| | Variable | Variable name | Variable value | The meaning of variable value |
| | X14 | Age | {1, 2, 3, 4, 5} | 1 = 18 years old and below, 2 = 19 to 28 years old, 3 = 29-38 years old, 4 = 39 to 48 years old, and 5 = 49 years old and above | | X15 | Sex | {1, 2} | 1 = male and 2 = female | | X18 | Educational level | {1, 2, 3, 4, 5} | 1 = primary school and below, 2 = junior high school, 3 = high school or technical secondary school, 4 = specialist, and 5 = undergraduate and above | | X20 | Personal income | {1, 2, 3, 4, 5} | 1 = 1000 and below, 2 = 1000-3000, 3 = 3000-5000, 4 = 5000-7000, and 5 = 7000 above | | X22 | Number of family members | {1, 2, 3, 4, 5} | , , , , and and above | | X16 | Marital status | {1, 2, 3, 4} | 1 = unmarried, 2 = married, 3 = divorced, and 4 = widow | | X35 | Knowledge of information | {1, 2, 3, 4, 5} | 1 = conflict, 2 = is unwilling, 3 = is general, 4 = is willing, and 5 = is very willing | | X36 | Awareness of information acceptance | {1, 2, 3, 4, 5} | 1 = is very confused, 2 = does not understand, 3 = is general, 4 = understands, and 5 = knows very well | | X37 | The ability to receive information | {1, 2, 3, 4, 5} | 1 = is very bad, 2 = is bad, 3 = is general, 4 = is strong, and 5 = is very strong |
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