Table 5.
Results of multiple survival regression models across COVID-19 waves.
| Hazard ratio (95% CI) |
||||
|---|---|---|---|---|
| First wave | Second wave | Third wave | Fourth wave | |
| Indigenous (Comparison = Non-indigenous) |
1.09*** (1.03, 1.14) |
1.04 (0.98, 1.11) |
1.13** (1.06, 1.21) |
1.03 (0.87, 1.22) |
| Sex (Comparison = Female) |
1.32*** (1.30, 1.34) |
1.26*** (1.24, 1.28) |
1.19*** (1.17, 1.22) |
1.25*** (1.20, 1.30) |
| Age | 1.03*** (1.03, 1.03) |
1.03*** (1.03, 1.03) |
1.02*** (1.02, 1.02) |
1.03*** (1.03, 1.03) |
| 1-2 comorbidity (Comparison = No comorbidity) |
2.69*** (2.62, 2.77) |
2.06*** (2.01, 2.11) |
1.93*** (1.87, 2.00) |
1.88*** (1.76, 2.00) |
| 3 or more comorbidity (Comparison = No comorbidity) |
3.69*** (3.58, 3.80) |
2.58*** (2.51, 2.65) |
2.41*** (2.32, 2.50) |
2.25*** (2.09, 2.41) |
| (Type of care) * (time in days from symptom onset to seeking care) | ||||
| Time in days from symptom onset to seeking care (for outpatients) | 1.04*** (1.03, 1.04) |
1.07*** (1.07, 1.08) |
1.03** (1.01, 1.05) |
1.11*** (1.08, 1.15) |
| Time in days from symptom onset to seeking care (for hospitalized) | 0.96*** (0.96, 0.96) |
0.97*** (0.97, 0.97) |
0.98*** (0.98, 0.98) |
1.00 (0.99, 1.01) |
| Type of care, when time from symptom onset to care=0 (Comparison = Outpatient) |
21.57*** (20.70, 22.48) |
43.62*** (41.64, 45.70) |
67.95*** (61.32, 75.30) |
73.20*** (62.93, 85.15) |
| Akaike information criterion | 2,038,299.00 | 2,312,173.70 | 881,563.05 | 198,461.41 |
CI, confidence interval