marginal significancep = 0.004
Univariate logistic regression in men identified three factors with statistical significance or marginal significance: suboptimal plasma vitamin C (≤8.8 mg/mL) ( p = 0.004), suboptimal serum vitamin B12 (≤300 pg/mL) ( p = 0.062), and low BMI (underweight/normal weight) ( p = 0.011).