From: Community-based maternal and child health project on 4+ antenatal care in the Democratic Republic of Congo: a difference-in-differences analysis
Group
Time
Baseline (2014)
Endline (2017)
Intervention (①)
α + γ + Χ + ε
α + γ + β + δ + Χ + ε
Control(②)
α + Χ + ε
α + β + Χ + ε
Difference(①-②)
γ
γ + δ
Intervention effect
δ