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Table 2 Association between sociodemographic and environmental variables and blood pressure level

From: Noise exposure and hypertension: investigation of a silent relationship

Variable

Normotensive

Hypertensive

p-value

 

n (%)

n (%)

 
 

n = 1299

n = 430

 

Age (years)

   

  <30

332 (92,7)

26 (7,3)

0,00

  30-34

260 (85,0)

46 (15,0)

 

  35-39

236 (80,8)

56 (19,2)

 

  40-44

186 (68,1)

87 (31,9)

 

  45-49

135 (62,5)

81 (37,5)

 

  ≥50

150 (52,8)

134 (47,2)

 

Gender

   

  Female

127 (88,2)

17 (11,8)

0,00

  Male

1172 (73,9)

413 (26,1)

 

Marital status

   

  Single

738 (80,3)

181 (19,7)

0,00

  Married

561 (69,3)

249 (30,7)

 

Education

   

  Up to incomplete elementary school

56 (69,1)

25 (30,9)

0,07

  Complete elementary school

96 (72,2)

37 (27,8)

 

  Incomplete middle school

256 (73,1)

94 (26,9)

 

  Complete middle school

239 (79,1)

63 (20,9)

 

  Incomplete high school

157 (77,7)

45 (22,3)

 

  Complete high school

392 (73,0)

145 (27,0)

 

  College/university (complete or not)

103 (83,1)

21 (16,9)

 

Socioeconomic condition*

   

  Lower

331 (78,3)

92 (21,7)

0,09

  Higher

968 (74,1)

338 (25,9)

 

Physical activity

   

  No

750 (73,1)

276 (26,9)

0,04

  Irregular

257 (76,5)

79 (23,5)

 

  Regular

292 (79,6)

75 (20,4)

 

Tobacco use

   

  Non-smoker

1038 (77,1)

308 (22,9)

0,00

  Smoker

261 (68,1)

122 (31,9)

 

Alcohol consumption

   

  No consumption

839 (77,8)

239 (22,2)

0,00

  Regular

460 (70,7)

191 (29,3)

 

Body Mass Index

   

  Normal

619 (86,2)

99 (13,8)

0,00

  Overweight

532 (71,7)

210 (28,3)

 

  Obese

148 (55,0)

121 (45,0)

 

Type of Service

   

  Industrial maintenance

464 (76,1)

146 (23,9)

0,29

  Civil Works

453 (73,7)

162 (26,3)

 

  Building cleaning

274 (77,8)

78 (22,2)

 

  Others

108 (71,1)

44 (28,9)

 

Heat

   

  Non-exposed

1154 (75,6)

372 (24,4)

0,19

  Exposed

145 (71,4)

58 (28,6)

 
  1. *Socioeconomic condition: Existent - presence of piped water + regular garbage collection + sewage system + electricity; absence: inexistence of at least one of the above factors.