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. 2012 Nov 9;7(11):e49122. doi: 10.1371/journal.pone.0049122

Table 1. Characteristics of the study participants.

Car use (n = 954) Non car use (n = 394) p
n (%) orMean (SD) n (%) orMean (SD)
HTN
Model 1A definition, % 245 (25.7) 117 (29.7) 0.13
Model 1B definition, % 267 (28.0) 126 (32.0) 0.14
Model 2A definition, % 406 (42.6) 178 (45.2) 0.37
Model 2B definition, % 418 (43.8) 181 (45.9) 0.47
Age, years (SD) 954 64.1 (7.13) 394 67.0 (5.91) <0.01
Sex, % male 444 (46.5) 66 (16.8) <0.01
Employment <0.01
Agriculture, % 241 (25.3) 96 (24.4)
Self-employed, % 172 (18.0) 39 (9.9)
Other, % 221 (23.2) 61 (15.5)
Unemployed, % 320 (33.5) 198 (50.3)
Medication use
Dyslipidemia, % 113 (11.8) 64 (16.2) 0.03
Diabetes, % 39 (4.1) 15 (3.8) 0.81
Smoking, % 102 (10.7) 14 (3.6) <0.01
Alcohol consumption, % 466 (48.8) 98 (24.9) <0.01
BMI, kg/m2 (SD) 954 22.7 (2.97) 394 22.2 (2.88) <0.01
Physical activity, % 288 (30.2) 174 (44.2) <0.01
Stress, % 431 (45.2) 184 (46.7) 0.61

The continuous variables are presented as mean (SD) and p-value (t-test). The discrete variables are presented as frequency (%) and p-value (χ2 -test). In Model 1A, HTN is defined by self-report (taking antihypertensive medication). In Model 1B, HTN is defined by self-report (taking antihypertensive medication or under treatment for HTN without medication). In Model 2A, HTN is defined by self-report and measuring BP (taking antihypertensive medication or BP≥140/90 mm Hg for SBP/DBP). In Model 2B, HTN is defined by self-report and measuring BP (taking antihypertensive medication or under treatment for HTN without medication or BP≥140/90 mm Hg for SBP/DBP).

HTN, hypertension; BMI, body mass index.