Table 3

Sociodemographic characteristics of the participants by insurance status

CharacteristicsAllWithout local insuranceWith local insuranceP value*
n (%)n (%)n (%)
Age (mean, SD), years55.5 (11.04)60.0 (0.48)50.9 (0.50)
 18–44144 (17.0)35 (8.2)109 (26.1)<0.001
 45–60409 (48.3)167 (38.9)242 (57.9)
 >60294 (34.7)227 (52.9)67 (16.0)
Gender
 Male503 (60.7)196 (47.5)307 (73.8)<0.001
 Female326 (39.3)217 (52.5)109 (26.2)
Education
 Primary school and below219 (25.3)153 (35.3)66 (15.2)<0.001
 Middle school297 (34.3)134 (30.9)163 (37.6)
 High school and equivalent238 (27.5)106 (24.5)132 (30.5)
 3 year college and above112 (12.9)40 (9.2)72 (16.6)
Registration
 Locals133 (16.0)0 (0.0)133 (30.4)
 Migrants700 (84.0)396 (100.0)304 (69.6)
Occupation
 Employed484 (55.8)142 (32.6)342 (79.2)<0.001
 Unemployed383 (44.2)293 (67.4)90 (20.8)
Year of hypertension (mean, SD)6.0 (5.94)6.8 (0.32)5.2 (0.26)<0.001
Family history of hypertension
 Yes384 (45.2)188 (43.6)196 (46.8)<0.001
 No323 (38.0)148 (34.3)175 (41.8)
 Unknown143 (16.8)95 (22.0)48 (11.5)
  • *Chi-square test; year of hypertension was continuous with a mean (SD) presented; mean age (SD) was presented.