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Table 1 Basic characteristic of participants in this study

From: Risk factors for prehypertension and their interactive effect: a cross- sectional survey in China

Variables

Normotension (N = 741)

Prehypertension (N = 603)

Hypertension(N = 433)

P a

Gender (%)

   

< 0.01b

 Male

255(34.41)

280(46.43)

213(49.19)

 

 Female

486(65.59)

323(53.57)

220(50.81)

 

Age (years)

59.67 ± 11.34

61.15 ± 11.41

62.31 ± 10.64

< 0.01c

Educational level (%)

   

0.03c

 Elementary level or lower

233(31.44)

189(31.34)

168(38.80)

 

 Middle school graduate

276(37.25)

221(36.65)

146(33.72)

 

 High school graduate or higher

232(31.31)

193(32.01)

119(27.48)

 

Marital status (%)

   

0.73b

 Currently married

621(83.81)

506(83.91)

370(85.45)

 

 Currently not married

120(16.19)

97(16.09)

63(14.55)

 

Income (yuan) (%)

   

0.26c

 0–2000

419(56.55)

315(52.24)

230(53.12)

 

 2000–4000

288(38.87)

256(42.45)

185(42.73)

 

  > 4000

34(4.58)

32(5.31)

18(4.15)

 

Smoking (%)

   

< 0.01b

 No

573(77.33)

394(65.34)

284(65.59)

 

 Yes

168(22.67)

209(34.66)

149(34.41)

 

Family history of cardiovascular diseases (%)

   

< 0.01b

 No

608(82.1)

458(75.95)

322(74.36)

 

 Yes

133(17.9)

145(24.05)

111(25.64)

 

General obesity (%)

   

< 0.01b

 No

660(89.05)

505(83.75)

324(74.83)

 

 Yes

81(10.95)

98(16.25)

109(25.17)

 

Abdominal obesity (%)

   

< 0.01b

 No

502(67.75)

304(50.41)

151(34.87)

 

 Yes

238(32.25)

299(49.59)

282(65.13)

 

LAP (%)

   

< 0.01c

 Q1

226(30.50)

113(18.74)

42(9.70)

 

 Q2

215(29.01)

118(19.57)

92(21.25)

 

 Q3

182(24.56)

154(25.54)

119(27.48)

 

 Q4

118(15.93)

218(36.15)

180(41.57)

 
  1. a:Comparisons of variables between normotension, prehypertension and hypertension members
  2. b:Chi-squared test
  3. c: Kruskal-Wallis H test