Smokers

(n = 122)

Non-smokers

(n = 1057)

p value

Age (years)^a*

51.7

(3.9)

51.2

(4.2)

0.143

Body mass index (kg/m²)^a*

22.3

(3.5)

22.4

(3.1)

0.350

Menstrual status (No, %)

Pre-menopause

23

(18.9)

318

(30.1)

0.029

Peri-menopause

24

(19.7)

199

(18.8)

Post-menopause

75

(61.5)

540

(51.1)

Have experiences of menopausal symptoms

Yes

73

(59.8)

565

(53.5)

0.212

No

49

(40.2)

492

(46.5)

Age when menopausal symptoms started (years)^a*

46.9

(4.8)

47.9

(3.8)

0.231

Working night shift (No, %)

Yes

93

(76.2)

777

(73.5)

0.587

No

29

(23.8)

278

(26.3)

Unknown

0

(0.0)

2

(0.2)

Marital status (No, %)

Married

74

(60.7)

772

(73.0)

0.039

Single

27

(22.1)

156

(14.7)

Divorce

14

(11.5)

88

(8.3)

Others

7

(5.7)

41

(4.0)

Alcohol drinking habit (No, %)

Yes

51

(41.8)

310

(29.3)

0.007

No

71

(58.2)

747

(70.7)