Table 4.
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 | 145 | 97 020 | 1.49 (1.27 to 1.76) | 0.53 (0.44 to 0.65) |
0.53 (0.44 to 0.65) |
Qataris | 91 282 | 271 | 96 980 | 2.79 (2.48 to 3.15) | ||
Filipinos versus Qataris | ||||||
Filipinos | 134 246 | 131 | 130 981 | 1.00 (0.84 to 1.19) | 0.56 (0.45 to 0.69) |
0.56 (0.45 to 0.69) |
Qataris | 134 246 | 235 | 130 930 | 1.79 (1.58 to 2.04) | ||
Indians versus Qataris | ||||||
Indians | 233 577 | 199 | 218 735 | 0.91 (0.79 to 1.05) | 0.38 (0.32 to 0.45) |
0.38 (0.32 to 0.44) |
Qataris | 233 577 | 523 | 218 451 | 2.39 (2.20 to 2.61) | ||
Nepalese versus Qataris | ||||||
Nepalese | 81 185 | 65 | 85 130 | 0.76 (0.60 to 0.97) | 0.51 (0.38 to 0.68) |
0.51 (0.38 to 0.68) |
Qataris | 81 185 | 128 | 85 110 | 1.50 (1.26 to 1.79) | ||
CMW population‡ versus Qataris | ||||||
CMW population | 267 863 | 412 | 257 908 | 1.60 (1.45 to 1.76) | 0.52 (0.46 to 0.58) |
0.51 (0.45 to 0.58) |
Qataris | 267 863 | 798 | 257 629 | 3.10 (2.89 to 3.32) | ||
Urban population‡ versus Qataris | ||||||
Urban population | 304 380 | 877 | 294 500 | 2.98 (2.79 to 3.18) | 0.70 (0.64 to 0.77) |
0.70 (0.64 to 0.76) |
Qataris | 304 380 | 1248 | 294 206 | 4.24 (4.01 to 4.48) |
*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.