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Table 3 Relationships between combined lifestyle index and migraine in Hong Kong Chinese women (October 2019–December 2020)

From: Associations of combined lifestyle index with migraine prevalence and headache frequency: a cross-sectional study from the MECH-HK study

Exposure

Ncase

Ntotal

Prevalence

Univariable analysis

Model I a

Model II b

Model III c

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

Overall

357

3510

10.2%

        

CLI

           

 0–3 points

162

899

18.0%

Referent

 

Referent

 

Referent

 

Referent

 

 4 points

86

788

10.9%

0.56 (0.42–0.74)

< 0.001

0.58 (0.44–0.77)

< 0.001

0.57 (0.43–0.76)

< 0.001

0.57 (0.43–0.75)

< 0.001

 5 points

51

776

6.6%

0.32 (0.23–0.45)

< 0.001

0.34 (0.24–0.47)

< 0.001

0.33 (0.24–0.47)

< 0.001

0.33 (0.24–0.46)

< 0.001

 6 points

38

636

6.0%

0.29 (0.20–0.42)

< 0.001

0.31 (0.21–0.45)

< 0.001

0.30 (0.21–0.44)

< 0.001

0.30 (0.21–0.44)

< 0.001

 7–8 points

20

411

4.9%

0.23 (0.14–0.38)

< 0.001

0.25 (0.16–0.41)

< 0.001

0.25 (0.15–0.41)

< 0.001

0.25 (0.15–0.41)

< 0.001

Smoking

           

 0 point

24

153

15.7%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

333

3357

9.9%

0.59 (0.38–0.93)

0.022

0.73 (0.46–1.17)

0.193

0.71 (0.44–1.15)

0.163

0.69 (0.43–1.11)

0.129

Physical activity

           

 0 point

113

944

12.0%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

244

2566

9.5%

0.77 (0.61–0.98)

0.033

0.93 (0.72–1.20)

0.570

0.94 (0.72–1.22)

0.635

0.92 (0.71–1.19)

0.525

Sleep

           

 0 point

254

1789

14.2%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

103

1721

6.0%

0.38 (0.30–0.49)

< 0.001

0.49 (0.38–0.64)

< 0.001

0.49 (0.38–0.64)

< 0.001

0.50 (0.38–0.65)

< 0.001

Stress

           

 0 point

237

1832

12.9%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

120

1678

7.2%

0.52 (0.41–0.65)

< 0.001

0.75 (0.59–0.96)

0.023

0.74 (0.58–0.95)

0.016

0.74 (0.58–0.95)

0.019

Fatigue

           

 0 point

253

1844

13.7%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

104

1666

6.2%

0.42 (0.33–0.53)

< 0.001

0.62 (0.48–0.81)

< 0.001

0.63 (0.48–0.82)

0.001

0.62 (0.48–0.81)

< 0.001

Diet

           

 0 point

219

1692

12.9%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

138

1818

7.6%

0.55 (0.44–0.69)

< 0.001

0.66 (0.52–0.83)

< 0.001

0.66 (0.52–0.83)

< 0.001

0.65 (0.52–0.83)

< 0.001

Body mass index

           

 0 point

182

1793

10.2%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

175

1717

10.2%

1.00 (0.81–1.25)

0.967

1.00 (0.80–1.26)

0.980

0.99 (0.79–1.24)

0.925

0.98 (0.78–1.23)

0.872

Alcohol

           

 0 point

243

2122

11.5%

Referent

 

Referent

 

Referent

 

Referent

 

 1 point

114

1388

8.2%

0.69 (0.55–0.87)

0.002

0.80 (0.63–1.02)

0.070

0.81 (0.63–1.03)

0.082

0.81 (0.63–1.03)

0.088

CLI (no smoking)

           

 0–2 points

161

886

18.2%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

85

783

10.9%

0.55 (0.41–0.73)

< 0.001

0.57 (0.43–0.75)

< 0.001

0.56 (0.42–0.75)

< 0.001

0.56 (0.42–0.74)

< 0.001

 4 points

53

790

6.7%

0.32 (0.23–0.45)

< 0.001

0.34 (0.24–0.47)

< 0.001

0.34 (0.24–0.47)

< 0.001

0.34 (0.24–0.47)

< 0.001

 5 points

38

633

6.0%

0.29 (0.20–0.42)

