| Variables | Reference | Mucosal symptoms | Skin symptoms | General symptoms |
---|---|---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | |||
Demographic data | Any allergies | No | 6.80 (4.98, 9.44)** | 4.74 (2.82, 8.34)** | − |
Lifestyle behaviors | Eating breakfast (No/sometimes) | Always | − | − | 2.51 (0.54, 8.19) |
Significant faddiness | None/some | 1.50 (1.05, 2.10)* | − | − | |
Daily TV watching (≥ 3 h) | ≤ 2 h | − | − | − | |
Constipation/bowel movement (Once in 3 days) | Once per 1–2 days | − | − | 3.17 (1.31, 7.11)* | |
Insufficient sleep (No/sometimes) | Always | − | − | − | |
Feeling refreshed after sleep (No/sometimes) | Always | 1.52 (1.15, 2.02)* | 1.84 (1.16, 2.91)* | − | |
Deep sleep (No/sometimes) | Always | 1.40 (0.96, 2.01) | Â | 4.39 (1.94, 9.57)** | |
Lifestyle index (0–7) | Continuous | − | − | − | |
Home building characteristics | Number of inhabitants | Continuous | − | − | − |
Building age | Continuous | − | − | − | |
Multifamily home | Single family home | − | − | − | |
Steel and concrete structure | Wooden structure | − | − | − | |
Newly/renovation within 1 year | No | − | − | − | |
Environmental tobacco smoke | No | − | − | − | |
Ventilation | Yes | − | − | − | |
Furry pets in the house | No | − | − | − | |
Wall-to-wall carpet | No | − | − | − | |
Dampness index | Continuous | 1.35 (1.20, 1.52)*** | 1.35 (1.11, 1.65)* | 1.50 (1.06, 2.09)* | |
Living near heavy traffic | No |  | − | − |