Table 1 Associations between viral infections with aeroallergen IgE, skin test reactivity (SPT) and asthma
Variables N = 1296 | Total population n = 1296 | Number and percentage of children positive for the outcomes | |||||
|---|---|---|---|---|---|---|---|
IgE ≥ 0.70 n = 489 (37.7%) | SPT n = 391 (30.2%) | Asthma n = 295 (22.8%) | |||||
n (%) | n (%) | p-value | n (%) | p-value | n (%) | p-value | |
Gender | |||||||
Male | 697(53.8) | *306(43.9) | <0.001 | 233(33.4) | 0.006 | 164(23.5) | 0.477 |
Age (years) | |||||||
4-6 | 333(25.7) | 123(36.9) | 0.914 | 92(27.6) | 0.230 | 113(33.9) | <0.001 |
6 and 7 | 531(41.0) | 200(37.7) | 156(29.4) | 117(22.0) | |||
7-11 | 432(33.3) | 166(38.4) | 143(33.1) | 65(15.0) | |||
Parental asthma | 173(13.3) | 57(32.9) | 0.163 | 50(28.9) | 0.696 | 61(35.3) | <0.001 |
Sibling n o. | |||||||
0 | 241(18.6) | 98(40.7) | 0.683 | 78(32.4) | 0.213 | 54(22.4) | 0.936 |
1 | 459(35.4) | 167(36.4) | 148(32.2) | 109(23.7) | |||
2 | 306(23.6) | 118(38.6) | 91(29.7) | 67(21.9) | |||
3 or more | 290(22.4) | 106(36.6) | 74(25.5) | 65(22.4) | |||
Mother's education | |||||||
Illiterate | 177(13.7) | 74(41.8) | 0.616 | 50(28.2) | 0.570 | 54(30.5) | 0.025 |
Primary complete | 444(34.3) | 160(36.0) | 126(28.4) | 102(23.0) | |||
Secondary incomplete | 289(22.3) | 109(37.7) | 90(31.1) | 66(22.8) | |||
Secondary complete | 386(29.8) | 146(37.8) | 125(32.4) | 73(18.9) | |||
Daycare ever Yes | 208(16.0) | 77(37.0) | 0.817 | 53(25.5) | 0.108 | 61(29.3) | 0.014 |
Smoker at home | 355(27.4) | 127(35.8) | 0.372 | 99(27.9) | 0.272 | 88(24.8) | 0.285 |
Sewage system Yes | 1073(82.8) | 414(38.6) | 0.165 | 327(30.5) | 0.599 | 242(22.6) | 0.694 |
Change bed linen1 × week | 573(44.2) | 212(37.0) | 0.628 | 173(30.2) | 0.988 | 137(23.9) | 0.381 |
Cat at home Yes | 230(17.7) | 83(36.1) | 0.570 | 61(26.5) | 0.184 | 66(28.7) | 0.018 |
Dog at home Yes | 513(39.6) | 187(36.5) | 0.442 | 147(28.7) | 0.336 | 129(25.1) | 0.098 |
Mold/moisture at home | 841(64.9) | 318(37.8) | 0.935 | 253(30.1) | 0.926 | 210(25.0) | 0.010 |
Seropositivity | |||||||
Herpes simplex | 712(54.9) | 254(35.7) | 0.092 | 185(26.0) | <0.001 | 158(22.2) | 0.588 |
Varicella zoster | 588(45.4) | 216(36.7) | 0.500 | 171(29.1) | 0.437 | 132(22.4) | 0.806 |
Epstein-Barr | 1149(88.7) | 423(36.8) | 0.057 | 333(29.0) | 0.009 | 258(22.5) | 0.460 |
Hepatitis A | 224(17.3) | 80(37.7) | 0.493 | 65(29.0) | 0.680 | 50(22.3) | 0.863 |