Table 4.
Dietary VD Intake (μg/d) | Dietary VD Intake (μg/d) | |||||
≤5.00 | ≤20.75 | >20.75 | ≤5.00 | >5.00 | ||
CREAD Test | Case/Participants | 265/798 | 268/888 | 185/838 | 265/798 | 453/1726 |
Crude | 1.00 (Ref.) | 1.02 (0.80–1.30) | 0.69 (0.51–0.92) * | 1.00 (Ref.) | 0.84 (0.67–1.04) | |
Model 1 | 1.00 (Ref.) | 0.96 (0.75–1.24) | 0.70 (0.51–0.96) * | 1.00 (Ref.) | 0.82 (0.65–1.05) | |
Model 2 | 1.00 (Ref.) | 0.97 (0.72–1.29) | 0.83 (0.58–1.19) | 1.00 (Ref.) | 0.90 (0.69–1.17) | |
Animal Fluency Test | Case/Participants | 284/798 | 260/888 | 188/838 | 284/798 | 448/1726 |
Crude | 1.00 (Ref.) | 0.69 (0.49–0.97) * | 0.43 (0.34–0.55) * | 1.00 (Ref.) | 0.55 (0.43–0.70) * | |
Model 1 | 1.00 (Ref.) | 0.67 (0.48–0.93) * | 0.41 (0.31–0.53) * | 1.00 (Ref.) | 0.53 (0.41–0.67) * | |
Model 2 | 1.00 (Ref.) | 0.70 (0.43–1.13) | 0.51 (0.36–0.72) * | 1.00 (Ref.) | 0.60 (0.41–0.89) * | |
Digit Symbol Test | Case/Participants | 277/798 | 247/888 | 133/838 | 277/798 | 380/1726 |
Crude | 1.00 (Ref.) | 0.82 (0.55–1.20) | 0.36 (0.26–0.51) * | 1.00 (Ref.) | 0.56 (0.41–0.77) * | |
Model 1 | 1.00 (Ref.) | 0.77 (0.53–1.14) | 0.34 (0.25–0.46) * | 1.00 (Ref.) | 0.53 (0.39–0.73) * | |
Model 2 | 1.00 (Ref.) | 0.72 (0.45–1.15) | 0.45 (0.31–0.66) * | 1.00 (Ref.) | 0.59 (0.40–0.86) * |
Binary logistic regression analyses were used to calculate weighted OR values. Reference (Ref.); model 1 adjusted for age and gender; model 2 adjusted for age and gender, race, educational level, marital status, income, body mass index (BMI), season of exam, physical activity level, drinking status, smoking status, hypertension, diabetes, and stroke. Energy was adjusted, when we studied the intake of dietary VD. * p-value ≤ 0.05.