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Table 2 Odd ratios (OR) and 95 % confidence interval (CI) for mental distress in relation to estimated salt intake level tertiles

From: Salt intake and mental distress among rural community-dwelling Japanese men

  Estimated daily salt intake tertiles P for trend 1SD increment in estimated daily salt intake (2.0 g/day)
Tl (low) T2 T3 (high)
No. at risk 338 338 338   
No. of cases (percentage) 45 (13.3) 29 (8.6) 23 (6.8)   
Age-adjusted OR 1.00 0.61 (0.37–1.00) 0.47 (0.28–0.79) 0.004 0.71 (0.57–0.88)
Multivariable OR 1.00 0.65 (0.39–1.09) 0.50 (0.29–0.88) 0.014 0.74 (0.59–0.93)
  1. Multivariable OR: adjusted further for body mass index, systolic blood pressure, antihypertensive medication use, thyroid disease, alcohol consumption, smoking status, AST, triglycerides, HDL-cholesterol, HbA1c, antidiabetic medication use, and GFR. The median values of estimated daily salt intake tertiles were 7.0, 8.8, and 10.8 g/day