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Table 5 Multivariable-adjusted odds ratios (OR) (95% CI) for stress across different frequencies or servings for dietary intakes in study population (N = 9965)

From: The relation between dietary intakes and psychological disorders in Iranian adults: a population-based study

Dietary intakes

3Stress

4Multivariable adjusted

5Multivariable + BMI

OR

CI

OR

CI

1Red meat

 Never

Reference

Reference

 Once/week

0.87

0.48–1.55

0.9

0.5–1.73

  > 1/week

0.96

0.55–1.66

1.08

0.6–1.94

1Poultry

 Never

Reference

Reference

 Once/week

1.41

0.73–2.74

1.37

0.7–2.68

  > 1/week

1.31

0.68–2.51

1.27

0.66–2.44

1Fish

 Never

Reference

Reference

 Lower than once/week

0.79

0.61–1.02

0.77

0.59–1.01

  ≥ 1/week

1.2

0.91–1.6?

1.22

0.91–1.63

1Egg

 Never

Reference

Reference

 Once/week

0.75

0.53–1.07

0.77

0.54–1.11

  > 1/week

0.75

0.54–1.06

0.75

0.53–1.07

1Legume

 Never

Reference

Reference

 Once/week

1.38

0.67–2.82

1.31

0.63–2.7

  > 1/week

1.24

0.61–2.5

1.17

0.58–2.38

2Vegetables

 Nothing

Reference

Reference

 One/day

*0.72

*0.56–0.92

*0.71

*0.55–0.91

  > 1/ day

*0.59

*0.42–0.82

*0.59

*0.42–0.82

2Fruits

 Nothing

Reference

Reference

 One/day

*0.68

*0.5–0.92

*0.68

*0.5–0.94

  > 1/ day

*0.59

*0.43–0.83

*0.6

*0.43–0.85

2Milk

 Nothing

Reference

Reference

 1–2 glasses/week

*0.6

*0.47–0.76

*0.61

*0.47–0.77

  > 2 glasses/week

0.81

0.62–1.06

0.77

0.58–1.03

2Yogurt

 Nothing

Reference

Reference

 1–2 glasses/week

0.94

0.62–1.43

0.85

0.56–1.3

  > 2 glasses/week

0.82

0.54–1.22

0.74

0.49–1.12

  1. 1Dietary intakes for mentioned items were presented as frequency of consumption
  2. 2 Dietary intakes for mentioned items were presented as serving of consumption
  3. 3Stress was defined as having the score of ≥15, score of ≥10 and score of ≥8from the DASS21 questionnaire
  4. 4Adjusted for age (20–29, 30–39, 40–49, 50–59, 60–69 years), education level (Secondary school and lower, High school, Diploma and Graduate diploma, Bachelors, Masters and PhD), physical activity level (low, medium, high), history of chronic diseases (hypertension, diabetes, cardiovascular disease, cancer, depression, dyslipidemia), smoking (yes/no)
  5. 5Adjusted for age (20–29, 30–39, 40–49, 50–59, 60–69 years), education level (Secondary school and lower, High school, Diploma and Graduate diploma, Bachelors, Masters and PhD), physical activity level (low, medium, high), history of chronic diseases (hypertension, diabetes, cardiovascular disease, cancer, depression, dyslipidemia), smoking (yes/no) and BMI
  6. *Significance level was considered as p < 0.05