From: Associations of physical activity with childhood asthma, a population study based on the WHO - health behaviour in school-aged children survey
PA (h per wk.)
Boys (n)
Girls (n)
P a
Low (0–1)
16.4 (26)
27.2 (47)
= 0.296
Mod (2–3)
28.3 (45)
36.4 (63)
= 0.509
High (4–7+)
55.4 (88)
= 0.749
P b
= 0.025
= 0.229