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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