. 2023 Feb 8;13:2263. doi: 10.1038/s41598-023-29121-x

Table 2.

Univariate analysis of wheeze and asthma with indoor environmental variables (n = 8153).

Factors	Wheeze				Asthma
Factors	Number of cases	%	χ²	P	Number of cases	%	χ²	P
Residence area
< 75m²	99	5.0	0.47	0.50	43	2.2	0.19	0.66
≥ 75m²	285	4.6	0.47	0.50	124	2.0	0.19	0.66
Carpet or floor bedding at home
Yes	66	6.9	11.37	< 0.01	42	4.4	29.36	< 0.01
No	318	4.4	11.37	< 0.01	125	1.7	29.36	< 0.01
Addition of new furniture before pregnancy
Yes	108	6.1	9.19	< 0.01	43	2.4	1.49	0.22
No	276	4.3	9.19	< 0.01	124	1.9	1.49	0.22
Home renovation before pregnancy
Yes	83	6.9	15.27	< 0.01	37	3.1	7.51	< 0.01
No	301	4.3	15.27	< 0.01	130	1.9	7.51	< 0.01
Mouldy or dampness before pregnancy
Yes	63	7.2	13.47	< 0.01	36	4.1	20.78	< 0.01
No	321	4.4	13.47	< 0.01	131	1.8	20.78	< 0.01
Addition of new furniture during pregnancy
Yes	72	8.3	27.37	< 0.01	31	3.6	11.05	< 0.01
No	312	4.3	27.37	< 0.01	136	1.9	11.05	< 0.01
Home renovation during pregnancy
Yes	51	8.7	22.18	< 0.01	21	3.6	7.33	< 0.01
No	333	4.4	22.18	< 0.01	146	1.9	7.33	< 0.01
Mouldy or dampness during pregnancy
Yes	54	7.9	17.07	< 0.01	29	4.3	18.02	< 0.01
No	330	4.4	17.07	< 0.01	138	1.8	18.02	< 0.01
Addition of new furniture at child’s aged 0–1 year
Yes	52	7.1	10.47	< 0.01	28	3.8	12.82	< 0.01
No	332	4.5	10.47	< 0.01	139	1.9	12.82	< 0.01
Home renovation at child’s aged 0–1 year
Yes	35	7.2	7.15	< 0.01	23	4.7	18.56	< 0.01
No	349	4.6	7.15	< 0.01	144	1.9	18.56	< 0.01
Mouldy or dampness at child’s aged 0–1 year
Yes	56	9.2	29.07	< 0.01	26	4.2	15.92	< 0.01
No	328	4.3	29.07	< 0.01	141	1.9	15.92	< 0.01
Use of air conditioning
Yes	115	4.5	0.36	0.55	50	2.0	0.16	0.69
No	269	4.8	0.36	0.55	117	2.1	0.16	0.69
Pet keeping in the child’s residence
Yes	63	4.6	1.62	0.20	32	2.8	3.46	0.06
No	321	5.4	1.62	0.20	135	1.9	3.46	0.06
Flowering plants grown in the child's residence
Yes	115	4.7	0.01	0.93	50	2.0	0.00	0.96
No	269	4.7	0.01	0.93	117	2.1	0.00	0.96
Pet keeping in the residence at child’s aged 0–1 year
Yes	50	7.6	13.14	< 0.01	24	3.6	9.03	< 0.01
No	334	4.5	13.14	< 0.01	143	1.9	9.03	< 0.01
Flowering plants grown in the residence at child’s aged 0–1 year
Yes	97	5.2	1.27	0.26	35	1.9	0.36	0.55
No	287	4.6	1.27	0.26	132	2.1	0.36	0.55
Passive smoking by child in current residence
Yes	179	6.0	18.10	< 0.01	72	2.4	3.30	0.07
No	205	4.0	18.10	< 0.01	95	1.8	3.30	0.07
Passive smoking by child at aged 0–1 year in residence
Yes	150	6.1	15.03	< 0.01	56	2.3	0.90	0.34
No	234	4.1	15.03	< 0.01	111	2.0	0.90	0.34
Passive smoking during pregnancy
Yes	128	6.2	13.98	< 0.01	55	2.7	5.35	0.02
No	256	4.2	13.98	< 0.01	112	1.8	5.35	0.02
Room cleaning frequency
Often	316	4.5	4.07	0.13	135	1.9	5.41	0.07
Occasionally	63	5.9			28	0.3
Very seldom	5	6.1			4	0.0
Family history of asthma
Yes	36	9.4	106.83	< 0.01	23	13.7	115.80	< 0.01
No	348	4.4	106.83	< 0.01	144	1.8	115.80	< 0.01