Table 2.
Effect of low and high zinc intake groups on the association between vitamin A and depression in dichotomous and trichotomous models.
| Female (model 6) | |||||
|---|---|---|---|---|---|
| Variable |
Dietary intake zinc≤8(mg/d) (n = 7,541) |
Dietary intake zinc>8(mg/d) (n = 8,604) |
P for interaction | ||
| Vitamin A | OR(95 CI%) | P -value | OR(95 CI%) | P -value | |
| Subgroups | 0.011 | ||||
| ≤ 440 (mcg) | 1(reference) | 1(reference) | |||
| >440 (mcg) | 0.85 (0.76~0.96) | 0.007 | 1.05 (0.95~1.17) | 0.331 | |
| Male (model 6) | |||||
| Variable |
Dietary intake zinc≤11(mg/d) (n = 7,397) |
Dietary intake zinc>11(mg/d) (n = 8,297) |
P for interaction | ||
| Vitamin A | OR(95 CI%) | P -value | OR(95 CI%) | P -value | |
| Subgroups | 0.743 | ||||
| ≤ 495 (mcg) | 1(reference) | 1(reference) | |||
| >495 (mcg) | 0.97 (0.85~1.11) | 0.679 | 1 (0.89~1.13) | 0.952 | |
Covariables include age, race, education level, PIR, marriage status, BMI, physical activity, work activity, smoking status, alcohol, DM and Hypertension.
Model 6: adjust for age, race, education level, PIR, marriage status, BMI, physical activity, work activity, smoking status, alcohol, DM, Hypertension.