Table 1 Brief descriptions of the demographic surveillance sites
Bangladesh | India | Nepal (Makwanpur) | Nepal (Dhanusha) | |
|---|---|---|---|---|
Location | Bogra, Maulvibazaar and Faridpur districts | West Singhbhum and Saraikela Districts (Jharkhand); Keonjhar Districts (Odisha) | Makwanpur district, central region mid-hills | Dhanusha district, central plains of Nepal |
Period | February 1st 2005–31 December 2009 | 1st July 2005 - 30th June 2008 | 1st November 2001 - 31st October 2004 (phase 1)1st November 2004 - 31st October 2008 (phase 2) | 1st September 2006 - 13th April 2011 |
Number of clusters (number included in the study) | 18(9) | 36(18) | 24(12) (Phase 1) 30(6) (Phase 2 -former control clusters became intervention clusters and 6 new control clusters recruited) | 60(30) |
Annual births sampled per cluster (number included in the study) | 596 (119) | 171(38) | 115(70) | 104(17) |
Approximate cluster population | 28,000 | 6400 | 4000 | 8000 |