Gender (n=1344) | |
Male | 681 (50.7%) |
Female | 663 (49.3%) |
Ethnicity (n=1344) | |
Caucasian | 1216 (92.5%) |
Asian | 33 (2.5%) |
Black | 21 (1.6%) |
Mixed race | 27 (2.1%) |
Other | 7 (0.5%) |
Not reported | 40 |
Visible damp in the house (n=1344) | |
Damp in child’s bedroom | 111 (8.3%) |
Damp in bathroom | 164 (12.2%) |
Damp in kitchen | 78 (5.8%) |
Damp in living room | 203 (15.1%) |
Damp anywhere in house | 340 (25.3%) |
Environmental factors (n=1344) | |
Daycare attendance | 782 (58.2%) |
Breast fed >6 months | 685 (51.0%) |
Siblings | 812 (60.4%) |
Tobacco smoke | 181 (13.5%) |
Carpet in bedroom | 1069 (79.5%) |
Animals | 765 (56.9%) |
Dense traffic | 125 (9.3%) |
Solid fuel | 142 (10.6%) |
Maternal education level (n=1285) | |
Completed primary education | 58 (4.5%) |
Completed secondary education | 345 (26.8%) |
Further education | 388 (30.2%) |
Higher education | 494 (38.4%) |
Not reported | 59 |
Follow-up | |
0–12 months questionnaire | 1176 |
12–24 months questionnaire | 962 |
0–12 and 12–24 months questionnaires | 794 |
Questionnaire follow-up/included in analysis | 1344 |
Environmental factors for the demographic table were taken from the first survey in preference to the second. Gender and ethnicity data relate to the child.