Table 1 Descriptives of background variables, predictors and outcome variables from the raw data by indoor environment context
From: Dampness and student-reported social climate: two multilevel mediation models
|  | Schools without dampness and mould (N = 162) | Schools with dampness and mould (N = 60) | X2/F-Test | P-value | ||||
|---|---|---|---|---|---|---|---|---|
Mean (SD) / % | Min.–max. | N | Mean (SD) / % | Min.–max. | N |  |  | |
Subjective IAQ | 1.83 (0.62) | 1–3 | 17,474 | 1.95 (0.62) | 1–3 | 7312 | 207.02a | < 0.001 |
Teacher-student relationships | 2.27 (0.61) | 1–4 | 17,276 | 2.28 (0.61) | 1–4 | 7235 | 0,61a | 0,435 |
School spirit | 2.06 (0.60) | 1–4 | 17,360 | 2.05 (0.58) | 1–4 | 7280 | 1,66a | 0,198 |
Gender (female %) | 51 | Â | 8955 | 52 | Â | 3876 | 6.55 | 0.010 |
Age (years) | 14.86 (0.72) | 14–18 | 17,703 | 14.84 (0.72) | 14–18 | 7398 | 5.31a | 0.021 |
Father’s education | ||||||||
 Primary level | 9 |  | 1402 | 9 |  | 610 | 3.95 | 0.267 |
 Secondary level | 34 |  | 5203 | 32 |  | 2127 |  |  |
 Secondary level and additional education | 22 |  | 3442 | 22 |  | 1445 |  |  |
 Tertiary level | 35 |  | 5432 | 36 |  | 2375 |  |  |
School size (students per school) | 398.41 (222.15) | 62–1032 | 162 | 425.37 (206.78) | 28–1013 | 60 | 0.67 a | 0.414 |