Table 4.
Univariable and multivariable Cox proportional hazard model for risk factors associated with COVID-19 deaths.
| Baseline characteristics | Univariable HR | P-Value | Multivariable HR | P-Value | |
|---|---|---|---|---|---|
| Age categories | 0−9 | Reference | – | ||
| 10−19 | 0.387(0.100−1.498) | 0.169 | 0.00 | 0.961 | |
| 20−29 | 1.423(0.640−3.163) | 0.387 | 0.479(0.057−4.001) | 0.497 | |
| 30−39 | 3.401(1.594−7.253) | 0.002 | 0.764(0.101−5.750) | 0.793 | |
| 40−49 | 12.940(6.125−27.399) | 0.00 | 2.138(0.290−15.768) | 0.456 | |
| 50−59 | 33.259(15.777−70.166) | 0.00 | 6.280(0.866−45.528) | 0.069 | |
| 60−69 | 69.789(33.102−147.519) | 0.00 | 9.597(1.308−70.409) | 0.026 | |
| 70−79 | 116.662(54.985−247.524) | 0.00 | 18.372(2.486−135.767) | 0.004 | |
| ≥80 | 206.961(97.020−441.485) | 0.00 | 27.620(3.554−214.637) | 0.002 | |
| Sex | Male | 1.150(1.028−1.287) | 0.015 | 1.486(1.015−2.177) | 0.042 |
| Nationality | Saudi | 0.674(0.607−0.747) | 0.00 | 0.608(0.426−0.867) | 0.006 |
| Occupation | Healthcare Worker | 0.124(0.085−0.182) | 0.00 | 1.054(0.582−1.907) | 0.863 |
| Region | Riyadh | 0.820(0.115−5.8460) | 0.843 | 0.622(0.078−4.944) | 0.653 |
| Jeddah | 2.444(0.344−17.379) | 0.372 | 1.287(0.167−9.907) | 0.808 | |
| Eastern Region | 0.296(0.041−2.125) | 0.226 | 0.304(0.034−2.730) | 0.288 | |
| Makkah | 2.133(0.300−15.169) | 0.449 | 0381(0.045−3.201) | 0.374 | |
| Medina | 1.749(0.245−12.473) | 0.577 | 1.638(0.204−13.157) | 0.643 | |
| Al Ahsa | 0.278(0.036−2.124) | 0.217 | 0.622(0.061−6.328) | 0.688 | |
| Taif | 0.691(0.095−5.034) | 0.715 | 2.258(0.264−19.350) | 0.457 | |
| Jazan | 0.949(0.125−7.219) | 0.960 | 9.853(1.153−84.205) | 0.037 | |
| Tabuk | 0.341(0.044−2.666) | 0.305 | 0.00 | 0.986 | |
| Al Qassim | 0.526(0.068−4.076) | 0.539 | 0.00 | 0.955 | |
| Aseer | 1.041(0.130−8.324) | 0.970 | 1.808(0.109−30.109) | 0.680 | |
| Northern Borders Region | 0.818(0.101−6.654) | 0.851 | 3.096(0.273−35.124) | 0.362 | |
| Hail | 0.808(0.099−6.564) | 0.851 | 4.684(0.456−48.148) | 0.194 | |
| Najran | 0.00 | 0.853 | 0.00 | 0.958 | |
| Al Qunfudhah | 2.187(0.255−18.716) | 0.475 | 0.00 | 0.994 | |
| Al Bahah | 0.432(0.045−4.154) | 0.467 | 4.560(0.428−48.573) | 0.209 | |
| Bisha | 0.00 | 0.903 | 0.00 | 0.992 | |
| Hafar Al Batin | 4.302(0.518−35.740) | 0.177 | 2.340(0.137−39.942) | 0.557 | |
| Al Jawf | 0.00 | 0.957 | 0.00 | 0.944 | |
| Al Qurayyat | Reference | – | Reference | ||
| Travel related exposure | Yes | 13.909(9.091−21.280) | 0.00 | 10.213(6.226−16.752) | 0.00 |
| Symptomatic | Yes | 8.759(7.048−10.887) | 0.00 | 3.459(1.539−7.772) | 0.003 |