Table 1: Basic characteristics of study subjects (n=617)
Characteristics Number (%), unless otherwise specified
Mean age (SD) [years]   52.9+9.5
Gender    
  Female   314 (50.9)
  Male   303 (49.1)
Smoking status*    
  Never smoked   564 (91.7)
  Ever smoked   51 (8.3)
Mean BMI (SD) [kg/m2]   24.0+3.2
Mean SBP in office (SD) [mmHg]   153.+11.8
Mean DBP in office (SD) [mmHg]   89.8+7.6
Presence of diabetic mellitus*    
  No   563 (91.4)
  Yes   53 (8.6)
Presence of anxiety    
  No   535 (86.7)
  Yes   82 (13.3)
Family history of CVS diseases*    
  No   437 (71.4)
  Yes   175 (28.6)
Education level*    
  University   109 (30.1)
  Post-secondary   89 (24.6)
  Secondary   139 (38.4)
  Primary or below   25 (6.9)
Occupation*    
  Professional   109 (19.1)
  Manager   57 (10.0)
  Disciplinary   36 (6.3)
  Clerical   148 (25.9)
  Labor   32 (5.6)
  Nil   68 (11.9)
  Others   32 (5.6)
  Retired   89 (15.6)
       
* total number does not add up to 617 due to missing data