Table 4

Health outcomes in association with (1) self-reported presence of cockroaches in apartment, (2) mould smell or visible mould in bedrooms or the living room and (3) dampness in the kitchen, bathroom or toilet

	Cockroaches						Mould						Dampness
	Yes	No					Yes	No					Yes	No
	Case/non-case*		OR†	95% CI	OR‡	95% CI	Case/non-case*		OR†	95% CI	OR‡	95% CI	Case/non-case*		OR†	95% CI	OR‡	95% CI
Good general health	40/14	233/64	0.77	0.34 to 1.74	0.36	0.14 to 0.93	25/11	248/67	0.61	0.25 to 1.50	0.32	0.11 to 0.96	161/55	112/23	0.59	0.21 to 1.12	0.60	0.29 to 1.22
Positive skin prick test	7/49	31/271	1.16	0.45 to 3.03	0.87	0.19 to 3.93	3/33	35/287	0.66	0.16 to 2.79	0.57	0.21 to 4.26	24/188	14/122	1.01	0.47 to 2.19	0.71	0.32 to 1.58
Current asthma	8/39	48/188	0.81	0.31 to 2.07	1.96	0.66 to 5.83	6/24	50/202	1.03	0.40 to 2.67	1.37	0.40 to 4.66	44/136	12/90	2.41	1.18 to 4.95	4.06	1.67 to 9.87
Asthma medication	6/43	48/212	0.61	0.24 to 1.52	0.82	0.21 to 1.93	5/26	49/229	0.91	0.34 to 2.41	0.79	0.27 to 2.34	42/150	12/105	2.44	1.28 to 4.64	2.81	1.23 to 6.39
≥2 instances of emergency care in the previous 3 months	10/45	31/266	1.93	0.78 to 4.78	4.88	1.63 to 14.63	6/30	35/281	1.51	0.47 to 4.90	1.32	0.38 to 4.58	27/191	14/120	1.19	0.55 to 2.57	1.47	0.51 to 4.24
≥2 colds in the previous 3 months	22/33	109/199	1.41	0.63 to 3.16	2.87	1.01 to 8.18	17/19	104/213	1.76	0.64 to 4.84	2.14	0.67 to 6.86	78/140	43/92	1.15	0.65 to 2.04	0.99	0.50 to 1.56
Otitis media in the previous 3 months	14/41	46/252	2.02	0.90 to 4.54	2.18	0.82 to 5.80	7/29	53/264	1.21	0.44 to 3.33	0.98	0.26 to 3.63	41/177	19/126	1.43	0.78 to 2.64	1.12	0.54 to 2.34
Headache	21/28	55/206	2.77	1.14 to 6.71	5.16	1.93 to 13.92	11/20	137/129	1.91	0.69 to 5.31	4.20	1.19 to 14.81	46/148	30/86	0.94	0.51 to 1.75	0.82	0.39 to 1.74
Stomach ache	19/30	74/179	1.30	0.59 to 2.90	2.44	0.90 to 6.59	10/21	93/188	0.98	0.38 to 2.54	1.61	0.51 to 5.03	65/130	38/89	1.02	0.56 to 1.84	1.25	0.62 to 2.52
Stress	8/41	16/242	2.19	0.58 to 8.64	–		3/27	39/227	1.05	0.22 to 5.07	–		11/182	13/101	0.53	0.19 to 1.50	–
Concentration difficulties	4/44	19/241	1.15	0.40 to 3.34	1.76	0.52 to 5.96	3/28	20/258	1.38	0.40 to 4.73	3.91	0.91 to 16.71	15/177	8/108	1.14	0.47 to 2.76	1.62	0.55 to 4.80
Difficulty falling asleep	11/38	23/240	2.90	1.23 to 6.81	8.61	2.52 to 29.43	4/27	30/251	1.28	0.43 to 3.80	2.40	0.66 to 8.76	19/176	15/102	0.74	0.33 to 1.64	0.92	0.36 to 2.34
Fatigue	14/35	43/220	1.68	0.64 to 4.38	2.85	0.89 to 9.17	9/22	48/233	1.91	0.66 to 5.50	2.30	0.60 to 8.87	36/159	21/86	1.10	0.53 to 2.30	1.35

Unadjusted ORs and their 95% CIs from logistic regression analysis.
*Children with an ‘yes’ in the health outcomes are denoted as cases and children with a ‘no’ are denoted as non-cases.
†Crude OR with family ID as a repeated subject.
‡OR adjusted for environmental tobacco smoke, water pipe use, incense, number of persons per room in the apartment, child's age, exclusive breast feeding, mother's age at birth, number of older siblings and maternal and paternal labour market participation (working full time or not).