Table 4 Association between conventional risk factors only or all risk factors and home hypertension stratified by age

From: Impacts of the urinary sodium-to-potassium ratio, sleep efficiency, and conventional risk factors on home hypertension in a general Japanese population

 

Number of the total participants

Number of participants with home hypertension

OR

95% CI

P value

PAF

(A) Measured only conventional risk factors for hypertension

(A-1) <65 years old

795

202

    

    Any of conventional risk factors, yes

255

109

3.38

2.34–4.87

<0.001

38.0%

    Sex, men

  

2.71

1.74–4.21

<0.001

 

    Age, per 10 years

  

2.13

1.74–2.60

<0.001

 

    Current smoker, yes

  

1.40

0.77–2.55

0.273

 

    Average daily steps, log-transformed

  

0.86

0.55–1.33

0.494

 

(A-2) ≥65 years old

589

338

    

    Any of conventional risk factors, yes

200

145

2.28

1.55–3.34

<0.001

24.1%

    Sex, men

  

1.70

1.18–2.47

0.005

 

    Age, per 10 years

  

1.30

0.83–2.03

0.255

 

    Current smoker, yes

  

1.68

0.62–4.56

0.308

 

    Average daily steps, log-transformed

  

0.73

0.51–1.06

0.096

 

(B) Measured all risk factors including conventional risk factors, urinary Na/K ratio and sleep efficiency for hypertension

(B-1) <65 years old

795

202

    

    Any of all risk factors, yes

436

144

2.70

1.85–3.93

<0.001

44.9%

    Sex, men

  

2.89

1.87–4.46

<0.001

 

    Age, per 10 years

  

2.18

1.79–2.66

<0.001

 

    Current smoker, yes

  

1.35

0.74–2.44

0.325

 

    Average daily steps, log-transformed

  

0.81

0.52–1.24

0.334

 

(B-2) ≥65 years old

589

338

    

    Any of all risk factors, yes

299

207

2.35

1.65–3.34

<0.001

35.2%

    Sex, men

  

1.67

1.15–2.42

0.007

 

    Age, per 10 years

  

1.32

0.84–2.07

0.228

 

    Current smoker, yes

  

1.49

0.55–4.03

0.435

 

    Average daily steps, log-transformed

  

0.73

0.51–1.06

0.098

 
  1. OR odds ratio, CI confidence interval, PAF population attributable fraction, Na/K sodium-to-potassium.
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