Table 1 The content of the sessions

Introduction session

1. Initial assessment

2. Getting to know the group members

3. Summarize the contents for the group members (introduction)

The first hospital session

1. Determining and prioritizing problems

2. Explaining the session plan

3. Explaining the problem-solving process based on the components of the COPE model

4. Teaching how to apply the problem-solving process based on the COPE model regarding the first problem, the model components include: Creativity: Since creativity is an intellectual and motivational activity, in this regard, the caregiver was encouraged to be able to see different aspects of the problem and come up with new ideas. Optimism: the caregiver was guided to have a positive and at the same time realistic and flexible attitude towards the problem-solving process

Planning: To solve problems, the caregiver was directed to follow a regular and accurate approach to identify, solve problems. Expert advice: Caregivers seek to receive information from health professionals to understand different aspects of the disease, situations, problems, and care needs of their patients

The first WhatsApp call session

1. Checking the hours of reading the booklet according to the first problem. 2. Monitoring the program implementation

3. Answering the questions

4. Determining the second priority problem

5. Encourage the caregiver to read the materials related to the second problem before the second WhatsApp call session

6. Advice for determining the time of the next WhatsApp call

The second WhatsApp call session

1.Teaching how to apply the problem-solving process based on the COPE model regarding the second problem, the model components include: Creativity, Optimism, Planning, Expert advice

2. Creation of a brainstorm by the researcher for the caregivers

3. Explanation about the first determined problem and encouraging the caregiver to use the related materials in the booklet.

The second hospital session

1. A brief review of the problem-solving process based on the components of the COPE model

2. Reviewing the chapter on the second problem specified in the booklet

3. Completing the explanation about the second problem and encouraging the caregiver to use the related chapter in the booklet

4. Asking What they have done about the problem raised in the previous session

5. Providing more solutions regarding the second problem……

The third WhatsApp call session

1. A brief review of the problem-solving process based on the components of the COPE model

2. Teaching the problem-solving process about the third problem based on the COPE model

3. Completing the explanation about the second problem and encouraging the caregiver to use the related chapter in the booklet

4. Asking What they have done about the problem raised in the previous session.

5. Setting the time of the next WhatsApp call

The fourth WhatsApp session

1. Checking the hours of reading the booklet according to the first problem 2. Monitoring the program implementation,

3. Answering the questions,

4. Determining the time to complete the questionnaires