Table 3 Difference-in-differences analysis of Black-white, Latina-white, and Asian-white disparities in exclusive breastmilk feeding at discharge, COVID-19 pandemic versus pre-pandemic period
| Â | Pre-pandemic cohort (1/1/2019-2/28/2020) | Pandemic cohort (4/1/2020-7/31/2020) | Â | Â | Â | ||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Denominator | Cases (n) | Risk (%) | Denominator | Cases (n) | Risk (%) | Risk difference (%) | Lower 95% CL (%) | Upper 95% CL (%) |
Black versus white births | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Non-Latina white | 6171 | 2516 | 40.8 | 1668 | 778 | 46.6 | 5.9 | 3.2 | 8.6 |
   Non-Latina Black | 1303 | 294 | 22.6 | 372 | 94 | 25.3 | 2.7 | -2.3 | 7.7 |
   Difference |  |  | -18.2 |  |  | -21.4 | -3.2 | -8.8 | 2.5 |
   Adjusted Differencea |  |  |  |  |  |  | -3.0 | -8.2 | 2.1 |
Latina versus white births | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Non-Latina white | 6171 | 2516 | 40.8 | 1668 | 778 | 46.6 | 5.9 | 3.2 | 8.6 |
   Latina | 1927 | 388 | 20.1 | 537 | 115 | 21.4 | 1.3 | -2.6 | 5.2 |
   Difference |  |  | -20.6 |  |  | -25.2 | -4.6 | -9.3 | 0.2 |
   Adjusted Differencea |  |  |  |  |  |  | -6.3 | -10.8 | -1.9 |
Asian versus white births | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Non-Latina white | 6171 | 2516 | 40.8 | 1668 | 778 | 46.6 | 5.9 | 3.2 | 8.6 |
   Non-Latina Asian | 1244 | 347 | 27.9 | 349 | 125 | 35.8 | 7.9 | 2.3 | 13.5 |
   Difference |  |  | -12.9 |  |  | -10.8 | 2.1 | -4.2 | 8.3 |
   Adjusted Differencea |  |  |  |  |  |  | 0.5 | -5.8 | 6.7 |