| Measurements | Preferences for informal care |
| Items | 1. I am happy to be taken care of by my family. |
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| 2. I want to be taken care of by people I know. |
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| *3. I do not want to be taken care of by my family members. |
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| 4. It is desirable to be taken care of by family members. |
| Measurements | Awareness of family care |
| Items | 1. Family members should provide nursing care. |
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| 2. The family must care for the older people. |
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| 3. If the older people want family care, they should be cared for by family members. |
| Measurements | Psychological indebtedness |
| Items | Refer to Table 4 |
| Measurements | Loneliness |
| Items | Refer to Table 5 |