Table 4.
Indoor air pollution in longest adult residence and adjusted percent changes in anti-Müllerian hormone (AMH) levels, Sister Study
| Indoor air pollution | N | % | Age adjusted % change and 95%CI | Multivariable adjusted % change and 95% CI a | |
|---|---|---|---|---|---|
| Energy source for the cooking stove top | |||||
| Electricity | 545 | 61.8 | 0.0 (referent) | 0.0 (referent) | |
| Gas | 309 | 35.0 | 15.1 (−12.9, 52.1) | 17.9 (−11.1, 56.4) | |
| Propane | 28 | 3.2 | 89.6 (−11.2, 305.4) | 113.1 (−0.5, 356.1) | |
| Stove/fireplace fuel | |||||
| No stove/fireplace | 341 | 44.4 | 0.0 (referent) | 0.0 (referent) | |
| Wood | 319 | 41.5 | −25.5 (−45.3, 1.3) | −32.5 (−51.1, −6.8) | |
| Natural gas or propane | 120 | 15.6 | 11.0 (−27.0, 68.8) | −2.5 (−37.1, 51.1) | |
| Artificial firelogs | 153 | 19.9 | −24.9 (−48.9, 10.4) | −31.6 (−54.2, 2.3) | |
| Wood | |||||
| No stove/fireplace | 341 | 51.7 | 0.0 (referent) | 0.0 (referent) | |
| ≤10 times/year | 118 | 17.9 | −17.3 (−46.0, 26.7) | −27.9 (−53.9, 12.7) | |
| >10 times/year | 201 | 30.5 | −29.7 (−50.7, 0.4) | −36.0 (−55.7, −7.8) | |
| Natural gas/propane | |||||
| No stove/fireplace | 341 | 74.0 | 0.0 (referent) | 0.0 (referent) | |
| ≤10 times/year | 41 | 8.9 | 57.3 (−17.9, 201.2) | 30.1 (−33.4, 154.0) | |
| >10 times/year | 79 | 17.1 | −8.0 (−43.7, 50.3) | −19.0 (−51.6, 35.6) | |
| Artificial firelogs | |||||
| No stove/fireplace | 341 | 69.0 | 0.0 (referent) | 0.0 (referent) | |
| ≤10 times/year | 69 | 14.0 | −5.9 (−44.2, 58.9) | −13.1 (−49.5, 49.5) | |
| >10 times/year | 84 | 17.0 | −37.6 (−61.5, 1.1) | −45.8 (−67.2, −10.4) | |
a
Adjusted for age, body mass index, parity, breastfeeding history, race, education and annual household income.