Table 4.

Crude and multivariable logistic regression for exclusive BF in Vietnam, 2000, 2006 and 2011 (N=922)

		Crude		Adjusted
Factor	Proportion	OR	95% CI	OR	95% CI
Year
2000	24.7
2006	17.0	0.84	(0.54–1.29)	*0.56	*(0.32–0.96)
2011	16.9	0.70	(0.46–1.50)	*0.58	*(0.36–0.94)
Child's age (months)				0.62	***(0.56–0.70)
Ethnicity
Non-Kinh	26.4			Ref
Kinh	12.9			0.44	**(0.26–0,74)
Area
Urban	18.8			Ref
Rural	11.0			0.67	(0.37–1.23)
Sex
Female	20.6			Ref
Male	17.7			0.80	(0.55–1.17)
Wealth index
Richest	10.4			Ref
Fourth	15.3			1.35	(0.61–3.01)
Middle	17.9			1.42	(0.61–3.29)
Second	15.7			1.04	(0.42–2.56)
Poorest	29.0			2.01	(0.81–5.00)
Education of mother
Tertiary	11.0			Ref
Upper secondary	31.6			1.27	(0.65–2.49)
Lower secondary	18.1			0.80	(0.37–1.72)
Primary	20.7			0.88	(0.40–1.97)
No education	18.7			0.63	(0.26–1.56)

^*p<0.05

^**p<0.01

^***p<0.001.