Table 1 Overview of India's National Family Health Survey (NFHS).
From: Gender inequity and age-appropriate immunization coverage in India from 1992 to 2006
Survey Phase | |||
|---|---|---|---|
1992-1993 | 1998-1999 | 2005-2006 | |
(NFHS-1) | (NFHS-2) | (NFHS-3) | |
Sample size (women) | 89,777 | 91,000 | 230,000 |
Age group (women) | 13-49 | 15-49 | 15-49 |
Data collection period | |||
Start | April 1992 | Nov 1998 | Dec 2005 |
Finish | Sept 1993 | Dec 1999 | Aug 2006 |
Number of states | 25 | 26 | 29 |
Living cohorts | 1988-1993 | 1996-1999 | 2001-2006 |
Total sample (living | 45,275 | 30,821 | 48,468 |
children under 5) | |||
Sample included in analysis | 43,732 | 29,669 | 47,709 |
Reference period for | |||
immunization coverage | |||
Start | Jan 1988 | Jan 1996 | Jan 2001 |
Finish | Aug 1993 | Dec 1999 | Aug 2006 |