Table 3.

Adjusted odds ratios (OR) and confidence intervals (95% CI) for number of persons sharing the child's bedroom for cases of asthma and cases of infection compared with neighbourhood controls.

NEIGHBOURHOOD CONTROLS
	No. of persons sharing the child's bedroom *
	< 4	≥4	OR** (95% CI)
ASTHMA CASES
No. of persons sharing the child's bedroom *
< 4	23	39	1.00
≥4	29	41	0.42 (0.21–0.87)
CASES OF INFECTION
No. of persons sharing the child's bedroom *
< 4	15	13	1.00
≥4	30	28	2.50 (1.02–6.09)

* number of case-control pairs ** adjusted for the same variables presented in Table 2 LRT: p = 0.001