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Table 4 Multiple linear stepwise regression analysis of TB knowledge TB among the elderly population

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 B SE Beta t P 95% CI
Education level (ref. primary school or lower)
 Junior high school or higher 0.278 0.086 0.109 3.210 0.001 0.108 to 0.447
Family annual income per capita (RMB) (ref. less than 100,000)
 More than 100,000 −0.377 0.095 −0.135 −3.973 < 0.001 −0.563 to − 0.191
 Self-perceived health status −0.245 0.072 −0.115 −3.379 0.001 −0.387 to − 0.103
Family members or friends with a previous TB history (ref. no)
 Yes 0.624 0.238 0.088 2622 0.009 0.157 to 1.091
 Intercept 3.413 0.225   15.147 < 0.001 2.971 to 3.855
  1. Abbreviations: TB = tuberculosis, SE = standard error
  2. * The self-perceived health status variable was rated as follows: good = 1, fair = 2, bad = 3