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Table 4 Validity assessment of self-reported receipt of iron-containing supplements in 9 countries, 2007–2016

From: Validity of self-reported receipt of iron supplements during pregnancy: implications for coverage measurement

Country

Year

Survey

Total number of ANC clients observed

Observation prevalence

Sensitivity

Specificity

Correctly classified

Self-reported prevalence

Area under the curve (AUC)

Inflation factor

Haiti

2013

SPA

1620

70.9

88.3

66.9

82.1

72.3

0.78

1.02

Kenya

2010

SPA

1409

50.6

82.1

92.8

87.4

45.1

0.87

0.89

Malawi

2013–14

SPA

2068

86.0

95.7

71.0

92.2

86.3

0.83

1.00

Namibia

2009

SPA

859

78.4

87.7

83.3

86.7

72.3

0.86

0.92

Nepal

2015

SPA

1565

63.3

74.7

71.8

73.6

57.6

0.73

0.91

Rwanda

2007

SPA

722

41.8

63.3

90.7

79.2

31.9

0.77

0.76

Senegal

2016

SPA

849

86.8

97.7

89.3

96.6

86.2

0.93

0.99

Tanzania

2014–15

SPA

4009

75.9

91.9

74.8

87.8

75.8

0.83

1.00

Uganda

2007

SPA

779

75.2

85.7

82.9

85.0

68.7

0.84

0.91

Total

  

13,880

71.8

88.7

79.3

86.0

69.5

0.84

0.97

Nepal

2016–17

NOMS

227

53.7

86.1

34.3

62.1

76.7

0.60

1.43

  1. ANC antenatal care, NOMS Nepal Oil Massage Study, SPA Service Provision Assessment