Table 2.
Description of Sodium Intake and Factors Associated with Increased Sodium Intake Among Persons Age 50+ with Heart Failure in NHANES 1999–2000, 2001–2002, 2003–2004, 2005–2006a
| Daily sodium intake | ||
|---|---|---|
| Mean daily intake (SE) | 2,728.5 (93.5) | |
| Sodium category | % of population | |
| <1500 mg | 18.7% | |
| 1500–1999 mg | 15.3% | |
| 2000–2499 mg | 18.4% | |
| 2500–2999 mg | 15.6% | |
| 3000–3999 mg | 16.6% | |
| 4000+ mg | 15.4% | |
| Multivariable linear regression model of factors associated with increasing daily sodium intake | ||
| Characteristic | β (unit = mg/day) (SE) | P-value |
| Female gender | −577.1 (119.2) | <0.0001 |
| Education | ||
| < High school degree | Referent | |
| High school degree | −187.8 (134.5) | 0.16 |
| > High school degree | −309.4 (159.3) | 0.05 |
| Annual income | ||
| < $25,000 | Referent | |
| $25,000–$55,000 | −241.5 (134.8) | 0.07 |
| >=$55,000 | −839.7 (175.6) | <0.0001 |
| Provider ever told had high blood pressure | −196.2 (121.2) | 0.05 |
aData weighted to represent the total U.S. population with heart failure