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Table 2 Multiple linear regression showing the association of PM2.5 and outdoor exercise with DLEC1 promoter methylation in participants

From: PM2.5 exposure and DLEC1 promoter methylation in Taiwan Biobank participants

Variables

β(× 10−3)

p value

PM2.5

0.114

0.046

Regular outdoor exercise (reference: No)

 Yes

− 1.080

0.246

 SO2

0.321

0.323

 CO

− 9.120

0.199

 O3

0.030

0.889

 NOX

0.119

0.330

Sex (reference: Women)

 Men

0.513

0.589

 Age

− 0.206

< 0.001

Cigarette smoking (reference: Never)

 Former

1.560

0.250

 Current

2.590

0.088

Alcohol drinking (reference: Never)

 Former

− 3.400

0.176

 Current

1.790

0.309

Betel nut chewing (reference: Never)

 Former

− 1.560

0.524

 Current

− 3.990

0.175

BMI (reference: Normal)

 Underweight

− 0.725

0.739

 Overweight

− 0.092

0.926

 Obesity

1.760

0.113

Secondhand smoke exposure (reference: No)

 Yes

− 0.258

0.855

  1. DLEC1 Deleted in lung and esophageal cancer 1, PM Particulate matter with diameter less than 2.5 microns, SO2 Sulfur dioxide, CO Carbon monoxide, O3 Ozone, NOx Nitrogen oxides, BMI Body mass index