Table 2.
Simple linear regression of factors predicting average sodium excretion (mg) (N=180)
| Factors | b (SD) | P-value |
|---|---|---|
| NYHA | −92.12 (120.60) | 0.446 |
| Age | −10.18 (9.85) | 0.303 |
| Female | −817.04 (170.00) | <0.001* |
| Non-white | −343.67 (199.76) | 0.087 |
| Education | 46.65 (57.77) | 0.421 |
| SES | 60.62 (21.44) | 0.005* |
| Impaired health literacy | −95.92 (178.32) | 0.591 |
| Someone else prepares food | −370.27 (173.67) | 0.034* |
| Someone else brings food | 58.38 (219.58) | 0.791 |
| Can correctly recall the sodium | ||
| Recommendation | −400.81 (199.15) | 0.046* |
| BMI | 35.49 (13.57) | 0.010* |
| Comorbidity | 41.36 (46.72) | 0.377 |
| No of past hospitalizations for HF | −17.36 (44.27) | 0.695 |
| Depression | 4.70 (19.84) | 0.813 |
| Anxiety | 9.94 (19.34) | 0.608 |
| Social support | −6.73 (6.24) | 0.282 |
| Cognitive domains | ||
| Attention | −1.92 (12.13) | 0.875 |
| Memory | −4.53 (11.72) | 0.700 |
| Executive function | 8.29 (11.62) | 0.477 |
| Global cognition | −7.83 (14.47) | 0.589 |
Notes: Each factor above was entered into a separate regression model predicting average sodium excretion.
*
P<0.05.
Abbreviations: BMI, body mass index; HF, heart failure; NYHA, New York Heart Association; SES, socioeconomic status; SD, standard deviation; b, unstandardized regression coefficient.