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Table 4 Difference-in-differences analysis assessing treatment effect modification among Namibian villages between baseline and midline

From: Malaria control across borders: quasi-experimental evidence from the Trans-Kunene malaria initiative (TKMI)

OutcomeFever episode in 2 weeks prior to survey
Linear probability modelLogistic model
(1)(2)
Posta− 0.053 (− 0.165 to 0.059)0.698 (0.338 to 1.444)
Post × complementary angolan programme effort− 0.170** (− 0.337 to − 0.003)0.377 (0.135 to 1.049)
Observations706706
R-squared0.039 
  1. Multivariable regression results from a difference-in-differences analysis. Column 1 and Column 2 show results based on a linear probability model and logistic regression model respectively. Although not shown in the table, the models control for an indicator of Namibian villages adjacent to Phase I Angolan areas at baseline. Constant terms from the two models are also not shown in the table. Data for this analysis is restricted to Namibian households surveyed at baseline and midline
  2. 95% confidence intervals shown in parentheses are based on Huber’s cluster robust variance estimator
  3. *** p < 0.01, ** p < 0.05, * p < 0.1
  4. aAll Namibian villages were treated between baseline and midline, which means that the post indicator captures both time and treatment effects