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Table 2 Sensitivity, specificity, and observed prevalence of implementation strength indicators for family planning (FP) reported in mobile phone-based survey compared to in-person survey

From: Validity of using mobile phone surveys to evaluate community health worker program in Mali

FP indicator

Phone % (n/N)

In-person % (n/N)

Sensitivity % (95% CI)

Specificity % (95% CI)

Supervision

 Proportion of ASCs supervised in FP in the last 3 months

71.3 (82/115)

79.1 (91/115)

83.5 (74.3, 90.5)

75.0 (53.3, 90.2)

Modern contraceptive supply

 Proportion of ASCs with a supply of unexpired male condoms on the day of the assessment

60.0 (69/115)

59.1 (68/115)

92.6 (83.7, 97.6)

87.2 (74.3, 95.2)

 Proportion of ASCs with a supply of unexpired oral contraceptive pills on the day of the assessment

79.1 (91/115)

78.3 (90/115)

92.2 (84.6, 96.8)

68.0 (46.5, 85.1)

 Proportion of ASCs with a supply of unexpired injectables on the day of the assessment

89.6 (103/115)

87.8 (101/115)

96.0 (90.2, 98.9)

57.1 (28.9, 82.3)

Modern contraceptive stock-outs

 Proportion of ASCs reporting male condoms stock-out that lasted more than 1 consecutive week in the past 3 months

36.5 (42/115)

32.2 (37/115)

91.9 (78.1, 98.3)

89.7 (80.8, 95.5)

 Proportion of ASCs reporting oral contraceptive pills stock-out that lasted more than 1 consecutive week in the past 3 months

20.9 (24/115)

13.9 (16/115)

43.8 (19.8, 70.1)

82.8 (73.9, 89.7)

 Proportion of ASCs reporting injectables stock-out that lasted more than 1 consecutive week in the past 3 months

5.2 (6/115)

3.5 (4/115)

50.0 (6.8, 93.2)

96.4 (91.0, 99.0)

Reporting

 Proportion of ASCs with complete patient registers for FP client eligibility

82.6 (95/115)

61.7 (71/115)

93.0 (84.3, 97.7)

34.1 (20.5, 49.9)

 Proportion of ASCs with complete patient registers for FP follow-up

82.6 (95/115)

61.7 (71/115)

93.0 (84.3, 97.7)

34.1 (20.5, 49.9)

  1. Sensitivity and specificity that are considered adequate (≥ 80%) are bolded
  2. n is the frequency of each indicator; N is the total number of ASCs
  3. Abbreviations: ASC Agente Sante Communitaire, i.e., community health workers, FP Family planning, CI Confidence interval