Table 1 Categorization of Variables
From: The willingness and influencing factors to choose smart senior care among old adults in China
Variable name | Categorization |
|---|---|
Demographic characteristics | |
 Age | Aged 60–69 = 0, Aged 70–79 = 1, or Aged 80+ = 2 |
 Gender | Female = 0, male = 1 |
 Registered residence | Rural = 0, urban = 1 |
 Years of education | No education = 0, 1–6 years = 1, or 7 or more years of education = 2 |
 Pre-retirement occupation | A dichotomized variable - 1 if the participants had a formal job before retirement, 0 if not. |
Security factors | |
 National health insurance enrollment | Enrolled in Urban Employer Medical Scheme, UEMS = 0, Enrolled in Urban Resident Medical Scheme, URMS = 1, Enrolled in New Rural Cooperative Medical System, NRCMS = 2 |
 Monthly income (RMB) | Less than 1000 = 0, 1000–1999 = 1, 2000–2999 = 2, 3000–3999 = 3, or more than 4000 = 4 |
 Live with a spouse | A dichotomized variable - 1 if the participants’ have living spouse, 0 if not |
 Number of children | One child or 0 = 0, two children = 1, three children = 2, and four or more children = 3 |
 Frequency of children visiting parents | Everyday = 0, weekly = 1, semimonthly = 2, monthly+ = 3 |
 Primary caregiver | Spouse = 0, children = 1, oneself = 2, and others = 3 |
 Perceived adequacy of senior care received | A dichotomized variable - 1 if the participants could receive adequate senior care, 0 if not |
Health factors | |
 Self-reported health | A dichotomized variable - well = 0 and worse = 1 |
 Any IADL disability | A dichotomized variable −1 if the participants needed any help performing the following tasks: visiting neighbors, washing clothes, walking 1 kilometer, shopping, cooking, lifting 5 kg, crouching, and standing up three times, and using public transportation, 0 if not |
 Hospitalization within a year | Yes = 1, no = 0 |
 Any chronic diseases | A dichotomized variable - 1 if the participants reported hypertension, heart diseases, cerebrovascular diseases, or other diseases, 0 if not |
 Frequency of physical examination | Half a year = 0, annually = 1, biennial = 2, and more than 2 years = 3 |
Participation factors | |
 Smartphone use | A dichotomized variable - 1 if the participants used smartphone, 0 if not |
 Familiarity with smart senior care | A metataxonomic variable, according to the participants’ stated knowledge about smart senior care. Know very well = 0, just heard of = 1, incomprehension = 2 |
 Attitude towards smart senior care | A dichotomized variable - 1 if the participants were supportive of smart senior care, 0 if not |