Skip to main content

Table 1 General characteristics of the study population, N (%) or Mean ± SD

From: In-home solid fuel use and cardiovascular disease: a cross-sectional analysis of the Shanghai Putuo study

Variables Overall (N = 14,068)
Age, yrs 48.6 ± 16.6
   18-29 2,323(16.5)
   30-39 2,211 (15.7)
   40-49 2,238 (15.9)
   50-59 3,813 (27.1)
   60 ≥ 3,483 (24.8)
Gender  
   Male 6,463 (45.9)
   Female 7,605 (54.1)
Education  
   Less than high school 5,661 (40.3)
   High school 6,604 (43.1)
   College or above 2,341 (16.6)
BMIa, kg/cm2 23.1 ± 3.2
   ≥ 25.0 3,599 (25.6)
   18.5-24.9 9,525 (67.9)
   < 18.50 905 (6.5)
Waist circumferenceb, cm  
   ≥ 80 (female) or 90 (male) 10,127 (72.5)
   < 80 (female) or 90 (male) 3,845 (27.5)
Second-hand smoke  
   Never 3,106 (22.1)
   Ever 10,960 (77.9)
Smoking  
   Current smoker 3,215 (23.5)
   Ex-smoker 651 (4.8)
   Never smoker 9,791 (71.7)
Amount of smoking, pack-years 6.8 ± 21.3
Household solid fuel exposures  
   Duration, yr 19.0 ± 1.54
   Total amount, 1000 kg 12.9 ± 12.6
   Lifetime average amount, kg/year 236.3 ± 209.6
Hypertension  
   Yes 2,673 (19.0)
   No 11,395 (81.0)
Coronary heart disease  
   Yes 572 (4.1)
   No 13,496 (95.9)
Stroke  
   Yes 339 (2.4)
   No 13,729 (97.6)
Diabetes  
   Yes 684 (4.9)
   No 13,384 (95.1)
  1. Note: The number of subjects may not total 100% (N = 14,068) due to missing.
  2. a Classified by the international classification of adult underweight ( < 18.5), normal (18.5-24.9), and overweight or obese (≥ 25.0) according to WHO cut-off point; b Classified by the Asia-Pacific guidelines for the management of obesity (WHO 2000).