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Table 1 Study Sample Size from the five National Family Health Surveys, 1993–2021

From: Trends in prevalence of unmet need for family planning in India: patterns of change across 36 States and Union Territories, 1993–2021

Survey round (year)

Sample size based on inclusion criteria (n)

Non-responses on unmet need related questions (n)

Final study sample size (n)

NFHS-1 (1992–93)

84,289

1,183

83,106

NFHS-2 (1998–99)

84,862

23

84,839

NFHS-3 (2005–06)

87,925

121

87,804

NFHS-4 (2015–16)

499,627

4

499,623

NFHS-5 (2019–21)

512,408

76

512,332

All Waves

1,269,111

1,407

1,267,704

  1. NFHS-1, NFHS-2, and NFHS-3 had the following survey response option relevant to the study for a question on marital status: currently married. NFHS-4, and NFHS-5 had the following survey response: currently in union/living with a man. For the purposes of this study, these responses have been combined and represented as one group: currently married/in union
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Reproductive Health

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