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Table 1 Summary statistics of continuous variables

From: Country size bias in global health: cross-country comparison of malaria policy and foreign aid

Variablea

Units

N

Mean

SD

Min

Max

Land area

log of km2

215

4.72

1.31

0.30

7.22

Latitude of country centroid

absolute degree

164

27.35

17.78

0.42

74.70

Elevation above sea level

mean m

164

626.92

560.98

9.17

3185.92

Population size

log

215

6.59

1.06

4.05

9.13

Population density

log

195

1.9

0.62

0.29

4.41

Urban population

proportion

215

0.6

0.24

0.12

1.00

Population within 100 km of coast

proportion

164

0.43

0.36

0.00

1.00

GDP per capita PPP

log of US$

192

4.07

0.5

2.9

5.06

Total GDP PPP

log of millions US$

192

10.79

1.04

7.62

13.28

Total health expenditure per capita PPP

log of intl $

185

2.83

0.57

1.47

3.99

Government health to total government expenditure

proportion

186

3.56

2.34

0.37

13.06

Official development assistance received per capita

current US$

139

124.24

318.11

−2.34

3034.15

Openness (Sachs&Warner)

139

0.25

0.40

0.00

1.00

International country risk guide index

98

5.68

2.26

2.27

9.98

HDI

188

0.69

0.15

0.35

0.94

Malaria incidence

log of 1000 population at risk

105

0.92

1.41

−1.30

2.66

Malaria incidence

1000 population at risk

105

96.03

129.49

0.05

460.90

Plasmodium vivax species

proportion

105

0.27

0.37

0.00

1.00

Global Fund funding for malaria control per capita

US$

90

0.88

1.82

−0.07

14.85

PMI USAID funding for malaria control per capita

US$

90

0.27

0.55

0.00

3.10

World Bank funding for malaria control per capita

US$

91

0.01

0.03

−0.01

0.20

UK government funding for malaria control per capita

US$

90

0.04

0.20

0.00

1.29

Government funding for malaria control per capita

US$

70

0.80

2.98

0.00

24.89

UNICEF funding for malaria control per capita

US$

61

0.03

0.13

0.00

1.04

Policy score 1 (from factor analysis)

93

0.08

0.40

−0.69

0.82

Policy score 2 (from factor analysis)

93

0.73

0.39

−0.47

1.44

Policy score 3 (from factor analysis)

93

−0.18

0.40

−0.87

0.92

Policy score 4 (from factor analysis)

93

1.02

0.39

−0.05

1.84

  1. a GDP gross domestic product; HDI human development index; Global Fund Global Fund to Fight AIDS, Tuberculosis and Malaria; NMCP national malaria control programme; PMI United States President’s Malaria Initiative; PPP purchasing power parity; UK United Kingdom of Great Britain and Northern Ireland; UNICEF United Nations Children’s Fund; USAID United States Agency for International Development; log common logarithm. Funding for malaria control as reported by donors (except UNICEF)