MAPCAH
Participants
N=644
Non-consent N=228 P value comparing MAPCAH participants and Non-consent
Male
Age (Yrs) – mean SD
407 (63%)
5.2 ± 3.3
144 (63%)
4.4 ± 2.8
0.9912
Age (Yrs – categories)
2 to 4
5 to 10
11 +

352 (55%)
228 (35%)
64 (10%)

154 (67%)
65 (29%)
9 (4%)

0.0007
0.0582
0.0050
First presentation asthma
  •No
  •Yes

486 (75%)
158 (25%)

171 (75%)
57 (25%)


0.8885
Admission during the pollen season (Oct to Jan)
  •No
  •Yes

373 (58%)
271 (42%)

151 (66%)
77 (34%)


0.0277
Season of admission
  •Autumn
  •Winter
  •Spring
  •Summer

163 (25%)
119 (18%)
210 (33%)
152 (24%)

59 (26%)
52 (23%)
71 (31%)
46 (20%)

0.8660
0.1571
0.6835
0.2885
Table 2: Comparison of MAPCAH clinical cohort with non-participants.