Risk factors

OR

Lower

Upper

Sig

Age

<40 years

≥40 years

1

1.7

0.77

3.99

0.180

Gender

Male

Female

1

0.6

0.30

1.45

0.309

Residence

Rural

Urban

1

2.7

1.61

4.70

<0.001^*

Occupation

Not working

Working˟

1

1.8

1.04

3.42

0.03^*

History of smoking

No

Yes

1

2.0

1.00

4.26

0.04^*

History of hypertension

No

Yes

1

0.5

0.28

1.15

0.118

BMI kg/m²

Normal (<25)

Overweight/obese (≥25)

1

0.6

0.32

1.15

0.131