Table 2.

Unadjusted and adjusted odds ratios (OR)*, confidence intervals (95% CI) and p-values for number of persons sharing the child's bedroom when all cases of lower respiratory disease were compared with neighbourhood controls.

Variables	Unadjusted OR (95% CI)	Adjusted OR * (95% CI)
No. of persons sharing the child's bedroom
< 4	1.00	1.00
≥4	1.17 (0.85–1.61)	1.09 (0.73–1.63)
LRT (1 df)	p = 0.33	p = 0.66

* adjusted for sex, age, immunisation status, current breast-feeding, attendance at crèche, family history of asthma or atopy, ventilation rated by child's mother, income per capita, house ownership, social class, and adequate sanitary arrangements