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Table 3 Odds ratios (95% CIs) for hypertension related to age at menarche by different combinations of modifiable risk lifestyles among young women

From: Age at menarche and prevention of hypertension through lifestyle in young Chinese adult women: result from project ELEFANT

Joint Exposure

 

Hypertension

 

Age at menarche (years)

Modifiable risk lifestyles

Total (n)

n

OR

95% CI

≤12

No risk lifestyles

2747

18

0.53

0.31, 0.84

13

6113

89

1.07

0.83, 1.39

14

13,216

181

1.00

Ref

15

4640

72

1.11

0.84, 1.46

≥16

2139

63

2.07

1.54, 2.76

≤12

One risk lifestyle

2582

90

2.76

2.09, 3.60

13

4001

125

2.25

1.78, 2.85

14

6667

207

2.16

1.76, 2.66

15

2733

98

2.51

1.95, 3.22

≥16

1701

61

2.54

1.87, 3.41

≤12

Two risk lifestyles

2656

156

5.24

4.11, 6.69

13

2347

113

3.98

3.07, 5.14

14

2212

92

3.32

2.54, 4.33

15

1180

48

3.18

2.24, 4.41

≥16

897

47

3.81

2.67, 5.32

≤12

Three risk lifestyles

910

141

12.36

9.51, 16.05

13

580

84

11.09

8.21, 14.87

14

527

59

8.62

6.20, 11.85

15

219

22

7.20

4.35, 11.40

≥16

172

18

7.64

4.39, 12.57

≤12

All four risk lifestyles

40

7

13.21

5.17, 29.36

13

21

3

9.45

2.16, 29.08

14

23

2

7.13

1.13, 24.80

15

5

1

12.23

0.61, 83.43

≥16

9

1

6.49

0.35, 36.53

  1. Modifiable risk lifestyles comprised being overweight or obese, psychological stress, passive smoking, and imbalanced diet. The model was adjusted for age at enrolment, smoking status, drinking status, education, occupation, region, parity, oral contraceptive use, diabetes, and family history of hypertension