The relevant contents are as follows:
The basic ADL of the elderly is measured by six activities: eating, dressing, bathing, going to the toilet, getting on and off the bed and walking indoors.
All instrumental self-care ability (IADL) includes sweeping the floor, cooking, washing clothes, buying vegetables (daily shopping) and managing money, but the latter two items are missing, so only the first three items are included in the analysis.
In the third stage of the survey, there are three kinds of physical activity abilities: lifting 20 kilograms of heavy objects, walking 3-4 miles, and going up and down stairs. However, due to a large number of missing items in the survey data, the only physical activity that can be used is to lift 20 kilograms of heavy objects and walk 3-4 miles.
Self-care ability of daily life and physical activity ability are divided into three options: effortless, a little difficult and impossible. When analyzing the dynamic changes of self-care ability of the elderly, the self-care ability is divided into three levels: complete self-care, partial self-care and complete self-care.
For example, ADL's complete self-care means that it can complete six activities, and partial self-care means that at least one of them is "somewhat difficult" to do, but none of them is completely impossible; Being completely unable to take care of yourself means that at least one activity cannot be completed.
Disability includes partial self-care and complete self-care. If it is difficult to answer any of the three fields of basic self-care ability, instrumental self-care ability and physical activity ability when analyzing the hierarchical structure of the disability of the elderly, it is considered that the elderly are disabled in this field.