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Table 1 Selected sociodemographic characteristics by gender and smoking status

From: No difference in hypertension prevalence in smokers, former smokers and non-smokers after adjusting for body mass index and age: a cross-sectional study from the Czech Republic, 2010

Characteristic   Total Males Females Non-smokers Smokers Former smokers
   (mean age 46.600 yrs SD 17.700) (mean age 45.400 yrs SD 17.300) (mean age 47.800 yrs SD 18.000)    
Number of subjects 2065 1014 1051 1155 562 348
  N (%) N (%) N (%) N (%) N (%) N (%)
Age, years 18–29 yrs. 430 (20.800) 226 (22.300) 204 (19.400) 263 (22.800)** 127 (22.600) 40 (11.500)
30–44 yrs. 557 (27.000) 284 (28.000) 273 (26.000) 317 (27.500) 169 (30.100) 71 (20.400)**
45–59 yrs. 546 (26.400) 268 (26.400) 278 (26.500) 251 (21.700) 178 (31.700)** 117 (33.600)**
≥60 yrs. 532 (25.800) 236 (23.300) 296 (28.200) 324 (28.100)** 88 (15.500) 120 (34.500)**
Highest education achieved Without A-level 1203 (58.300) 611 (60.200) 592 (56.300) 645 (55.900) 361 (64.200)** 197 (56.600)
With A-level 652 (31.600) 293 (28.900) 359 (34.200)** 385 (33.300)** 156 (27.800) 110 (31.900)
University 203 (9.800) 107 (10.600) 96 (9.100) 119 (10.300) 45 (8.000) 39 (11.200)
N/A 7 (0.300) 3 (0.300) 4 (0.400) 6 (0.500) 0 (0.000) 1 (0.300)
BMI category (kg/m-2) Underweight (<18.500) 40 (1.900) 7 (0.700) 33 (3.100)** 29 (2.500)** 8 (1.400) 3 (0.900)
Normal weight (18.500–24.999) 886 (43.000) 385 (38.000) 501 (47.700)** 520 (45.100)** 258 (45.900) 108 (31.000)
Overweight (25.000–29.999) 701 (33.900) 406 (40.000)** 295 (28.100) 378 (32.700) 183 (32.600) 140 (40.200)**
Obese (≥30.000) 438 (21.200) 216 (21.300) 222 (21.100) 227 (19.700) 113 (20.100) 97 (27.900)**
Blood pressure Yes 461 (22.300) 217 (21.400) 244 (23.200) 266 (23.000) 90 (16.000)** 105 (30.200)
  No 1604 (77.700) 797 (78.600) 807 (76.800) 888 (76.900) 474 (84.200) 242 (69.500)
Smoking status Non-smoker 1155 (55.900) 475 (46.800) 680 (64.700)** X x x
Smoker 562 (27.200) 335 (33.200)** 227 (21.500) X x x
Former smoker 348 (16.900) 203 (20.000)** 145 (13.800) X x x
  1. Statistical significance was measured by Pearson Chi-square test at the level of significance 95 % (p = 0.050) **significantly higher