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Table 2 Odds ratio for hypertension among subgroups by smoking status, gender, age, body mass index and education

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

Variables Univariate analyis Multivariate analysis
(N = 2065, *N = 2057) (N = 2057)
OR (95 % CI)** p value** OR (95 % CI)** p value**
Smoking status     
Non-smoker Reference - Reference -
Smoker 0.620 (0.480–0.810) <0.001 0.760 (0.560–1.040) 0.082
Former smoker 1.452 (1.110–1.900) <0.006 1.020 (0.740–1.390) 0.915
Gender     
Male Reference - Reference  
Female 1.110 (0.900–1.370) 0.322 1.040 (0.810–1.340) 0.757
Age category     
18–29 yrs. Reference - Reference -
30–44 yrs. 1.470 (0.790–2.730) 0.222 1.120 (0.600–2.090) 0.728
45–59 yrs. 8.810 (5.170–15.030) <0.001 5.770 (3.340–9.960) <0.001
60 and more yrs. 27.490 (16.250–46.520) <0.001 17.400 (10.160–29.790) <0.001
BMI category     
Normal weight + underweight Reference - Reference -
Overweight + Obese 5.350 (4.130–6.950) <0.001 3.550 (2.660–4.730) <0.001
Education*     
Basic school + vocational education (=missing A level) Reference - Reference -
A-level 0.680 (0.540–0.860) <0.001 0.900 (0.680–1.180) 0.430
University 0.730 (0.500–1.060) 0.094 0.870 (0.560–1.340) 0.518
  1. **OR - odds ratio reports measure of relative risk of hypertension in 95 % confidence interval. The p-value of Waldo test higher than 0.050 means that the cathegory does not belong to the model. Odds ratio higher than 1 means that the probability of hypertension increases in this cathegory