Table 5.
Association between estimated cumulative dietary Cd score (as a discrete and categorical variable) and 9-year kidney function parameters a.
| Kidney Function Parameter | SCr b (n = 124) |
Cystatin C (n = 140) |
BUN (n = 124) |
eGFRSchwartz (n = 124) |
eGFRCystatinC (n = 142) |
|---|---|---|---|---|---|
| Score | β (95% CI) | β (95% CI) | β (95% CI) | β (95% CI) | β (95% CI) |
| Discrete | −0.011 (−0.025, 0.002) | −0.019 (−0.050, 0.010) | −0.037 (−0.072, −0.003) | 0.025 (−0.007, 0.058) | 0.020 (−0.011, 0.051) |
| 0 (n = 23) | Ref | Ref | Ref | Ref | Ref |
| 1 (n = 38) | 0.017 (−0.047, 0.081) | 0.063 (−0.083, 0.211) | −0.006 (−0.168, 0.154) | −0.028 (−0.182, 0.126) | −0.064 (−0.216, 0.088) |
| 2 (n = 57) | −0.015 (−0.075, 0.044) | 0.053 (−0.087, 0.193) | −0.041 (−0.191, 0.107) | 0.048 (−0.094, 0.190) | −0.072 (−0.216, 0.071) |
| 3 (n = 31) | −0.039 (−0.0105, 0.026) | −0.082 (−0.241, 0.075) | −0.092 (−0.257, 0.073) | 0.104 (−0.053, 0.262) | 0.081 (−0.082, 0.244) |
| 4 (n = 16) | 0.000 (−0.081, 0.081) | −0.028 (−0.209, 0.151) | −0.129 (−0.332, 0.073) | 0.011 (−0.182, 0.204) | 0.027 (−0.159, 0.213) |
| 5 (n = 10) | −0.051 (−0.147, 0.044) | −0.007 (−0.202, 0.187) | −0.187 (−0.428, 0.052) | 0.100 (−0.128, 0.328) | 0.009 (−0.192, 0.210) |
a adjusted for sex, age, z-score BMI, physical activity, secondhand smoke, and socioeconomic status. b Serum creatinine.