Table 3.
Estimated effect of nationwide and Pune regional lockdowns on weekly incident COVID-19 patients using Poisson regression in Pune India, overall and by population characteristicsa.
| Incidence Risk Ratio (95% CI)b | ||
|---|---|---|
| Nationwide Lockdown | Pune Regional Lockdown | |
| Overall | 0.57 (0.53 – 0.62) | 0.78 (0.73 – 0.84) |
| Sex | ||
| Male | 0.58 (0.53 – 0.63) | 0.74 (0.68 – 0.80) |
| Female | 0.56 (0.51 – 0.62) | 0.75 (0.69 – 0.82) |
| Age | ||
| < 18 years | 1.02 (0.99–1.05) | 0.93 (0.83 – 1.04) |
| ≥ 18 years | 0.99 (0.98–1.01) | 0.94 (0.90 – 0.99) |
| Population density, persons per square Km | ||
| High > 15,000 | 0.54 (0.48–0.61) | 0.70 (0.63 – 0.78) |
| Low average < 15,000 | 0.59 (0.53–0.65) | 0.82 (0.75 – 0.90) |
| Proportion residing in slum areas | ||
| > 50% | 0.58 (0.46–0.74) | 0.79 (0.63–0.98) |
| < 50% | 0.57 (0.52–0.62) | 0.78 (0.72–0.84) |
a Pre-Lockdown (Feb 1 to March 24, 2020); Nationwide Lockdown (March 25 to May 31, 2020); Unlock 1–2 (June 1 to July 13, 2020); Regional Lockdown (July 14 to July 23, 2020); Unlock 2 (July 24 to July 31, 2020); Unlock 3– (September 1 to September 30, 2020).
b Compared to Unlock 3–4.