Table 3 Exclusive breastfeeding trend at 3 and 6 months, after the implementation of the extended maternity leave (ML), the pay-for-performance (P4P) strategy, and the COVID-19 pandemic. Chile 2009–2020.
Outcome | %EBF change (95% CI) | |
|---|---|---|
3 months | 6 months | |
Extended maternity leave, 2011 | ||
EBF** slope change after ML† (β2) | 1.23 (− 0.18, 2.65) | 0.30 (− 1.19, 1.81) |
Change in EBF trend from Nov.2011–Dec.2014 relative to Jan.2009–Oct.2011 (β3) | 0.11 (0.05, 0.18) | 0.03 (− 0.03, 0.10) |
Post-intervention linear trend (monthly change from Nov.2011—Dec.2014) | 0.01 (− 0.03, 0.05) | 0.08 (0.03, 0.12) |
Primary healthcare strategy, 2015 | ||
EBF slope change after P4P‡ (β2) | 3.10 (2.03, 4.18) | 5.69 (4.61, 6.78) |
Change in EBF trend from Jan.2009–Dec. 2014 relative to Jan.2015–Nov.2020 (β3) | 0.07 (0.05, 0.10) | 0.08 (0.05, 0.11) |
Post-intervention linear trend (monthly change from Jan.2015–Nov.2020) | 0.05 (0.03, 0.07) | 0.15 (0.12, 0.17) |
COVID-19 Pandemic, 2020 | ||
EBF slope change after COVID-19 (β2) | − 4.51 (− 7.93, − 1.09) | − 2.16 (− 5.52, 1.19) |
Change in EBF trend from Jan. 2015–Mar.2020 relative to Apr. 2020–Nov.2020 (β3) | 0.21 (− 0.52, 0.94) | − 0.85 (− 1.56, − 0.13) |
Post-intervention linear trend (monthly change from Apr.2020–Nov.2020) | 0.28 (− 0.45, 1.02) | − 0.67 (− 1.39, 0.03) |
