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

Table 6 Multiple linear stepwise regression analysis of TB practice among the elderly population

Variables	B	SE	*Beta*	t	P	95% CI
Age (years)	0.028	0.010	0.096	2.692	0.007	0.007 to 0.048
Medical insurance (ref. yes)
No	−0.494	0.113	−1.161	−4.375	< 0.001	−0.716 to − 0.272
Education level (ref. primary school or lower)
Junior high school or higher	0.331	0.104	0.115	3.181	0.002	0.127 to 0.536
Family annual income per capita (RMB) (ref. less than 100,000)
More than 100,000	−0.340	0.114	−0.108	−2.993	0.003	−0.564 to − 0.117
Intercept	1.800	0.799		2.252	0.025	0.231 to 3.370

Abbreviations: TB = tuberculosis, SE = standard error
* The self-perceived health status variable was rated as follows: good = 1, fair = 2, bad = 3

ISSN: 1471-2458