< 0.001

0.31 (0.21–0.45)

< 0.001

0.30 (0.21–0.44)

< 0.001

0.30 (0.21–0.44)

< 0.001

 6–7 points

20

418

4.8%

0.23 (0.14–0.37)

< 0.001

0.25 (0.15–0.40)

< 0.001

0.24 (0.15–0.39)

< 0.001

0.24 (0.15–0.39)

< 0.001

CLI (no physical activity)

           

 0–2 points

129

692

18.6%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

98

759

12.9%

0.65 (0.49–0.86)

0.003

0.66 (0.50–0.88)

0.005

0.66 (0.49–0.88)

0.004

0.65 (0.49–0.87)

0.004

 4 points

64

845

7.6%

0.36 (0.26–0.49)

< 0.001

0.37 (0.27–0.51)

< 0.001

0.37 (0.27–0.51)

< 0.001

0.37 (0.27–0.51)

< 0.001

 5 points

42

723

5.8%

0.27 (0.19–0.39)

< 0.001

0.28 (0.20–0.41)

< 0.001

0.28 (0.19–0.40)

< 0.001

0.28 (0.19–0.41)

< 0.001

 6–7 points

24

491

4.9%

0.22 (0.14–0.35)

< 0.001

0.24 (0.15–0.38)

< 0.001

0.24 (0.15–0.37)

< 0.001

0.24 (0.15–0.37)

< 0.001

CLI (no sleep)

           

 0–2 points

89

475

18.7%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

93

704

13.2%

0.66 (0.48–0.91)

0.010

0.69 (0.50–0.95)

0.022

0.69 (0.50–0.95)

0.021

0.68 (0.49–0.94)

0.020

 4 points

90

958

9.4%

0.45 (0.33–0.62)

< 0.001

0.48 (0.35–0.66)

< 0.001

0.47 (0.34–0.65)

< 0.001

0.47 (0.34–0.65)

< 0.001

 5 points

54

807

6.7%

0.31 (0.22–0.45)

< 0.001

0.34 (0.23–0.49)

< 0.001

0.33 (0.23–0.48)

< 0.001

0.33 (0.23–0.48)

< 0.001

 6–7 points

31

566

5.5%

0.25 (0.16–0.39)

< 0.001

0.28 (0.18–0.44)

< 0.001

0.27 (0.18–0.43)

< 0.001

0.27 (0.17–0.42)

< 0.001

CLI (no stress)

           

 0–2 points

92

452

20.4%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

107

749

14.3%

0.65 (0.48–0.89)

0.006

0.67 (0.49–0.92)

0.012

0.67 (0.49–0.91)

0.010

0.67 (0.49–0.91)

0.010

 4 points

70

901

7.8%

0.33 (0.24–0.46)

< 0.001

0.35 (0.25–0.49)

< 0.001

0.34 (0.24–0.48)

< 0.001

0.34 (0.24–0.48)

< 0.001

 5 points

60

846

7.1%

0.30 (0.21–0.42)

< 0.001

0.32 (0.23–0.46)

< 0.001

0.32 (0.22–0.45)

< 0.001

0.31 (0.22–0.45)

< 0.001

 6–7 points

28

562

5.0%

0.21 (0.13–0.32)

< 0.001

0.22 (0.14–0.35)

< 0.001

0.22 (0.14–0.35)

< 0.001

0.22 (0.14–0.34)

< 0.001

CLI (no fatigue)

           

 0–2 points

84

440

19.1%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

102

723

14.1%

0.70 (0.51–0.96)

0.025

0.73 (0.53–1.00)

0.050

0.73 (0.53–1.00)

0.050

0.73 (0.53–1.01)

0.054

 4 points

87

943

9.2%

0.43 (0.31–0.60)

< 0.001

0.46 (0.33–0.64)

< 0.001

0.46 (0.33–0.63)

< 0.001

0.45 (0.32–0.63)

< 0.001

 5 points

56

862

6.5%

0.29 (0.21–0.42)

< 0.001

0.32 (0.22–0.46)

< 0.001

0.32 (0.22–0.46)

< 0.001

0.31 (0.22–0.46)

< 0.001

 6–7 points

28

542

5.2%

0.23 (0.15–0.36)

< 0.001

0.26 (0.16–0.40)

< 0.001

0.25 (0.16–0.40)

< 0.001

0.25 (0.16–0.39)

