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Table 4 Food frequency and dietary pattern in association with oxidative stress and DNA damage [shown as the standardized coefficients (β) and significance ( P )]

From: Effects of a fruit-vegetable dietary pattern on oxidative stress and genetic damage in coke oven workers: a cross-sectional study

 

Oxidative stress

DNA damage

 

SOD

GPx

MDA

MN

8-OH-dG

 

β

P

β

P

Β

P

β

P

β

P

Frequency of fruit consumption (daily vs. weekly+monthly)

Crude

0.117

0.035

0.034

0.241

−0.151

0.027

−0.119

0.129

−0.197

0.040

Adjusteda

0.104

0.048

0.031

0.246

−0.143

0.027

−0.138

0.105

−0.178

0.051

Frequency of dark vegetable consumption (daily vs. weekly+monthly)

Crude

0.098

0.064

0.122

0.026

−0.144

0.031

−0.212

0.033

−0.205

0.039

Adjusteda

0.095

0.065

0.109

0.041

−0.151

0.025

−0.223

0.036

−0.195

0.042

Frequency of light vegetable consumption (daily vs. weekly+monthly)

Crude

0.121

0.045

0.084

0.097

−0.132

0.046

−0.175

0.058

−0.188

0.049

Adjusteda

0.112

0.052

0.091

0.092

−0.135

0.045

−0.168

0.066

−0.184

0.051

Pattern 1: Rice-noodle

Crude

−0.037

0.721

−0.082

0.427

0.054

0.596

0.115

0.260

0.038

0.713

Adjusteda

0.037

0.396

−0.006

0.885

0.005

0.951

0.090

0.357

−0.025

0.686

Pattern 2: Fruit-vegetable

Crude

0.109

0.041

0.082

0.106

−0.121

0.031

−0.257

0.017

−0.211

0.031

Adjusteda

0.182

0.013

0.099

0.057

−0.130

0.026

−0.293

0.012

−0.220

0.028

Pattern 3: High protein foods

Crude

−0.074

0.297

−0.062

0.412

−0.004

0.967

0.196

0.083

0.091

0.218

Adjusteda

−0.057

0.233

−0.033

0.327

−0.021

0.789

0.174

0.100

0.079

0.164

Pattern 4: Snack-sugars

Crude

−0.013

0.900

0.009

0.932

−0.100

0.330

0.033

0.696

0.034

0.739

Adjusteda

−0.031

0.465

−0.036

0.339

−0.072

0.395

0.040

0.583

0.072

0.258

  1. The food frequency comparison was within the dichotomized variables. The dietary pattern comparison was between the highest quartile subjects (Q4) and the lowest quartile subjects (Q1).
  2. aAdjusted for age, BMI, level of education, cigarette smoking, alcohol consumption, working hours per day, years of service, urinary 1-OHP levels, and exposure group (controls, other COWs, and topside COWs).