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Table 4 Odds ratio depression, anxiety and stress across tertiles of DPI (multivariable-adjusted odds ratios and 95% confidence intervals)

From: Dietary phytochemical index and psychological disorders in a large sample of Iranian adults: a population-based study

Variable

DPI tertile

P trend‡

T1

T2

T3

BMI ≤ 24.9

 Depression

  Crude

1.00

0.71 (0.50–1.01)

0.69 (0.48–1.00)

0.04

  Adjusted model1*

1.00

0.67 (0.47–0.96)

0.69 (0.47–0.99)

0.03

  Adjusted model2**

1.00

0.58 (0.39–0.86)

0.65 (0.44–0.97)

0.02

 Anxiety

  Crude

1.00

0.75 (0.55–1.03)

0.43 (0.51–0.98)

0.03

  Adjusted model1*

1.00

0.72 (0.52–0.99)

0.69 (0.5–0.96)

0.02

  Adjusted model2**

1.00

0.65 (0.46–0.93)

0.65 (0.45–0.93)

0.01

 Stress

  Crude

1.00

0.83 (0.49–1.4)

0.81 (0.47–1.41)

0.90

  Adjusted model1*

1.00

0.78 (0.45–1.33)

0.81 (0.47–1.40)

0.43

  Adjusted model2**

1.00

0.54 (0.29–0.99)

0.74 (0.61–1.22)

0.28

BMI > 24.9

 Depression

  Crude

1.00

0.94 (0.72–1.22)

1.03 (0.80–1.32)

0.80

  Adjusted model*

1.00

0.71 (0.50–1.01)

0.69 (0.48–1.00)

0.78

  Adjusted model2**

1.00

1.02 (0.77–1.35)

1.08 (0.82–1.42)

0.57

 Anxiety

  Crude

1.00

0.84 (0.67–1.06)

0.97 (0.78–1.28)

0.82

  Adjusted model1*

1.00

0.84 (0.67–1.07)

0.97 (0.78–1.21)

0.99

  Adjusted model2**

1.00

0.89 (0.69–1.14)

0.98 (0.77–1.24)

0.86

 Stress

  Crude

1.00

0.86 (0.58–1.28)

0.91 (0.62–1.33)

0.95

  Adjusted model1*

 

0.86 (0.52–1.29)

0.92 (0.62–1.39)

0.70

  Adjusted model2**

 

0.94 (0.61–1.65)

0.99 (0.65–1.51)

0.99

  1. DPI Dietary phytochemical index
  2. *Adjusted for age, gender and total energy intake
  3. **Adjusted for model 1 and marital status, physical activity, supplement use, history of chronic disease, smoking and special diet
  4. †These values are odds ratios (95% CIs)
  5. ‡Obtained from logistic regression by considering tertiles of DPI as ordinal variable