To what extent classic socio-economic determinants explain trends of anaemia in tribal and non-tribal women of reproductive age in India? Findings from four National Family Heath Surveys (1998–2021)

Table 2 Associations of framework guided determinants of anaemia (exposure) with anaemia (outcome) among non-pregnant women of reproductive age group in India using pooled data from 1998 and 2021 of National Family Health Surveys (NFHS)

Determinants of anaemia (N = 415,965)	Odds Ratio	p-Value	95% Confidence Interval (CI)
Determinants of anaemia (N = 415,965)	Odds Ratio	p-Value	Lower CI	Upper CI
Age (years)	0.9975	< 0.001	0.9962	0.9989
Caste identity (Reference: General)	1.3113	< 0.001	1.2814	1.3420
Place of residence (Reference: Urban)	0.9717	0.02	0.9483	0.9955
Education (years)	0.9903	< 0.001	0.9880	0.9926
Wealth Index (quintile) (Reference: 1^st quintile is the poorest)	0.9080	< 0.001	0.8997	0.9163
Number of children born	1.0141	< 0.001	1.0071	1.0212
Body Mass Index (BMI)	0.9998	< 0.001	0.9998	0.9998

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