TABLE 2.

Mean sodium intake and regression coefficients of associations with demographic and socioeconomic characteristics and practices related to salt consumption in an adult population in Campinas, San Paulo, Brazil.¹

	Bivariate model (g/d)				Multivariate model (g/d)
					Stage 1		Stage 2		Stage 3
Variables	n	Mean2	CI	P value	R 3	P value	R 3	P value	R 4	P value
Sex
Male	372	3.79	3.56, 4.10
Female	480	2.88	2.75, 3.00	<0.0001	−0.91	<0.0001	−0.90	<0.0001	−0.70	<0.0001
Race/skin color
White	532	3.24	3.07, 3.41
Black/brown	301	3.40	3.22, 3.59	0.20	—	—	—	—	—	—
Schooling
0–8	326	3.25	3.05, 3.45
9–11 y	300	3.40	3.20, 3.60	0.30	—	—	—	—	—	—
≥12 y	225	3.25	3.00, 3.49	0.98	—	—	—	—	—	—
Income per capita
≤BMMW	337	3.27	3.00, 3.53
1–3 x BMMW	413	3.30	3.14, 3.52	0.71	—	—	—	—	—	—
>3 x BMMW	102	3.31	3.01, 3.61	0.84	—	—	—	—	—	—
Location of meals
At home	483	3.12	2.93, 3.33
Outside of home	197	3.49	3.25, 3.73	0.002	—	—	0.22	0.005	0.17	0.010
Reads sodium content on labels
No	354	3.31	3.07, 3.55
Yes	87	3.39	3.02, 3.76	0.75	—	—	—	—	—	—
Concerned about salt intake
No	327	3.37	3.16, 3.57
Yes	525	3.23	3.14, 3.42	0.36	—	—	—	—	—	—
Self-rated salt intake
Inadequate	114	3.51	3.21, 3.81
Adequate	737	3.27	3.13, 3.41	0.114	−0.22	0.10	—	—	—	—

¹BMMW: Brazilian monthly minimum wage.

²Mean sodium intake (in grams) based on one-day 24-h dietary recall.

³Regression coefficient.

⁴Regression coefficient adjusted by total energy.