Table 1 Definition of variables, variable assignment, and descriptive statistics results
Items | Variables | Variable Value | Mean | Standard Deviation | Minimum Value | Maximum value | Nature of Variables |
|---|---|---|---|---|---|---|---|
Dependent Variable | Health Information Search Behavior | If participating, its value is 1; otherwise, its value is 0 | 0.435 | 0.496 | 0 | 1 | Categorical Variables |
Digital Health Management Behavior | If participating, its value is 1; otherwise, its value is 0 | 0.228 | 0.420 | 0 | 1 | Categorical Variables | |
Online Health Consultation Behavior | If participating, its value is 1; otherwise, its value is 0 | 0.151 | 0.358 | 0 | 1 | Categorical Variables | |
Internet-based medication purchase behavior | If participating, its value is 1; otherwise, its value is 0 | 0.118 | 0.323 | 0 | 1 | Categorical Variables | |
DH_behavior | A value of 1 is assigned if any of the aforementioned behaviors occur; otherwise, the value is 0 | 0.468 | 0.499 | 0 | 1 | Categorical Variables | |
DH_behavior_diversity | Summing the values of the aforementioned four behaviors | 0.930 | 1.239 | 0 | 4 | Categorical Variables | |
Key Explanatory Variables | Digital Literacy 1 | Calculated digital literacy based on factor analysis and applied the 3-sigma rule to eliminate negative values | 1.100 | 0.787 | 0.002 | 2.590 | Continuous Variables |
Digital Literacy 2 | The direct summation of scores for each item in digital literacy | 7.254 | 3.485 | 0 | 13 | Continuous Variables | |
Health Literacy 1 | Calculated health literacy based on factor analysis and applied the 3-sigma rule to eliminate negative values | 16.500 | 6.297 | 0.015 | 33.646 | Continuous Variables | |
Health Literacy 2 | The direct summation of scores for each item in health literacy | 10.217 | 3.312 | 2 | 19 | Continuous Variables | |
Main Control Variables | Gender | Female = 0, Male = 1 | 0.624 | 0.485 | 0 | 1 | Categorical Variables |
Age | Actual survey value (unit: years) | 54.814 | 12.925 | 18 | 85 | Continuous Variables | |
Marital Status | Married = 1, Unmarried = 0 | 0.894 | 0.309 | 0 | 1 | Categorical Variables | |
Years of Education | Actual survey value (Unit: years) | 8.837 | 2.699 | 0 | 15 | Continuous Variables | |
Self-rated Health | Extremely poor = 1; Poor = 2; Average = 3; Good = 4; Excellent = 5 | 2.997 | 0.960 | 1 | 5 | Categorical Variables | |
Family Size | Actual survey value (unit: individuals) | 3.276 | 1.007 | 2 | 6 | Categorical Variables | |
Average Monthly Family Income | Actual survey value (unit: yuan) | 4516.967 | 2329.139 | 0 | 12,000 | Continuous Variables | |
Distance to the Nearest Healthcare Facility | Actual survey value (unit: kilometers) | 2.502 | 0.475 | 1.5 | 3.8 | Continuous Variables | |
Village Characteristics | A Village, B Village, C Village, D Village, E Village | A = 1; B = 2; C = 3; D = 4; E = 5 | 3.200 | 1.300 | 1 | 5 | Categorical Variables |
Instrumental Variables | Instrumental Variable 1 | Values computed based on the specified algorithm | 1.094 | 0.374 | 0.729 | 1.759 | Continuous Variables |
Instrumental Variable 2 | 10.168 | 3.131 | 4.990 | 14.946 | Continuous Variables |