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Table 1 Baseline characteristics according to systolic blood pressure categories

From: High-normal blood pressure and long-term risk of type 2 diabetes: 35-year prospective population based cohort study of men

   Systolic blood pressure categories
  All <130 mm Hg 130-139 mm Hg 140-159 mm Hg ≥160 mm Hg  
Characteristics N = 7 333 (n = 1278) (n = 1315) (n = 2623) (n = 2117) p-values*
Age, years, mean (SD) 51.6 51.2 51.3 51.6 51.9 <0.0001
  (2.3) (2.3) (2.4) (2.3) (2.1)  
Body Mass Index kg/m2, mean (SD) 25.5 24.4 25.2 25.6 26.3 <0.0001
  (3.2) (2.9) (2.9) (3.2) (3.5)  
Obesity. BMI ≥30, % (n) 8.1 3.4 5.6 8.2 12.6 <0.0001
  (597) (43) (73) (214) (267)  
Diastolic blood pressure, mm Hg, mean (SD) 95 82 88 94 107 <0.0001
  (13) (8) (8) (8) (12)  
Hypertension treatment, % (n) 5.4 0.7 0.7 3.2 13.8 <0.0001
  (396) (9) (9) (85) (293)  
Serum cholesterol mmol/L, mean (SD) 6.46 6.22 6.47 6.47 6.61 <0.0001
  (1.15) (1.08) (1.10) (1.17) (1.18)  
Never smokers, % (n) 29.5 27.2 27.1 29.7 32.0 0.0004
  (2152) (347) (355) (775) (675  
Former smokers, % (n) 20.4 19.0 20.9 21.3 20.0 0.68
  (1493) (242) (273) (555) (423)  
Current smokers, % (n) 50.1 53.8 52.0 49.0 48.0 0.0004
  (3660) (686) (681) (1279) (1014)  
Physically active, % (n) 16.0 18.3 17.6 16.1 13.5 <0.0001
  (1156) (232) (228) (414) (282)  
Non-manual occupation 27.9 31.2 29.4 27.8 25.1 <0.0001
  (2044) (399) (386) (728) (531)  
  1. SD = standard deviation. BMI=Body Mass Index. *P-values calculated by chi-square trend test for categorical variables and by Spearman correlation test for continuous variables.