Table 2.

The prevalence and severity of rhinitis symptoms among schoolchildren.

				Age Group
	6–7 years				13–14 years
Symptom	Overall	Male n = 1673	Female n = 1764	P value	Overall	Male n = 1973	Female n = 2015	P value
Rhinitis symptoms ever
No.	675	320	332		1574	759	773
(%) of all participants	(18.7%)	(19.1%)	(18.8%)	0.951	(38.5%)	(38.5%)	(38.4%)	0.100
Hay fever ever
No.	170	67	95		531	268	253
(%) of all participants	(4.7%)	(4.0%)	(5.4%)	0.009a	(13.0%)	(13.6%)	(12.6%)	0.072
Current rhinitis symptoms
No.	515	246	248		1237	588	613
(%) of all participants	(14.3%)	(14.7%)	(14.1%)	0.532	(30.3%)	(29.8%)	(30.4%)	0.639
Current rhinoconjunctivitis symptoms
No.	203	93	102		574	244	314
(%) of all participants	(5.6%)	(5.6%)	(5.8%)	0.777	(14.0%)	(12.4%)	(15.6%)	0.003a
(%) of those with current rhinitis	(39.4%)	(37.8%)	(41.1%)	0.450	(46.4%)	(41.5%)	(51.2%)	0.001a
Severe rhinoconjunctivitis in past 12 months
No.	18	8	9		55	28	26
(%) of all participants	(0.5%)	(0.5%)	(0.5%)	0.894	(1.3%)	(1.4%)	(1.3%)	0.725
(%) of current rhinoconjunctivitis	(8.9%)	(8.6%)	(8.8%)	0.956	(9.6%)	(11.5%)	(8.3%)	0.205
Hay fever confirmed by a doctor
No.	85	29	53		177	95	77
(%) of all participants	(2.4%)	(1.7%)	(3.0%)	0.029a	(4.3%)	(4.8%)	(3.8%)	0.123
(%) of hay fever ever	(50.0%)	(43.3%)	(55.8%)	0.100	(33.3%)	(35.4%)	(30.4%)	0.224

^aSignificant