Skip to main content
. 2019 Aug 14;74(9):849–857. doi: 10.1136/thoraxjnl-2018-212979

Table 3.

Housing quality indices: numbers of subjects (cases and controls) in the study; crude (unadjusted) ORs relative to a reference value; aORs controlling for season, housing tenure, socioeconomic status and household crowding

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.