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. 2015 May;44(5):625–638.

Table 1:

General characteristics of the study population, n (%) or Mean ± SD. Data are expressed as mean ± standard deviation or n (%)

Variables Overall (n=13877)
Age, yr 48.5±15.1
  20–29 2110 (15.2)
  30–39 2053 (14.8)
  40–49 2238 (16.1)
  50–59 3976 (28.7)
  60–79 3500 (25.2)
Gender
  Male 6477 (46.7)
  Female 7400 (53.3)
Education level
  Less than high school 7610 (54.8)
  High school 5827 (42.1)
  College or above 439 (3.1)
Waist circumference, cm
   ≥80 (female) or 90 (male) 9782 (0.70)
  <80 (female or 90 (male) 4163 (0.30)
BMI, kg/cm
  ≥25 3094 (22.3)
  18.5–24.9 9588 (69.1)
  <18.5 984 (7.1)
Smoking background
  Currently a smoker 6244 (0.45)
  Never smoked 6938 (0.50)
Smoking index, pack-years 8.2±23.5
Passive smoke
Never 2456 (0.18)
Ever 11420 (0.82)
Drinking history
Never 5210 (37.5)
Ever 8667 (62.4)
Household solid fuel exposures, cooking or heating
Exposure duration, year 22±1.62
Total amount, ton 16.2±10.6
Average amount the whole life, ton/year 256.7±211.4
Hypertension
Yes 2775 (20)
No 11102 (80)
Coronary heart disease
Yes 402 (2.9)
No 13475 (97.1)
Stroke
Yes 235 (1.7)
No 13642 (98.3)
Diabetes
Yes 534 (3.8)
No 13343 (96.2)
Dyslipidemia
Yes 1838 (13.2)
No 12039 (86.8)