TABLE 3.
Mean sodium intake and regression coefficients of associations with demographic and socioeconomic characteristics and practices related to salt consumption in a senior 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 | 325 | 3.39 | 3.22, 3.55 | |||||||
| Female | 496 | 2.63 | 2.37, 2.88 | <0.0001 | −0,74 | <0.0001 | −0,74 | <0.0001 | −0.45 | 0.001 |
| Race/skin color | ||||||||||
| White | 532 | 3.04 | 2.80, 3.23 | |||||||
| Black/brown | 301 | 2.85 | 2.64, 3.06 | 0.25 | — | — | — | — | — | — |
| Schooling | ||||||||||
| 0–3 y | 295 | 2.65 | 2.47, 2.81 | |||||||
| 4–8 y | 350 | 3.00 | 2.85, 3.16 | 0.002 | 0.25 | 0.032 | — | — | — | — |
| ≥8 y | 172 | 3.37 | 2.81, 3.93 | 0.015 | 0.64 | 0.11 | — | — | — | — |
| Income per capita | ||||||||||
| ≤BMMW | 259 | 2.70 | 2.54, 2.85 | |||||||
| 1–3 x BMMW | 447 | 3.03 | 2.74, 3.32 | 0.018 | 0.16 | 0.17 | — | — | — | — |
| >3 x BMMW | 113 | 3.07 | 2.78, 3.35 | 0.016 | −0.02 | 0.92 | — | — | — | — |
| Location of meals | ||||||||||
| At home | 717 | 2.89 | 2.70, 3.08 | |||||||
| Outside of home | 69 | 3.17 | 2.83, 3.52 | 0.067 | — | — | — | — | — | — |
| Reads sodium content on labels | ||||||||||
| No | 358 | 2.93 | 2.76, 3.10 | |||||||
| Yes | 63 | 3.00 | 2.61, 3.40 | 0.71 | — | — | — | — | — | — |
| Concerned about salt intake | ||||||||||
| No | 218 | 2.93 | 2.72, 3.13 | |||||||
| Yes | 599 | 2.93 | 2.71, 3.15 | 0.80 | — | — | — | — | — | — |
| Self-rated salt intake | ||||||||||
| Inadequate | 61 | 3.15 | 2.76, 3.55 | |||||||
| Adequate | 755 | 2.91 | 2.32, 3.09 | 0.71 | — | — | — | — | — | — |
BMMW, Brazilian monthly minimum wage
Mean sodium intake (in grams) based on 1-d 24-h dietary recall.
Regression coefficient.
Regression coefficient adjusted by total energy.