Table 2.

Odds ratio of respiratory symptoms in childhood asthma age-wise

Variable		Age	%	OR (95% CI)	Value of p
Gender	Male	6–7	48.6	1.21 (0.67–2.18)	0.55
	Female		51.4
	Male	13–14	51.1	2.58 (1.37–4.86)	< 0.01
	Female		48.9		< 0.001
Ever wheeze		6–7	24.3	5.01 (2.74–9.17)	< 0.001
		13–14	11.4	6.27 (3.39–11.59)	< 0.001
Wheeze during the last 12 months		6–7	19.8	5.08 (2.76–9.35)	< 0.001
		13–14	7.6	6.75 (3.44–13.22)	0.061
Wheeze limiting breath		6–7	3.6	5.70 (2.34–13.95)	< 0.001
		13–14	4.2	2.06 (0.70–6.06)	< 0.001
Ever Asthma		6–7	3.7	47.19 (21.49–103.63)	< 0.001
		13–14	6.1	20.02 (12.49–32.09)	< 0.05
Wheeze after exercises		6–7	5.3	6.73 (3.17–14.27)	< 0.001
		13–14	12.5	2.75 (1.41–5.39)	0.13
Dry cough		6–7	16.2	2.08 (1.53–5.40)	0.84
		13–14	19.8	1.72 (0.90–3.29)	< 0.05
Family history of asthma in the father		6–7	5.5	2.37 (0.88–6.34)	0.69
		13–14	5.5	39.3 (1.42–8.08)	0.14
Family history of asthma in the mother		6–7	4.6	1.17 (0.27–5.06)	0.34
		13–14	6.9	1.98 (0.80–4.80)
Father's smoking		6–7	18.5	0.63 (0.26–1.51)	0.50
		13–14	27.1	1.24 (0.66–2.33)	0.60
Mother's smoking		6–7	0.6	1.06 (1.04–1.07)	0.08
		13–14	4.4	0.87 (0.66–1.15)
Other member at home smoking		6–7	4.4	0.52 (0.07–3.38)	0.52
		13–14	5.9	3.88 (1.69–8.87)	0.001
Sneezing and coughing after rising air pollution		6–7	63.13		0.001
		13–14	52.42		0.29
Food allergy		6–7	13.45		< 0.01
		13–14	39.51		0.08