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. 2014 Sep;14(3):707–715. doi: 10.4314/ahs.v14i3.29

Table 3.

Bivariate analysis of the risk factors for asthma exacerbations in the study patients

Variables Cases(N=43)
n(%)
Controls(N=43)
n(%)
Odds
ratio
CI P
Value
Age(Mean±SD) 32.9±14.3 39.0±18.48 0.044
Education 0.354
No formal education 1(2.3) 2(4.7)
Primary education 20(46.5) 15 (34.9) 3.286 0.025–424.749 0.632
O'level 17 (39.5) 17 (39.5) 0.894 0.007–116.252 0.964
A'level 0 3 (7.3) 0.000 0.000 0.999
Tertiary 5 (11.6) 6 (14.0) 4.986 0.026–958.217 0.549
URTI yes 24 (55.8) 16 (37.2) 2.132 0.899–5.053 0.086
No 19(44.2) 27(62.8)
Living with pets Yes 17 (39.5) 15 (34.9) 0.819 0.341–1.967 0.656
No 26(60.5) 28(65.1)
Smoking
Active Smoking Yes 4 (9.3) 2 (4.7) 0.476 0.082–2.745 0.406
No 39(90.7) 41(95.3)
Passive smoking Yes 17 (39.5) 9(20.9) 0.405 0.156–1.053 0.064
No 26(60.5) 34(79.1)
Strong emotions
Anger Yes 16 (37.2) 11 (25.6) 0.580 0.231–1.460 0.247
No 27(62.8) 32(74.4)
Excitement Yes 11 (25.6) 4 (9.3) 0.298 0.087–1.027 0.055
No 32(74.4) 39(90.7)
Anxiety Yes 7 (16.3) 5 (11.6) 0.677 0.197–2.326 0.535
No 36(83.7) 38(88.4)
In–house wood burning
or charcoal stoves
Yes 32 (74.4) 33 (76.7) 0.882 0.329–2.360 0.802
No 11(25.6) 10(23.3)

Variables Cases(N=43) Controls(N=43) Odds
ratio
CI P
Value

Rainy Weather Yes 29 (67.4) 30 (69.8) 0.898 0.361–2.233 0.816
No 14(32.6) 13(69.8)
Exercise Yes 14 (32.6) 10 (23.3) 1.593 0.615–4.130 0.338
No 29(67.4) 33(76.7)
NSAIDS Yes 5 (10.5) 4 (9.3) 1.283 0.320–5.143 0.725
No 38(88.4) 39(90.7)
Beta–blockers Yes 0 2 (4.7) 0.000 0.000 0.999
No 43(100) 41(95.3)
Used corticosteroids Yes 11(25.6) 38 (88.4) 0.019 0.011–0.144 <0.001
No 32(74.4) 5(11.6) 22.109 6.952–70.315 <0.001
Used inhaled
corticosteroids
Yes 4(9.3) 22(51.2)
No 39(90.7) 21(48.8) 10.214 3.107–33.579 <0.001
Used oral corticosteroids Yes 9(20.9) 32(74.4)
No 32(79.1) 11(25.6) 10.990 4.025–30.009 <0.001
Adherent to medication Yes 17(39.5) 19(44.2) 0.826 0.350–1.948 0.662
No 26(60.5) 24(55.8)