Characteristics of 1343 childhood households according to social class of head of household (1931 classification)
| Household characteristic | Social class | Missing observations number (%) | p Value for trend1-150 | |||||
|---|---|---|---|---|---|---|---|---|
| I/II | III | IV | V | Unemployed | Unknown | |||
| Number of households | 124 | 268 | 299 | 194 | 343 | 115 | — | |
| Mean number of residents (SD) | 4.13 (2.43) | 5.08 (2.41) | 5.56 (2.04) | 6.18 (2.56) | 6.36 (2.41) | 4.81 (2.62) | 0 (0.0) | <0.001 |
| Mean crowding index (SD) | 1.18 (0.77) | 1.65 (0.92) | 1.84 (0.84) | 2.18 (1.05) | 2.56 (1.33) | 1.86 (0.84) | 174 (13.0) | <0.001 |
| Proportion with in house running water | 81.4 | 81.4 | 64.8 | 76.0 | 79.6 | 76.6 | 354 (26.4) | 0.001 |
| Proportion with in house flush toilet (not shared) | 59.2 | 55.4 | 25.6 | 37.8 | 35.8 | 36.7 | 382 (28.4) | <0.001 |
| Proportion with very good ventilation | 89.4 | 81.7 | 76.3 | 72.5 | 56.9 | 77.6 | 117 (8.7) | <0.001 |
| Proportion of households with “poor” cleanliness | 44.8 | 54.3 | 62.6 | 64.3 | 66.7 | 69.3 | 104 (7.7) | <0.001 |
↵1-150 Test for linear trend using linear regression for comparison of means, and χ2 test for comparison of proportions. The category of unknown social class was omitted for trend tests.