Project partner | Perinatal Care Project (PCP) | Ekjut | MIRA (Makwanpur) | MIRA (Dhanusha) |
---|---|---|---|---|
Study setting | Rural Bangladesh | Rural Eastern India | Rural Nepal (middle hills) | Rural Nepal (lowlands) |
Location of clusters | Bogra, Maulvibazaar and Faridpur Districts | West Singhbhum and Saraikela Districts (Jharkhand); Keonjhar District (Odisha) | Makwanpur District, central region middle hills. | Dhanusha District, plains of Nepal. |
Period for which data are included (dates of birth) | 1st Feb 2005–31st Dec 2009 | 1st July 2005–30th June 2008 | 1st November 2001–31st October 2004 (Phase 1) | 1st September 2006–13th April 2011 |
1st November 2004–31st October 2008 (Phase 2) | ||||
Total estimated study population | 478 000 | 228 000 | 400 000 | 670 000 |
Design | Two-by-two factorial cluster RCT which ran from 1st Feb 2005 to 31st Dec 2007. A new trial took place using the same clusters from 2009-2011. Data continued to be collected in all clusters from 1st Jan 2008 to 31 Dec 2009 and continued into the new trial period (not included here). | Cluster RCT | Cluster RCT | Two-by-two factorial cluster RCT |
Stratification | By district (3 strata) | By district (3 strata) | None | By cluster size (2 strata) |
Cluster characteristics | Villages making up a union | 8-10 villages with most residents classified as tribal or other backward class | Village development committee | Village development committee |
Total number of clusters (number included in this study) | 18 (9) | 36 (18) | 24 (12) (Phase 1) | 60 (30) |
30 (6) (Phase 2–former control clusters became intervention clusters and 6 new control clusters recruited) | ||||
Annual births sampled per cluster (after exclusions): Mean (SD) | 596 (119) | 171 (38) | 115 (70) | 104 (17) |
Approximate cluster population | 28 000 | 6400 | 4000 | 8000 |