a significant trendP =0.034
Using water Mn concentrations as a continuous variable, the adjusted OR was 0.75 (95% CI 0.58–0.98, model I) per 1 mg/L (1,000 μg/L) increase in Mn concentration, with a significant trend ( P =0.034).
Using water Mn concentrations as a continuous variable, the adjusted OR was 0.75 (95% CI 0.58–0.98, model I) per 1 mg/L (1,000 μg/L) increase in Mn concentration, with a significant trend ( P =0.034).