< 0.001

CLI (no diet)

           

 0–2 points

102

503

20.3%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

101

780

12.9%

0.58 (0.43–0.79)

< 0.001

0.60 (0.45–0.82)

0.001

0.61 (0.45–0.82)

0.001

0.60 (0.44–0.82)

0.001

 4 points

71

849

8.4%

0.36 (0.26–0.50)

< 0.001

0.38 (0.27–0.52)

< 0.001

0.38 (0.27–0.53)

< 0.001

0.38 (0.27–0.52)

< 0.001

 5 points

48

772

6.2%

0.26 (0.18–0.38)

< 0.001

0.28 (0.19–0.40)

< 0.001

0.28 (0.19–0.40)

< 0.001

0.28 (0.19–0.40)

< 0.001

 6–7 points

35

606

5.8%

0.24 (0.16–0.36)

< 0.001

0.26 (0.17–0.40)

< 0.001

0.26 (0.17–0.39)

< 0.001

0.26 (0.17–0.39)

< 0.001

CLI (no body mass index)

           

 0–2 points

116

566

20.5%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

91

674

13.5%

0.61 (0.45–0.82)

0.001

0.62 (0.46–0.85)

0.002

0.62 (0.46–0.85)

0.002

0.61 (0.45–0.83)

0.002

 4 points

74

845

8.8%

0.37 (0.27–0.51)

< 0.001

0.39 (0.28–0.54)

< 0.001

0.39 (0.28–0.53)

< 0.001

0.39 (0.28–0.53)

< 0.001

 5 points

46

760

6.1%

0.25 (0.17–0.36)

< 0.001

0.27 (0.18–0.38)

< 0.001

0.26 (0.18–0.38)

< 0.001

0.26 (0.18–0.37)

< 0.001

 6–7 points

30

665

4.5%

0.18 (0.12–0.28)

< 0.001

0.20 (0.13–0.31)

< 0.001

0.20 (0.13–0.30)

< 0.001

0.20 (0.13–0.30)

< 0.001

CLI (no alcohol)

           

 0–2 points

103

503

20.5%

Referent

 

Referent

 

Referent

 

Referent

 

 3 points

87

655

13.3%

0.59 (0.44–0.81)

0.001

0.62 (0.45–0.84)

0.002

0.61 (0.44–0.84)

0.002

0.62 (0.45–0.84)

0.003

 4 points

90

901

10.0%

0.43 (0.32–0.59)

< 0.001

0.45 (0.33–0.62)

< 0.001

0.45 (0.33–0.61)

< 0.001

0.44 (0.32–0.61)

< 0.001

 5 points

37

741

5.0%

0.20 (0.14–0.30)

< 0.001

0.22 (0.15–0.32)

< 0.001

0.21 (0.14–0.32)

< 0.001

0.21 (0.14–0.31)

< 0.001

 6–7 points

40

710

5.6%

0.23 (0.16–0.34)

< 0.001

0.25 (0.17–0.38)

< 0.001

0.25 (0.17–0.37)

< 0.001

0.25 (0.17–0.37)

< 0.001

CLI-weak components d

           

 0–1 points

53

375

14.1%

Referent

 

Referent

 

Referent

 

Referent

 

 2 points

138

1214

11.4%

0.78 (0.55–1.10)

0.151

0.84 (0.60–1.18)

0.320

0.84 (0.59–1.18)

0.317

0.83 (0.59–1.17)

0.287

 3–4 points

166

1921

8.6%

0.57 (0.41–0.80)

0.001

0.65 (0.47–0.92)

0.014

0.65 (0.46–0.92)

0.014

0.63 (0.45–0.89)

0.009

  1. OR Odds ratio, CI Confidence interval, CLI Combined lifestyle index
  2. aModel I adjusted for age. In the analyses of each individual component, the other components were further adjusted
  3. bModel II adjusted for age, marital status, living condition, educational level, family income, employment status, menstrual age, and menopause. In the analyses of each individual component, the other components were further adjusted
  4. cModel III adjusted for variables in Model II, hypertension, diabetes, hyperlipidaemia, myocardial infarction, stroke, and cancer. In the analyses of each individual component, the other components were further adjusted
  5. dFour lifestyle factors (smoking, physical activity, body mass index, and alcohol) that were not independently associated with migraine were included in the CLI-weak components
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