Table 1.

Variable definitions and descriptive statistics, n = 615.

Variable	Variable descriptions	Mean/%	Standard deviation	n
Dependent variable
Digital health literacy	From low to high level 3–15	7.407	2.008	615
Core independent variable
Health condition	Excellent = 1, Very good = 2, Good = 3, Not good = 4, Poor = 5	2.585	1.011	615
Replaceable independent variable
Health concerns	Never = 1, rarely = 2, sometimes = 3, often = 4, always = 5	1.584	0.821	615
Control variable
Gender	Male = 1, Female = 0	44.6%	0.497	615
Marital status	Married = 1, Unmarried = 0	46.8%	0.499	615
Education level	Higher education than high school = 1, High school and below = 0	53.5%	0.499	615
Registered residence	Non-farm household registration = 1, Agricultural household registration = 0	44.7%	0.498	615
Political status	Party member = 1, Others = 0	8.3%	0.276	615
Work situation	Job = 1, No job = 0	60.0%	0.490	615
Economic situation	Average level and above = 1, Below average level = 0	70.1%	0.458	615
Mediating variable
Physical exercise	Never = 1, Once a month or less = 2, Many times a month = 3, Many times a week = 4, Every day = 5	3.102	1.289	615
Province	Province, dummy variable	–	–	–