Table 1 Characteristics of the participants at baseline

Age, y

52.00 (48.25, 54.00)

53.00 (49.75, 54.00)

53.00 (48.50, 55.00)

0.643

0.725

Age at menopause, y

48.00 (45.00, 51.00)

48.00 (45.00, 50.25)

49.00 (45.50, 52.00)

0.645

0.724

Time since amenorrhea, m

29.00 (17.00, 53.00)

32.50 (16.75, 64.25)

31.00 (18.00, 64.00)

1.597

0.450

Age of menarche, y

14.00 (14.00, 16.00)

14.00 (13.25, 15.00)

14.00 (13.00, 16.00)

3.199

0.202

Residence

3.070

0.523

 Urban

381 (82.8)

89 (84.0)

15 (71.4)

 Suburb

50 (10.9)

11 (10.4)

3 (14.3)

 Rural

29 (6.3)

6 (5.7)

3 (14.3)

Educational level

2.743

0.602

 Less than or equal to middle school diploma or equivalent

144 (31.3)

29 (27.4)

6 (28.6)

 High school

172 (37.4)

35 (37.4)

8 (38.1)

  ≥ College degree

144 (31.3)

42 (39.6)

7 (33.3)

Height, m

1.60 (1.56, 1.63)

1.60 (1.58, 1.63)

1.61 (1.54, 1.64)

3.632

0.163

Weight, kg

56.00 (51.00, 60.00)

56.50 (53.00, 60.00)

58.00 (52.75, 61.13)

2.156

0.340

BMI, kg/m²

21.95 (20.34, 23.50)

21.76 (20.67, 23.75)

22.47 (20.37, 23.88)

0.795

0.672

 Underweight

28 (6.1)

5 (4.7)

2 (9.5)

2.105

0.894

 Normal weight

338 (73.5)

78 (73.6)

14 (66.7)

 Overweight

81 (17.6)

21 (19.8)

5 (23.8)

 Obesity

13 (2.8)

2 (1.9)

0 (0)

Waist circumference, cm

76.00 (72.00, 82.00)

77.00 (72.00, 82.00)

78.50 (71.50, 85.50)

0.414

0.813

Hip circumference, cm

92.00 (89.00, 96.00)

93.00 (89.00, 96.00)

95.00 (88.50, 98.50)

1.353

0.508

Waist to hip ratio

0.83 (0.79, 0.87)

0.82 (0.78, 0.86)

0.83 (0.79, 0.87)

0.246

0.884

Hypertension

2.450

0.231

 No

441 (95.9)

98 (92.5)

20 (95.2)

 Yes

19 (4.1)

8 (7.5)

1 (4.8)

SBP, mmHg

120.00 (110.00, 124.00)

115.50 (110.00, 120.50)

120.00 (111.00, 120.00)

1.475

0.478

DBP, mmHg

76.00 (70.00, 80.00)

78.00 (70.00, 80.00)

75.00 (69.50, 80.75)

0.025

0.987