Socioeconomic and ethnic differences in the relation between dietary costs and dietary quality: the HELIUS study

Nutrition Journal

Table 3 Association between daily dietary costs in tertiles and (high) dietary quality, by level of education (n = 4717)

Dietary quality (DHD15-index – continuous score)		Lowest educated (n = 1682)		Medium educated (n = 1343)		Highest educated (n = 1692)
Dietary quality (DHD15-index – continuous score)		β	95% CI	β	95% CI	β	95% CI
Dietary costs	T1 (1,14-4,56€)	ref		ref		ref
	T2 (4,57-5,58€)	6.55^**	4.63; 8.47	6.91^**	1.35; 5.26	6.59^**	4.63; 8.56
	T3 (5,59-17,15€)	5.09^**	2.74; 7.44	6.96^**	3.49; 8.06	8.06^**	5.63; 10.48
High dietary quality (DHD15-index – dichotomous)		OR	95%CI	OR	95%CI	OR	95%CI
Dietary costs	T1 (1,14-4,56€)	ref		ref		ref
	T2 (4,57-5,58€)	2.79^**	2.00; 3.94	2.30^**	1.54; 3.43	2.88^**	1.96; 4.25
	T3 (5,59-17,15€)	2.37^**	1.54; 3.65	2.10^*	1.27; 3.48	3.72^**	2.35; 5.90

High dietary quality was defined as the top quintile
All models adjust for age, sex, ethnicity, smoking, energy intake and physical activity
DHD15-index Dutch Healthy Diet index 2015, T Tertile, Ref reference group, CI Confidence Interval
^*P < 0.05; ^**P < 0.001

ISSN: 1475-2891