Logistic regression between diabetic renal dysfunction and potential variables
| Variables | Regression coefficient | SEM | Wald value | P value | OR (95% CI) | ||
|---|---|---|---|---|---|---|---|
| Dependent | Covariates | ||||||
| Albuminuria | |||||||
| Constant | 1.39 | 0.42 | 10.76 | 0.001 | 0.25 | ||
| FCG levels (mmol/l) | |||||||
| <6.1 | — | — | — | — | 1.00 | ||
| ≥6.1 | 1.01 | 0.46 | 4.89 | 0.027 | 2.75 (1.12–6.74) | ||
| β2-Microglobulinuria | |||||||
| Constant | −4.39 | 0.80 | 29.88 | 0.000 | 0.12 | ||
| Smoking habits | |||||||
| Never smoked | — | — | — | — | 1.00 | ||
| Previously smoked | 0.18 | 0.63 | 0.08 | 0.772 | 1.20 (0.35–4.16) | ||
| Currently smoking | 1.26 | 0.57 | 4.81 | 0.028 | 3.51 (1.14–10.80) | ||
| Urinary cadmium levels (μg/g Cr) | |||||||
| <1.0 | — | — | — | — | 1.00 | ||
| ≥1.0 | 1.21 | 0.54 | 5.08 | 0.024 | 3.34 (1.17–9.53) | ||
| MT-Ab levels | |||||||
| Low | — | — | — | — | 1.00 | ||
| High | 1.72 | 0.46 | 13.80 | 0.000 | 5.56 (2.25–13.73) | ||
*Definition of covariates in logistic analysis: sex: male/female; hypertension, no/yes; dyslipidemia, no/yes; age grades: <60, 60–66, 66–72, or ≥72 years old; duration of diabetes: <10, 10–20, or ≥20 years; BMI: <24, 24–28, or ≥28 kg/m2; blood cadmium levels: <1 or ≥1 μg/l.