Table 1. Summary of data.
| Panel A: Sample overview | |||||
| Bangladesh | Senegal | Togo | Gambia | Cote d'Ivoire | |
| Number of Supplementary Immunization Activities (SIAs)1 | 21 | 23 | 16 | 9 | 18 |
| SIA years | 2006–2013 | 2000–2005, 2010–2013 | 1996–1997, 2009–2013 | 2010–2012 | 2009–2012 |
| Demographic and Health Surveys (DHS) years | 2007, 2011, 2014 | 2005, 2010, 2012, 2014 | 1998, 2013 | 2013 | 2011 |
| Cohorts included (Birth years) |
2006–2013 | 2000–2005, 2010–2013 | 1996–1997, 2008–2013 | 2010–2012 | 2009–2011 |
| Sample size of children | 12,190 | 14,817 | 6,659 | 3,342 | 3,106 |
| Panel B: Summary statistics—means and standard deviations2 | |||||
| Main variables | |||||
| Exposure | 5.228 (2.785) |
4.505 (2.646) |
4.769 (2.327) |
3.762 (2.478) |
9.856 (3.290) |
| Age at first SIA (in months) | 4.720 (4.462) |
5.144 (5.662) |
4.750 (3.604) |
1.664 (1.661) |
1.599 (1.803) |
| Has DPT 3, Measles and BCG | 0.866 (0.341) |
0.736 (0.441) |
0.663 (0.473) |
0.854 (0.353) |
0.541 (0.498) |
| Control variables3 | |||||
| Rural residence | 0.683 (0.465) |
0.683 (0.465) |
0.730 (0.444) |
0.667 (0.471) |
0.671 (0.470) |
| Birth order | 2.392 (1.565) |
3.766 (2.474) |
3.675 (2.323) |
3.670 (2.339) |
3.569 (2.372) |
| Mother has primary education | 0.300 (0.458) |
0.199 (0.399) |
0.326 (0.469) |
0.147 (0.354) |
0.223 (0.417) |
| Mother has secondary education | 0.423 (0.494) |
0.067 (0.250) |
0.159 (0.366) |
0.206 (0.404) |
0.086 (0.280) |
| Mother has higher education | 0.088 (0.283) |
0.004 (0.065) |
0.010 (0.100) |
0.021 (0.144) |
0.011 (0.103) |
| Household has electricity | 0.601 (0.490) |
0.392 (0.488) |
0.278 (0.448) |
0.285 (0.452) |
0.461 (0.499) |
| Sex—female | 0.487 (0.500) |
0.493 (0.500) |
0.501 (0.500) |
0.494 (0.500) |
0.507 (0.500) |
| Birth in rainy season | 0.326 (0.469) |
0.386 (0.487) |
0.516 (0.500) |
0.364 (0.481) |
0.429 (0.495) |
1The SIAs took place between the day of birth of the oldest child in the sample and the last DHS interview date. Campaigns are limited to national immunization days (NIDs).
2Standard deviations presented in parentheses below means.
3The regressions also control for birth year fixed effects.