Table 2.
Frequency of countries with dyads defined by an EPI coverage evaluation survey conducted within one year of a non-EPI survey by country and survey timing characteristics.
| Survey dyads where EPI survey field work within 1-year of non-EPI survey field work |
||
|---|---|---|
| Number of countries | Number of dyads | |
| n = 38 | n = 66 | |
| Survey field work of EPI survey | ||
| 2000–2004 | 10* | 12 |
| 2005–2009 | 16 | 18 |
| 2010–2014 | 24 | 27 |
| 2015–2019 | 9 | 9 |
| WHO Region | ||
| Africa | 27 | 48 |
| Americas | 1 | 1 |
| Eastern Mediterranean | 1 | 1 |
| Europe | 1 | 1 |
| South-East Asia | 6 | 13 |
| Western Pacific | 2 | 2 |
| World Bank Income | ||
| Low-Income | 14 | 26 |
| Middle-Income | 24 | 40 |
| High-Income | 0 | 0 |
| Gavi-73 | 33 | 60 |
| Timing of EPI vs non-EPI survey | ||
| Before | 21* | 27 |
| After | 16 | 20 |
| Same time | 10 | 12 |
| Unknown | 7 | 7 |
non-EPI survey = DHS/MICS/OCS.
Because some countries were identified with more than one EPI-non-EPI dyad, a country may fall into more than one time period.