0.850 | |
| College or higher | –2.144 (–8.459 to 4.171) | ||
| High school | –1.534 (–6.262 to 3.194) | ||
| Middle school | –1.891 (–6.402 to 2.620) | ||
| Elementary school or lower | 0 | ||
| Current smoking status | 5.504 | 0.020 |
|
| Current | 4.411 (0.697 to 8.125) | ||
| Non-current | 0 | ||
| Atmospheric PM2.5 | 0.386 (0.266 to 0.506) | 40.385 | <0.001 |
| Floor level | –0.254 (–0.438 to –0.070) | 7.453 | 0.007 |
| Residential floor area | –0.065 (–0.105 to –0.025) | 10.500 | 0.001 |
| Recent home repair | 0.457 | 0.500 | |
| Yes | 1.657 (–3.187 to 6.502) | ||
| No | 0 | ||
| Presence of pet | 0.242 | 0.624 | |
| Yes | 0.810 (–2.444 to 4.063) | ||
| No | 0 | ||
| House cleaning | 1.735 | 0.190 | |
| Yes | 4.043 (–2.020 to 10.106) | ||
| No | 0 | ||
| Use of insecticide | 0.041 | 0.841 | |
| Yes | –0.289 (–3.127 to 2.549) | ||
| No | 0 | ||
| Use of air freshener | 1.501 | 0.222 | |
| Yes | –1.350 (–3.528 to 0.827) | ||
| No | 0 | ||
| Use of air purifier | 2.427 | 0.121 | |
| Yes | –1.827 (–4.145 to 0.490) | ||
| No | 0 | ||
| Use of humidifier | 6.885 | 0.010 |
|
| Yes | 4.680 (1.157 to 8.204) | ||
| No | 0 | ||
| Cooking activity status | 5.443 | 0.021 |
|
| Yes | 6.370 (0.976 to 11.764) | ||
| No | 0 | ||
| Living room-kitchen separation | 0.286 | 0.593 | |
| Yes | 1.918 (–5.165 to 9.000) | ||
| No | 0 | ||
| Window opening or closing status | 0.716 | 0.399 | |
| Yes | –1.170 (–3.902 to 1.562) | ||
| No | 0 | ||
| Residential zoning area | 4.203 | 0.017 |
|
| Residential zone | 6.298 (1.993 to 10.603) | ||
| Urban in non-residential zone | 3.258 (–2.604 to 9.119) | ||
| Rural in non-residential zone | 0 | ||
PM2.5, particulate matter 2.5; CI, confidence interval.
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