Table 2. Impact of the war on asthma indicators (in the past twelve months), among adolescents in the Global Asthma Network Phase I (GAN Phase I) in Syria.

Risk factor	Reply	Number of respondents	Wheeze in past 12 months			Ever had asthma			Severe asthma symptoms in past 12 months			Exercise wheeze in past 12 months			Night cough in past 12 months
			%	P value		%	P value		%	P value		%	P value		%	P value
Are you more exposed to passive smoking of water-pipe after the war?	Yes	741	23.35	0.0001		13.23	0.065		12.82	0.076		36.57	0.0001		54.12	0.0001
	No	1,158	16.49			10.45			10.19			25.91			42.06
Are you more exposed to passive smoking of cigarette after the war?	Yes	839	22.29	0.005		12.28	0.434		13.11	0.144		35.52	0.0001		52.56	0.0001
	No	1,114	17.24			11.13			10.95			25.22			42.1
Are you internally displaced?	Yes	556	21.4	0.288		14.21	0.074		14.39	0.069		30.22	0.622		51.98	0.0001
	No	1,758	19.34			11.38			11.49			29.12			41.98
Does your wheezing appear after the war?	Yes	92	56.52	0.0001		30.43	0.0001		40.22	0.0001		58.7	0.0001		76.09	0.0001
	No	579	17.96			11.23			10.88			28.32			46.8
Does your wheezing become more frequent or more severe after the war?	Yes	78	53.8	0.0001		34.62	0.0001		41.03	0.0001		57.69	0.0001		67.95	0.002
	No	542	17.53			10.52			9.96			27.12			48.89
Have you been exposed to new pollutants, or chemicals after the war?	Yes	62	72.58	0.0001		45.16	0.0001		50	0.0001		66.13	0.0001		77.42	0.0001
	No	1,554	18.66			10.88			10.36			31.34			49.29