Table 2 Summary of the explanatory variables retained in the stepwise logistic regression model in terms of number of participants for the time-independent variable and diary entries for the time-dependent variables
Variables | Frequency (%) Minors | Frequency (%) Adults |
|---|---|---|
Time-independent | ||
 Dehumidifiers at home | 20 (57.1%) | 67 (69.1%) |
 More than one wall having black molds at home | 6 (17.1%) | 16 (16.5%) |
Time-dependent | ||
 Touch hairy pets or see cockroaches at home | 1159 (20.7%) | 4820 (24.8%) |
 Secondhand smoking exposure | 653 (11.6%) | 3508 (18.1%) |
 Contact persons with ILI symptoms | 658 (12.0%) | 2707 (14.2%) |
 Poor sleeping quality | 231 (4.1%) | 1880 (9.7%) |
Perception of temperature | ||
 very cold | 277 (4.9%) | 893 (4.6%) |
 cold | 996 (17.8%) | 3536 (18.2%) |
 fair | 1689 (30.1%) | 5974 (30.8%) |
 hot | 1560 (27.8%) | 6040 (31.1%) |
 very hot | 1086 (19.4%) | 2965 (15.3%) |
Perception of bad indoor air quality | 742 (13.2%) | 1965 (10.1%) |
Perception of bad outdoor air quality | 5466 (21.9%) | 4063 (20.9%) |
Metabolic equivalent (MET) | ||
 0 | 2852 (50.9%) | 12,018 (61.9%) |
  > 0 and ≤ 8 | 2639 (47.1%) | 7361 (37.9%) |
  > 8 | 117 (2.1%) | 29 (0.1%) |