TABLE 3.
Covariates | Model 1 | Model 2 | Model 3 | Model 4 |
---|---|---|---|---|
| ||||
Year home was built (YYYY) | −0.01*** (−0.01 to −0.00) | −0.01*** (−0.02 to −0.00) | −0.01*** (−0.02 to −0.00) | −0.01*** (−0.02 to −0.01) |
Indoor humidity (%) | 0.02*** (0.01 to 0.04) | 0.03*** (0.01 to 0.04) | 0.03*** (0.01 to 0.04) | |
Indoor temperature (C) | 0.04 (−0.03 to 0.11) | 0.04 (−0.04 to 0.12) | ||
Pet(s) in home (0 = no, 1 = yes) | 0.11 (−0.24 to 0.46) | |||
Plant(s) in home (0 = no, 1 = yes) | −0.04 (−0.40 to 0.32) | |||
Floor type (0 = tile/concrete, 1 = other) | 0.14 (−0.22 to 0.50) | |||
Constant | 19.89*** (7.83–31.94) | 23.72*** (11.92–35.51) | 22.07*** (10.29–33.85) | 24.46*** (11.97 to 36.95) |
Observations | 135 | 113 | 112 | 109 |
R-squared | 0.05 | 0.15 | 0.15 | 0.17 |
Robust confidence interval in parentheses;
P < .01
P < .05
P < .1.