Table 3.
Bivariate and multivariable logistic regression analyses of acute asthma attack among adult asthmatic patients visiting general hospitals of central zone, Tigray, Ethiopia, 2019
| Variables | Cases n (%) | Control n (%) | Crude OR | Adjusted OR | P-value | |
|---|---|---|---|---|---|---|
| Education Status | No read& write | 14(14.6) | 32(16.6) | 1 | ||
| read & write | 12(12.5) | 52(26.9) | 0.527(0.217,1.282) | 0.690 (0.214,2.225) | 0.535 | |
| Primary school | 15(15.6) | 26(13.5) | 1.319(0.540,3.222) | 0.730 (0.213,2.503) | 0.617 | |
| Secondary school | 23(24) | 35(18.1) | 1.502(0.662,3.408) | 1.539 (0.520,4.558) | 0.436 | |
| Collage & above | 32(33.3) | 48(24.9) | 1.524(0.705,3.295) | 2.181 (0.776,6.129) | 0.139 | |
| Vigorous Activity | Yes | 36(37.5) | 46(23.8) | 1.917(1.129,3.256) | 1.733 (0.825,3.639) | 0.147 |
| No | 60(62.5) | 147(76.2) | 1 | 1 | ||
| Exercise | Yes | 70(72.9) | 112(58) | 1.947(1.142,3.319) | 1.171(0.577,2.377) | 0.663 |
| No | 26(27.1) | 81(42) | 1 | 1 | ||
| Season | Autumn | 27(28.1) | 62(32.1) | 1 | 1 | |
| Winter | 10(10.4) | 28(14.5) | 0.820(0.350,1.922) | 0.900 (0.317,2.557) | 0.843 | |
| Spring | 48(50) | 61(31.6) | 1.807(1.002,3.257) | 2.204(1.011,4.805) | 0.047** | |
| Summer | 11(11.5) | 42(21.8) | 0.601(0.269,1.343) | 0.599(0.217,1.653) | 0.322 | |
| Exposed to dust | Yes | 87(90.6) | 159(82.4) | 2.067(0.948,4.509) | 2.702 (0.923,7.912) | 0.070 |
| No | 9(9.4) | 34(17.6) | 1 | 1 | ||
| Window | Yes | 76(79.2) | 163(84.5) | 1 | 1 | |
| No | 20(20.8) | 30(15.5) | 1.556(0.824,2.935) | 1.384(0.573,3.344) | 0.470 | |
| Kitchen smoke | Yes | 65(67.7) | 154(79.8) | 1 | 1 | |
| No | 31(32.3) | 39(20.2) | 1.883(1.083,3.276) | 2.307(1.010,5.2725) | 0.047** | |
| URTI | Yes | 43(44.8) | 26(13,5) | 5.211(2.927,9.277 | 6.835(3.285,14.222) | <.001** |
| No | 53(55.2) | 167(86.5) | 1 | 1 | ||
| Sleep apnea | Yes | 28(29.2) | 10(5.2) | 7.535(3.476,16.337) | 9.524(3.563,25.460) | <.001** |
| No | 68(70.8) | 183(94.8) | 1 | |||
| Missing follow up | Yes | 30(31.3) | 40(20.7) | 1.739(0.999,3.027) | 1.946(0.929,4.075) | 0.078 |
| No | 66(68.8) | 153(79.3) | 1 | 1 | ||
Key: * Indicates risk factors for asthma exacerbations in bivariate analysis.
** Indicates factors associated with asthma exacerbation at multivariate analysis