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Table 3 Descriptive statistics by group for synthetic control method predictor variables from 1985 to 1989

From: Effects of the Convention on the Rights of the Child on child mortality and vaccination rates: a synthetic control analysis

Predictor variable Treatment group Control group
Country-years Mean Standard deviation Country-years Mean Standard deviation
Ln (population)*** 215 16.2 1.4 105 15.2 1.7
Ln (GDP per capita)*** 210 6.4 0.9 105 7.4 1.0
ODA as percent of GNI 206 7.7 7.8 105 6.3 9.6
Polity IV democracy index** 215 2.9 3.7 105 1.7 2.8
Infant mortality rate*** 215 79.1 38.8 105 61.5 38.8
Under-5 mortality rate*** 215 127.5 77.8 105 85.9 61.3
BCG vaccine rate*** 209 67.0 24.0 95 84.2 15.1
DTP1 vaccine rate*** 209 71.1 21.7 100 84.1 12.9
DTP3 vaccine rate*** 209 51.3 25.6 100 69.0 18.4
MCV1 vaccine rate*** 209 53.9 22.5 99 65.1 17.6
Polio3 vaccine rate*** 209 53.9 27.4 100 69.1 18.8
  1. Note. Differences between group means are significant as follows: ** p < .01; *** p < .001