Table 3.

Linear regression analysis between diet cost and other nutrients

	Standadised coefficients (β)	P value
Energy (kcal/d)	0·46	0·007*
Carbohydrate (g)	−0·49	0·02*
Potassium	0·53	0·004
Magnesium	−0·48	0·023*
Fibre (g)	1·22	0·04*
Vegetables (g)	−0·39	0·013

^*Significant P < 0·05.