Factor level | Cases n (%) | Controls n (%) | Crude OR (95% CI) | aOR (95% CI) |
N=188 | N=454 | |||
RHI* | ||||
0 | 9 (5) | 20 (4) | Reference value | Reference value |
1 | 23 (12) | 73 (16) | 0.70 (0.28 to 1.75) | 0.75 (0.28 to 2.00) |
2 | 43 (23) | 110 (24) | 0.87 (0.37 to 2.06) | 0.76 (0.30 to 1.91) |
3 | 37 (20) | 91 (24) | 0.90 (0.38 to 2.17) | 0.76 (0.23 to 1.93) |
4 | 22 (12) | 62 (14) | 0.79 (0.31 to 1.99) | 0.65 (0.24 to 1.77) |
5 | 24 (12) | 52 (11) | 1.03 (0.41 to 2.58) | 0.76 (0.28 to 2.05) |
6 | 12 (6) | 28 (6) | 0.95 (0.34 to 2.69) | 0.72 (0.23 to 2.25) |
7 | 9 (5) | 13 (3) | 1.54 (0.48 to 4.90) | 0.95 (0.27 to 3.27) |
8+ | 9 (5) | 5 (1) | 4.00 (1.04 to 15.38) | 3.06 (0.72 to 13.06) |
RHI as continuous outcome (per unit increase) | 1.11 (1.01 to 1.21) | 1.04 (0.94 to 1.15) | ||
DMI* | ||||
0 | 32 (17) | 114 (25) | Reference value | Reference value |
1 | 49 (26) | 147 (32) | 1.19 (0.71 to 1.97) | 1.13 (0.66 to 1.19) |
2 | 41 (22) | 75 (17) | 1.95 (1.13 to 3.36) | 1.70 (0.95 to 3.05) |
3 | 27 (14) | 61 (13) | 1.58 (0.87 to 2.87) | 1.16 (0.61 to 2.22) |
4 | 20 (11) | 40 (9) | 1.78 (0.92 to 3.46) | 1.44 (0.71 to 2.92) |
5 | 13 (7) | 13 (3) | 3.56 (1.50 to 8.44) | 2.82 (1.11 to 7.16) |
6+ | 4 (1) | 6 (3) | 5.34 (1.42 to 20.09) | 3.19 (0.78 to 13.11) |
DMI as continuous outcome (per unit increase) | 1.23 (1.10 to 1.38) | 1.15 (1.02 to 1.30) |
Bold figures indicate that the results are statistically significant at the level of 5%
*See Table 2 for components of the RHI and the DMI.
aOR, adjusted OR; DMI, Damp–Mould Index; RHI, Respiratory Hazard Index.