Table 3.
Observational dampness scores by school and floor
| N of rooms > zero scores (%) | Observational dampness score
|
||||
|---|---|---|---|---|---|
| Median | Mean (s.d.) | Pairwise comparisona
|
|||
| Pair | P-value | ||||
| School | |||||
| Primary (P) | 78 (62.8) | 0.25 | 0.50 (0.69) | P-M | NS |
| Middle (M) | 77 (71.4) | 0.50 | 0.78(1.05) | M-H | <0.05 |
| High (H) | 64 (53.1) | 0.18 | 0.36 (0.48) | H-P | NS |
| Room floor | |||||
| Basement (0) | 17 (88.2) | 1.00 | 1.48 (1.58) | 0–1 | <0.01 |
| 1st floor (1) | 164 (58.5) | 0.20 | 0.45 (0.67) | 1–2 | NS |
| 2nd floor (2) | 38 (71.1) | 0.71 | 0.64 (0.55) | 2-0 | NS |
Mean = arithmetic mean; s.d., standard deviation; NS, not significant, P > 0.05.
a
Kruskal–Wallis nonparametric analysis of variance with a multiple comparison test (Dunn’s method).