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Table 2 Quality of sampling methodology for 77 surveys conducted in Yemen from 2011 to 2019

From: “Strengthening data quality and reporting from small-scale surveys in humanitarian settings: a case study from Yemen, 2011–2019”

 

Pre-Conflict

Conflict

Total

n(%)

31 (100)

n(%)

46 (100)

N(%)

77 (100)

Sampling methodology

 PPS for selection of cluster

31 (100)

46 (100)

77 (100)

 Number of clusters ≥30

31 (100)

46 (100)

77 (100)

 Non-use of mod. EPI for selecting HH a

1 (3.2)

27 (58.7)

28 (36.4)

 All HH surveyed for U5DR b

31 (100)

36 (78.3)

67 (87.0)

 Sampling methodology criteria met

1 (3.2)

17 (37.0)

18 (23.4)

  1. a Non-use of modified EPI for selecting Household. For surveys that used modified EPI for selection household (pre-conflict n = 30(96.8%), conflict, n = 19(41.3%); overall, n = 49(63.6%)) b Of the 67 surveys 34 (50.7%) — pre-conflict n = 14 and conflict n = 14 — reported appointment for revisit in the absence of members of the family or children