Authors

Countries

Type of study

Sample (N)

N51I

C59R

S108N

n

% (CI)

n

% (CI)

n

% (CI)

Cissé et al., 2017

Burkina Faso

Cross-sectional

101

72

71.29

(61.30 - 79.64)

43

42.57

(32.91 - 52.80)

65

64.35

(54.14 - 73.46)

Somé et al., 2016

Burkina Faso

Cross-sectional

51I (243), 59R (242), 108N (235)

148

60.90

(54.44 - 67.02)

130

53.72

(47.22 - 60.09)

150

63.83

(57.29 - 69.90)

Tahita et al., 2015

Burkina Faso

Cross-sectional

255

31

12.2

(8.53 - 16.96)

156

61.17

(54.87 - 67.13)

142

55.69

(49.35 - 61.84)

Amor et al., 2014

Africa

Cross-sectional

159

150

94.34

(89.20 - 97.21)

149

93.71

(88.42 - 96.77)

156

98.11

(94.15 - 99.51)

Ndiaye., 2013

Senegal

Cross sectional

416

368

88.46

(84.90 - 91.29)

Fall et al., 2013

Senegal

Longitudinal

165

128

77.57

(70.30 - 83.54)

131

79.39

(72.26 - 85.13)

135

81.81

(74.90 - 87.21)

Ogouyemi-Hounto et al., 2013

Benin

Cross-sectional

212

204

96.23

(92.43 - 98.23)

199

93.87

(89.50 - 96.56)

207

97.64

(94.28 - 99.13)

Doumbo et al., 2013

Mali

Cross-sectional

16

2

12.50

(2.19 - 39.59)

Wurtz et al., 2012

Senegal

Longitudinal

174

145

83.33

(76.77 - 88.38)

129

74.17

(66.86 - 80.33)

143

82.18

(75.51 - 87.40)

Duah et al., 2012

Ghana

Cross-sectional

945

522

55.24

(52 - 58.43)

623

65.92

(62.79 - 68.92)

647

68.46

(65.38 - 71.40)

Fabrice et al., 2011

Burkina Faso

random sample

51I/108N (260),

59R (261)

151

50.08

(51.81 - 64.10)

143

54.79

(48.53 - 60.90)

143

55

(48.73 - 61.12)

Faye et al., 2011

Senegal

Cross-sectional

480

179

37.29

(32.98 - 41.80)

177

36.87

(32.58 - 41.38)

241

50.21

(45.65 - 54.76)

Alam et al., 2011

Ghana

Cross-sectional

2

1

50 (2.66 - 97.33)

Nahum et al., 2009

Benin

Cross-sectional

25

17

68

(46.45 - 84.27)

Djaman et al., 2007

Côte d’Ivoire

Cross-sectional

118

46

38.98

(30.26 - 48.42)