Associations of physical activity with childhood asthma, a population study based on the WHO - health behaviour in school-aged children survey

Table 1 Characteristics of all study participants (%) by gender

	Boys (n)	Girls (n)	P
	48.7 (2348)	51.3 (2476)
Participants by grade			= 0.462
5	35.6 (836)	37.0 (916)
7	34.4 (807)	32.8 (812)
9	30.0 (705)	30.2 (748)
Wheeze^AS	14.2 (333)	17.2 (426)	= 0.003
Mis	1.3 (31)	1.6 (40)
Doctor /or hospital consultation for wheeze^AS	6.4 (151)	7.0 (172)	= 0.481
Mis	1.0 (23)	0.9 (21)
Ever asthma	14.3 (336)	12.8 (316)	= 0.120
Mis	0.8 (18)	0.9 (22)
Current asthma	6.8 (160)	7.0 (173)	= 0.806
Mis	2.3 (53)	2.3 (58)
Low PA (0-1 h/week)	24.5 (568)	33.1 (810)	< 0.001
Mis	1.1 (25)	1.1 (28)

AS Asthma symptom past 12 months, H Hour, Mis Missing, N Number, Ns Non-significant, P Probability of difference between genders (Pearson chi²), PA Physical activity

ISSN: 2054-7064