Table 4. Potassium affects the association between dietary intake of vitamin C and NAFLD.
| Exposure | T1 | T2 | T3 | P interaction | |||
|---|---|---|---|---|---|---|---|
| OR (95%CI) | P-value | OR (95%CI) | P-value | OR (95%CI) | P-value | ||
| Crude model | 0.0009 | ||||||
| Potassium tertile | |||||||
| Low | Ref. | 0.87 (0.74, 1.02) | 0.0829 | 0.84 (0.67, 1.04) | 0.1070 | ||
| Middle | 1.09 (0.93, 1.28) | 0.2719 | 0.80 (0.69, 0.93) | 0.0033 | 0.78 (0.67, 0.92) | 0.0023 | |
| High | 1.49 (1.20, 1.86) | 0.0003 | 0.91 (0.78, 1.06) | 0.2345 | 0.73 (0.64, 0.83) | <0.0001 | |
| Adjusted model I | 0.0038 | ||||||
| Potassium tertile | |||||||
| Low | Ref. | 0.87 (0.74, 1.02) | 0.0919 | 0.85 (0.68, 1.06) | 0.1416 | ||
| Middle | 1.04 (0.88, 1.22) | 0.6578 | 0.81 (0.70, 0.94) | 0.0058 | 0.78 (0.66, 0.91) | 0.0022 | |
| High | 1.34 (1.07, 1.68) | 0.0099 | 0.86 (0.73, 1.02) | 0.0840 | 0.69 (0.60, 0.79) | <0.0001 | |
| Adjusted model II | 0.0284 | ||||||
| Potassium tertile | |||||||
| Low | Ref. | 0.94 (0.78, 1.15) | 0.5603 | 0.89 (0.68, 1.16) | 0.3844 | ||
| Middle | 1.04 (0.85, 1.27) | 0.7198 | 0.81 (0.67, 0.97) | 0.0253 | 0.91 (0.75, 1.11) | 0.3713 | |
| High | 1.27(0.95,1.69) | 0.1088 | 0.83(0.66,1.04) | 0.1019 | 0.74 (0.60, 0.90) | 0.0033 | |
Crude model was not adjusted
Adjusted model 1 adjusted for age, race, education level, ratio of family income to poverty
Adjusted model 2 adjusted for model 1 + uric acid, fasting glucose, glycohemoglobin, total cholesterol, HDL cholesterol, creatinine, smoking status, work activities status, recreational activities status, dietary energy intake, dietary protein intake, dietary alcohol intake