Table 2: Child-associated risk factors for asthma in relation to asthma phenotypes, as compared to subjects with no asthma.

VariableNA1 (%)EOA2 (%)LOA3 (%)

Gender
 Female141 (44.3)6 (54.5)25 (83.3)
 Male177 (55.6)5 (55.5)5 (16.7)
value40.549<0.001
value5<0.001

Mother with a history
of asthma
 No289 (93.0)7 (70.0)24 (82.8)
 Yes22 (7.0)3 (30.0)5 (17.2)
value40.0350.067
value50.016

Father with a history
of asthma
 No287 (94.7)7 (70.0)27 (96.4)
 Yes16 (5.3)3 (30.0)1 (3.6)
value40.0171.000
value50.020

A history of eczema during the first 7
years of age
 No213 (68.1)2 (18.2)20 (66.7)
 Yes100 (31.9)9 (81.8)10 (33.3)
value40.0010.877
value50.003

Sensitisation by 7 years
of age
 No235 (77.8)4 (36.4)14 (53.8)
Yes67 (22.2)7 (63.6)12 (46.2)
value40.0050.014
value5<0.001

Number of colds during the first year of life
≤5265 (92.7)5 (50.0)21 (87.5)
 >5 21 (7.3)5 (50.0)3 (12.5)
value40.0010.414
value5<0.001

1No asthma, 2early onset asthma, 3late onset asthma.
4As compared to no asthma, value based on chi-square, or Fisher’s Exact Test.
5Between groups, value based on Exact Test.