Table 7.
Measles vaccine: characteristics of included studies
| Study identifiers, context, and population | Study design and limitations | |||||||
|---|---|---|---|---|---|---|---|---|
| First-named author, year of publication | Country | Study years | Study population | Study design | Sample size and number of clusters | Ascertainment of deaths | Co-interventions | Measles vaccine coverage |
| All-cause data | ||||||||
| Aaby, 2006 [47] | Malawi | 1997–2002 | 6–60 mo. | Cohort | 751 children | Monthly home visits (0–18 mo.), quarterly home visits (>18 mo.) | Nutritional surveillance | 12 mo: 64% 24 mo: 81% |
| Elguero, 2005 [48] | Senegal | 1997–99 | 0–23 mo. | Cohort | 4114 children | Quarterly home visits | None | 20% |
| Lehmann, 2005 [44] | Papua New Guinea | 1989–95 | 1–23 mo. | Cohort | 3113 children | Monthly home visits | Pneumococcal vaccine study | 12 mo: 74% |
| Breiman, 2004 [40] | Bangladesh | 1986–2001 | 9–60 mo. | Cohort | 36 650 children | DSS | Enhanced MCH services | 9 mo: 83% 60 mo: 98% |
| Nyarko, 2001 [50] | Ghana | 1994–99 | 9–59 mo. | Cohort | Total sample size 17 701, sample included in this analysis is unclear | Quarterly home visits | Community-based delivery of PHC in about 60% of study area | 12 mo: 25 |
| Kristensen, 2000 [43] | Guinea Bissau | 1990–96 | 7–19 mo. | Cohort | 3414 children | Home visits every 5–7 mo. | None | 12 mo: 38% 18 mo: 77% |
| Aaby, 1990 [46] | Guinea Bissau | 1984–87 | 4–30 mo. | Cohort | 722 children | 50% of study area received monthly home visits; Other 50% received visits every 3–5 mo. | None | 12–23 mo: 81% (district 1), 61% (district 2) |
| Kabir, 2003, Kumar, 2000 [42, 49] | India (Haryana) | 1991–98 | 12–59 mo. | Case control | 636 children | Home visits (frequency not recorded) with 20% of data verified annually, annual census | None | NA |
| Velema, 1991 [45] | Benin | 1986–87 | 4–35 mo. | Case control | 294 children | 4 demographic surveys | ARI, malaria and diarrhoea CCM; deworming; IPTi | NA |
| Holt, 1990 [41] | Haiti | 1982–85 | 9–44 mo. | Case control | 1291 children | Census | None | NA |
| Cause-specific data | ||||||||
| Aaby, 2003 [51]; Koenig, 1990 [53]; Clemens, 1988 [52] | Bangladesh | 1982–85 | 10–60 mo. | Cohort | 16 268 children | Bi-monthly home visits, completion of cause of death form | Enhanced MCH services | >60% |
ARI, Acute respiratory infection; CCM, community case management; DSS, demographic surveillance site; IPTi, intermittent preventive treatment of malaria in infants; MCH, maternal and child health; NA, not applicable; PHC, primary health care.