Group

n =

Age

Educational level

Control Group

100

33.96 ± 5.12

Junior high school and below: 6

High school: 22

Junior college: 29

Bachelor degree and above: 43

Experimental Group

121

33.15 ± 5.13

Junior high school and below: 6

High school: 29

Junior college: 29

Bachelor degree and above: 57

P

>0.05

>0.05