Table 2 Determinants of play area and mattress endotoxin levels
Play area endotoxin concentration (EU/mg) β (SE) | Play area endotoxin load (EU/m2) β (SE) | Mattress endotoxin concentration (EU/mg) β (SE) | Mattress endotoxin load (EU/m2) β (SE) | |
|---|---|---|---|---|
Age >12 years (ref: <12) | 0.02 (0.04) | 0.08 (0.06) | −0.12 (0.05) * | −0.11 (0.06) * |
Parent with > high school (ref: ≤high school) | −0.10 (0.05) † | −0.17 (0.08) * | −0.03 (0.05) | −0.003 (0.07) |
Family history allergy (ref: no family history) | 0.13 (0.06) * | 0.21 (0.09) * | 0.09 (0.05) * | 0.09 (0.06) |
ETS exposure (ref: none) | −0.01 (0.08) | −0.03 (0.11) | 0.10 (0.05) * | 0.10 (0.07) |
Rural home (ref: non-rural) | −0.02 (0.13) | 0.07 (0.15) | −0.25 (0.14) † | −0.33 (0.16) * |
Mice present (ref: none) | 0.24 (0.09) * | 0.34 (0.11) * | 0.13 (0.07) † | 0.23 (0.10) * |
Home air conditioning (ref: none) | −0.11 (0.06) † | −0.04 (0.08) | −0.05 (0.04) | −0.15 (0.06) * |
Fall (ref: spring) | −0.12 (0.11) | −0.04 (0.13) | −0.06 (0.06) | 0.09 (0.08) |
Winter (ref: spring) | −0.10 (0.10) | −0.002 (0.13) | 0.05 (0.06) | 0.22 (0.07) * |
Cat present in past 12 months (ref: none) | 0.14 (0.10) | 0.11 (0.13) | 0.18 (0.08) * | 0.23 (0.11) |
Crowding | −0.07 (0.08) | −0.03 (0.11) | 0.25 (0.09) * | 0.21 (0.12) † |