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Table 4 Odds ratios of depression across Healthy Eating Index-2015 (HEI-2015) components in the studied older adults in Tehran

From: Relationship between diet quality and depression among Iranian older adults in Tehran

HEI-2015 Components scores

Depression

OR

95% CI

P-value

Total Fruits

Crude

0.972

0.837 – 1.130

0.715

Model 1

0.930

0.789 – 1.097

0.390

Model 2

0.934

0.780 – 1.119

0.460

Model 3

0.895

0.723 – 1.107

0.306

Whole Fruits

Crude

0.995

0.828 – 1.196

0.958

Model 1

0.940

0.769 – 1.149

0.546

Model 2

0.929

0.743 – 1.162

0.519

Model 3

0.878

0.674 – 1.144

0.335

Total Vegetables

Crude

1.118

0.948 – 1.319

0.185

Model 1

1.147

0.957 – 1.376

0.138

Model 2

1.258

1.031 – 1.535

0.024

Model 3

1.255

0.992 – 1.587

0.060

Greens and Beans

Crude

1.110

0.984 – 1.251

0.086

Model 1

1.124

0.987 – 1.280

0.077

Model 2

1.114

0.971 – 1.278

0.124

Model 3

1.118

0.950 – 1.315

0.181

Whole Grains

Crude

0.974

0.924 – 1.027

0.337

Model 1

0.976

0.921 – 1.035

0.414

Model 2

0.989

0.929 – 1.053

0.728

Model 3

0.991

0.920 – 1.067

0.802

Dairy

Crude

1.013

0.940 – 1.093

0.727

Model 1

1.021

0.938 – 1.110

0.631

Model 2

1.022

0.933 – 1.120

0.639

Model 3

1.035

0.932 – 1.149

0.524

Total Protein Foods

Crude

1.135

0.928 – 1.388

0.216

Model 1

1.137

0.917 – 1.408

0.241

Model 2

1.109

0.879 – 1.400

0.383

Model 3

1.167

0.886 – 1.536

0.271

Seafood and Plant Proteins

Crude

0.953

0.855 – 1.062

0.381

Model 1

0.990

0.878 – 1.117

0.876

Model 2

0.998

0.877 – 1.137

0.982

Model 3

0.962

0.824 – 1.123

0.623

Unsaturated fat/saturated fat

Crude

1.013

0.896 – 1.144

0.841

Model 1

1.000

0.870 – 1.148

0.998

Model 2

0.999

0.862 – 1.157

0.990

Model 3

1.030

0.867 – 1.223

0.737

Refined Grains

Crude

0.966

0.909 – 1.027

0.272

Model 1

0.950

0.887 – 1.017

0.141

Model 2

0.977

0.907 – 1.052

0.529

Model 3

0.999

0.916 – 1.090

0.984

Sodium

Crude

1.042

0.987 – 1.101

0.135

Model 1

1.017

0.957 – 1.081

0.584

Model 2

0.992

0.930 – 1.060

0.822

Model 3

0.946

0.874 – 1.023

0.166

Added Sugars

Crude

1.055

0.927 – 1.201

0.415

Model 1

1.073

0.927 – 1.242

0.342

Model 2

1.120

0.947 – 1.325

0.186

Model 3

1.192

0.973 – 1.461

0.090

Saturated Fats

Crude

1.037

0.948 – 1.134

0.427

Model 1

1.019

0.924 – 1.124

0.701

Model 2

0.987

0.890 – 1.094

0.802

Model 3

0.966

0.856 – 1.090

0.572

  1. Depression was considered as a dependent binary variable and HEI-2015 components as the independent variable
  2. Model 1: adjusted for physical function (ADL and IADL), energy intake and demographic indicators (age, sex, marital status). Model 2: further adjustments for socio-economic variables (education, status of living (alone or with family/nurse), house possession, household income, receiving social services or food aids, insurance and supplemental insurance coverage). Model 3: more adjustments for health status and behavioral confounders (gastrointestinal problems, oral problems, medication status, dietary supplements, smoking status and sleep habits), anthropometric indices (weight, waist circumference, mid-arm circumference and calf circumference) and obesity
  3. The first tertile of Healthy Eating Index 2015 is considered as the reference group