Skip to main content

Table 4 The odds ratio (95% confidence interval) of gestational diabetes mellitus based on quartile of dietary pattern score

From: A dietary pattern rich in fruits and dairy products is inversely associated to gestational diabetes: a case-control study in Iran

Dietary pattern

 

Model 1

Model 2

Model 3

N

OR

CI

P-trend*

OR

CI

P-trend*

OR

CI

P-trend*

Fruits and dairy products

Q1

175

1

-

0.003

1

-

0.004

1

-

0.019

Q2

176

0.623

0.383-1.013

0.668

0.399-1.120

0.575

0.327-1.011

Q3

176

0.507

0.308-0.833

0.511

0.303-0.862

0.472

0.267-0.835

Q4

172

0.478

0.29-0.785

0.488

0.289-0.825

0.500

0.284-0.882

Red meat and plant-based foods

Q1

177

1

-

0.634

1

-

0.798

1

-

0.950

Q2

169

0.964

0.591-1.571

0.869

0.519-1.455

0.901

0.512-1.585

Q3

173

0.827

0.508-1.346

0.754

0.451-1.263

0.659

0.373-1.163

Q4

174

0.742

0.456-1.209

0.712

0.422-1.200

0.660

0.372-1.173

Snacks and high-fat foods

Q1

175

1

-

0.068

1

-

0.750

1

-

0.672

Q2

184

1.794

1.108-2.905

1.889

1.139-3.135

1.709

0.988-2.957

Q3

162

1.203

0.728-1.988

1.325

0.777-2.262

1.153

0.642-2.068

Q4

172

0.800

0.484-1.321

1.082

0.617-1.897

0.931

0.498-1.741

Carbohydrate-rich foods

Q1

168

1

-

0.569

1

-

0.592

1

-

0.559

Q2

186

0.960

0.588-1.567

0.997

0.592-1.679

1.065

0.606-1.872

Q3

167

1.408

0.852-2.329

1.542

0.905-2.629

1.743

0.970-3.130

Q4

172

1.387

0.843-2.283

1.982

1.129-3.481

1.795

0.984-3.277

  1. Model 1: crude model; Model 2: adjusted for age, the body mass index of pre-pregnancy, weight gain during pregnancy, and total energy intake; Model 3: additionally adjusted for socioeconomic status, level of education, physical activity and number of pregnancies
  2. OR odds ratio, CI confidence interval
  3. *The logistic regression model, the lowest quartile as reference