Table 4.

Factors associated with the Brazilian Healthy Eating Index Revised identified by multiple regression analysis for participants of the ISA 2003 and 2008. São Paulo, SP, 2003–08.

Independent variable		2003			2008
β	p	r2	β	p	r2
Energy intake (Kcal)		− 0.0021	< 0.001	0.089	− 0.0013	0.002	0.099
Age group	Adultsa	2.4469	< 0.001		6.1154	< 0.001
Older adultsa	7.1968	< 0.001		10.7202	< 0.001
Smoking habits	Smokerb	− 2.9523	< 0.001		− 3.0910	0.003
Former smokerb	1.0748	0.241		0.5755	0.610
Head of household education (years)		− 0.0664	0.032		− 0.1550	0.155

Note: Adolescents (12–19 years old), adults (20–59 years old) and older adults (60 years old or over).

^aIn relation to adolescents.

^bIn relation to never smoked.