Table 4.
Associations between salivary cotinine and salivary metals.
| Ln Zn | Ln Cu | Ln Cr | Ln Mn | |
|---|---|---|---|---|
| b, 95% CI | b, 95% CI | b, 95% CI | b, 95% CI | |
| Cotinine* | 0.401, (0.183 to 0.619) | 0.655, (0.206 to 1.104) | 0.093, (−0.0015 to 0.187) | 0.367, (−0.0933 to 0.826) |
| Sex | 0.022, (−0.182 to 0.225) | (−)0.139, (−0.559 to 0.281) | 0.032, (−0.056 to 0.121) | 0.218, (−0.537 to 0.322) |
| BMI | (−)0.0035, (−0.032 to 0.025) | (−)0.02, (−0.079 to 0.038) | 0.004, (−0.008 to 0.016) | 0.030, (−0.107 to 0.014) |
| Race | 0.28, (−0.194 to 0.251) | 0.433, (−0.025 to 0.892) | 0.236, (0.139 to 0.333) | 0.238, (−0.101 to 0.838) |
| INR | (−)0.039, (−0.139 to 9.6e-005) | 0.0072, (−0.213 to 0.073) | 0.011, (−0.018 to 0.041) | 0.074, (−0.073 to 0.221) |
Associations were determined by multiple linear regression. Statistically significant findings are shown in bold font. Metals outcome values were ln-transformed prior to analysis. *cotinine was coded 0 for values less than 1 ng/ml and 1 for >1 ng/ml. BMI body mass index.
INR income-to-needs ratio.