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Table 1 Variable description

From: Association between falls in elderly and the number of chronic diseases and health-related behaviors based on CHARLS 2018: health status as a mediating variable

Variable Description of variable setting Mean Std. Dev.
Fall No fall = 0, ordinary fall = 1, medical treatment for fall = 2 .3374808 .654105
Chronic Disease The number of chronic diseases .8448952 1.104562
Smoking Yes = 1, quit = 2, no = 3 2.311062 .8677768
Drinking Yes = 1, no = 2 1.695585 .4601982
Sleeptime The amount of time you sleep each day 6.008928 2.065814
Activity Vigorous-intensity activity = 1, Moderate activity =2, Mild activity = 3 2.078064 .8131051
Depression The higher the number, the higher the depression level (range 0–30) 9.58991 6.76546
Pain No = 0, yes = 1 .7030851 .4569377
ADL ADL ability = 0, ADL disability = 1 .2657235 .4417554
Gender Male = 1, female = 2 1.544742 .4980366
Age 60 ~ 69 = 1, 70 ~ 79 = 2, 80 ~ ~ = 3 1.506903 .656535
Education Junior high school or below =1; Senior high school or above =2 1.100051 .3000937
Residence Urban = 1, rural =2 1.721152 .4484707
Economic status Continuous variable, take the log of economy 7.540106 3.073686
Marital status Married = 1, single = 2 1.187489 .3903371
Care With care =1, without care = 2 1.755071 .4300819