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Table 1 Sociodemographic and Clinical Characteristics of 731 smokers and ex-smokers

From: SF-6D utility scores of smokers and ex-smokers with or without respiratory symptoms attending primary care clinics

Characteristics Total (N = 731) Characteristics Total (N = 731)
Sociodemographic   Clinical
Age (year; mean ± SD) 62.2 ± 11.7 Body weight (kg; mean ± SD) 66.9 ± 11.4
Gender (%)   Body height (m; mean ± SD) 1.6 ± 0.1
Male 676 (92.5%) BMI (kg/m2; mean ± SD) 25.0 ± 3.6
Female 55 (7.5%) BMI cutoff  
Education   Underweight (< 18.5) 14 (1.9%)
Primary or below 338 (46.2%) Normal (≥18.50 - < 23) 197 (26.9%)
Middle School 197 (26.9%) Overweight (≥23 - < 25) 176 (24.1%)
High School 153 (20.9%) Obese (≥25) 344 (47.1%)
University or above 43 (5.9%) Hypertension (%) 453 (62.0%)
Occupation   Diabetes (%) 242 (33.1%)
Retired 369 (50.5%) Ischemic Heart Disease (%) 38 (5.2%)
Working 237 (32.4%) Stroke (%) 43 (5.9%)
Others or unknown 125 (17.1%) Spinal deformity (%) 3 (0.4%)
Smoking Status   Chronic pain for at least 6 months (%) 4 (0.5%)
Total Current smoker 353 (48.3%) Other heart disease (%) 14 (1.9%)
 • Light smoker 101 (28.6%) Undertaken Heart or Lung Surgery (%) 2 (0.3%)
 • Moderate smoker 147 (41.6%) Pulmonary tuberculosis (%) 3 (0.4%)
 • Heavy smoker 105 (29.7%)   
Total Ex-smoker 378 (51.7%) Other lung disease (%) 2 (0.3%)
 • Light ex-smoker 52 (13.8%) Any Chronic illness (%) 537 (73.5%)
 • Moderate ex-smoker 109 (28.8%) Number of chronic illnesses (mean ± SD) 1.08 ± 0.84
 • Heavy ex-smoker 212 (56.1%)   
Years since first smoking (year; mean ± SD) 42.9 ± 12.9   
Pack-year (mean ± SD) 34.2 ± 25.1   
  1. BMI body mass index, COPD chronic obstructive pulmonary disease, cpd cigarettes per day