Table 5.

Assignment of the independent variable

Independent variable	Assignment
Gender	Male = 1; Female = 2
Full-time Education	Did not graduate high school = 1; High school graduate/ GED = 2; College Graduate = 3
Monthly Income	<3000 yuan = 1; 3000 ~ 5000 yuan = 2; >5000 yuan = 3
Marital status	Married/cohabiting = 1; Not in a relationship = 2
Drinking	Yes = 1; No = 2
Exercise habits	Yes = 1; No = 2
LVEF	< 40%=1; 40 ~ 49.9%=2; ≥50%=3
Cardiac-related hospitalizations	No = 1; 1 ~ 2times = 2; 2 ~ 5times = 3; >5times = 4
have a pacemaker	Yes = 1; No = 2
Depression	No = 1; Tendency = 2; Mild = 3; Moderate = 4; Severe = 5
Anxiety	No = 1; Tendency = 2; Mild = 3; Moderate = 4; Severe = 6
PAM-13	Disengaged and overwhelmed = 1; Becoming aware, but still struggling = 2; Taking action = 3; Maintaining behaviors and pushing further = 4
SF	No = 1; prefrailty = 2; Social Frailty = 3
CRI-Autonomy	Continuous variable
CRI-Process Anxiety	Continuous variable
CRI-Outcome Anxiety	Continuous variable
Age	Continuous variable