Figure 1.

Characteristics of the elderly_
| Number | Age (years) | Gender | Duration of living (year) | Educational level | Occupational status |
|---|---|---|---|---|---|
| E1 | 80 | Female | 4 | Primary school | Farmer |
| E2 | 72 | Female | 7 | Primary school | Retired |
| E3 | 88 | Male | 3 | Primary school | Retired |
| E4 | 88 | Female | 3 | Senior school | Retired |
| E5 | 78 | Female | 8 | Primary school | Retired |
| E6 | 87 | Female | 8 | Primary school | Farmer |
Characteristics of the personnel_
| Number | Age (years) | Gender | Work experience (year) | Educational level | Occupational status |
|---|---|---|---|---|---|
| S1 | 37 | Female | 10 | Undergraduate | Social worker |
| S2 | 34 | Female | 10 | Undergraduate | Social worker |
| S3 | 21 | Female | 2 | Undergraduate | Social worker |
| N | 26 | Female | 5 | Undergraduate | Nurse |
| D | 41 | Female | 20 | Undergraduate | Doctor |
Categories from data analysis_
| Category and themes | Number of reference points |
|---|---|
| Barriers | |
| Insufficient awareness of the elderly | |
| The awareness and acceptance of older people for activities are low | 3 |
| Traditional cognitive factors | 2 |
| Negative psychological and social state of the elderly | |
| Pessimistic about later life | 2 |
| Unwilling to intact with others | 2 |
| Decreased physical function on the elderly | |
| Physiological frailty | 3 |
| Suffering from illness | 2 |
| Design factors of HA | |
| Content of activities is not attractive | 2 |
| Potential hazards of HA | 4 |
| Unsuitable places for placement | 1 |
| Facilitators | |
| The strength of expectations | |
| The frail elderly wish to participate | 2 |
| Personnel looking forward to participate | 3 |
| Make full use of manpower resource | |
| Utilize advantages of all parties | 2 |
| Expect assist from others | 2 |