HRs comparing risk of death for COVID-19 mortality in major nationality groups in Qatar relative to Qataris
| Pairwise comparison* | Cohort size | Deaths | Total follow-up time in person-years | Incidence rate of death per 1000 person-years (95% CI) | Unadjusted HR (95% CI) | Adjusted HR (95% CI)† |
| Bangladeshis versus Qataris | ||||||
| Bangladeshis | 91 282 | 51 | 97 020 | 0.53 (0.40 to 0.69) | 3.92 (2.13 to 7.22) | 4.00 (2.18 to 7.36) |
| Qataris | 91 282 | 13 | 96 980 | 0.13 (0.08 to 0.23) | ||
| Filipinos versus Qataris | ||||||
| Filipinos | 134 246 | 46 | 130 981 | 0.35 (0.26 to 0.47) | 3.54 (1.91 to 6.55) | 3.57 (1.93 to 6.61) |
| Qataris | 134 246 | 13 | 130 930 | 0.10 (0.06 to 0.17) | ||
| Indians versus Qataris | ||||||
| Indians | 233 577 | 46 | 218 735 | 0.21 (0.16 to 0.28) | 1.53 (0.97 to 2.43) | 1.54 (0.97 to 2.44) |
| Qataris | 233 577 | 30 | 218 451 | 0.14 (0.10 to 0.20) | ||
| Nepalese versus Qataris | ||||||
| Nepalese | 81 185 | 16 | 85 130 | 0.19 (0.12 to 0.31) | 5.33 (1.55 to 18.30) | 5.34 (1.56 to 18.34) |
| Qataris | 81 185 | 3 | 85 110 | 0.04 (0.01 to 0.11) | ||
| CMW population‡ versus Qataris | ||||||
| CMW population | 267 863 | 96 | 257 908 | 0.37 (0.30 to 0.45) | 1.85 (1.32 to 2.59) | 1.86 (1.32 to 2.60) |
| Qataris | 267 863 | 52 | 257 629 | 0.20 (0.15 to 0.26) | ||
| Urban population‡ versus Qataris | ||||||
| Urban population | 304 380 | 129 | 294 500 | 0.44 (0.37 to 0.52) | 1.24 (0.96 to 1.61) | 1.24 (0.96 to 1.61) |
| Qataris | 304 380 | 104 | 294 206 | 0.35 (0.29 to 0.43) | ||
*Cohorts were exact matched one-to-one by sex, 10-year age groups, comorbidity count, testing method (PCR vs rapid antigen testing) and calendar week of the SARS-CoV-2 test.
†Cox regression analysis adjusted for sex, 10-year age groups, comorbidity count, SARS-CoV-2 testing method (PCR vs rapid antigen testing) and calendar week of the SARS-CoV-2 test.
‡CMW population includes Bangladeshis, Indians, Nepalese, Pakistanis and Sri Lankans. Urban population includes all other expatriate nationalities residing in Qatar.
CMW, craft and manual worker.