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Table 1 Characteristics of the study populations

From: Analysis of the current status and associated factors of tuberculosis knowledge, attitudes, and practices among elderly people in Shenzhen: a cross-sectional study

Variables   n/mean %/SD
Total   1078 100.00
Age (years)   71.42 5.22
BMI (kg/m2)   23.67 3.33
Gender Male 488 45.40
Female 587 54.60
Residence Local residents 237 21.99
Others 825 77.68
Education level Primary school or lower 582 54.65
Junior high school or higher 483 45.35
Marital status Married 933 89.37
Unmarried/widowed/divorced 111 10.68
Occupation Workers or administrators 204 19.05
Farmers or others 867 80.95
Medical insurance Yes 769 72.89
No 286 27.11
Family annual income per capita (RMB) Less than 100,000 743 71.44
More than 100,000 297 28.56
Self-perceived health status Good 494 47.45
Fair 481 46.21
Bad 66 6.34
Cigarette smoker Current smoker 118 10.97
Ex/non-smoker 958 89.03
Alcohol drinker Current drinker 100 9.28
Ex/non-drinker 978 90.72
Previously treated for TB Yes 33 3.13
No 1020 96.87
Family members or friends with a previous TB history Yes 33 3.09
No 1036 96.91
  1. Abbreviations: SD = standard deviation, BMI = body mass index, TB = tuberculosis