Eligibility criteria
All children with type I diabetes and their parents who met the inclusion criteria were selected by random sampling.
Inclusion criteria were patients aged 6–14 years old with confirmed type I diabetes (fasting sugar above 126 mg/dc) for at least 2 months [
18] who lived with their parents in Kerman and who had not participated in any other official diabetes-related programs other than routine hospital training in the previous month.
For individuals to be deemed eligible for inclusion in the study, it was necessary that parents had access to a smartphone with WhatsApp software installed, proficiency in the Persian language, and the ability to operate a smartphone.
The study’s exclusion criteria encompassed children with diabetes who had an additional chronic or acute condition, such as asthma [
1], and family members who were part of the healthcare team [
9]. The rationale behind excluding patients with other diseases was based on the study’s focus on the empowerment of diabetic patients, as co-morbidities could potentially introduce confounding factors. Hence, such patients were excluded from the study.
Furthermore, if parents failed to complete the questionnaires, or if 10% of the questions were left unanswered, they would be excluded from the study.
Interventions
In order to conduct the research, the researcher visited the research settings, provided a detailed explanation of the study’s purpose to the participants and obtained written informed consent from parents and patients aged seven years and older, based on their level of understanding. In instances where parents were hesitant to participate in the study, the objectives were further clarified to ensure cooperation. Additionally, as an incentive for children’s participation, age-appropriate gifts were provided.
The parents were randomly assigned to either the control or the intervention groups. Prior to the intervention, parents completed demographic characteristic and Zarit Burden questionnaires. The research team, consisting of a PhD nurse from the medical-surgical and a PhD nurse from pediatric departments, and a MSN nurse, met the parents and their children in the clinical setting. During two one-hour sessions, the research team explained the study’s purpose and provided guidance to parents in the intervention group on how to access and view specific files, which were tailored to their children’s needs. Additionally, the team provided instructions on when and how to show the films to their children, and how to contact the researchers should any questions or concerns arise.
In this study, WhatsApp was utilized as a means of delivering instructional cartoons and files to both children and parents. These files were sent over a period of one month. Educational files were specifically designated for parents and sent on Friday mornings, allowing ample time for review prior to the next session. In addition, previous session content was summarized, enabling parents to focus on their child’s specific needs with the opportunity for private consultation or the delivery of a specialized video for individualized guidance.
The Alhani empowerment model was employed by the researchers which consists of four key components: (1) perceived threat, (2) skill and self-efficacy achievement, (3) increasing self-confidence through educational participation, and (4) evaluation [
19]. The overarching aim of the study was to empower parents by increasing their knowledge and skillset in the care of children with diabetes. This approach was deemed essential for effective management of the disease.
In addition to routine training, the research team created educational pamphlets and videos that were approved by a pediatric endocrinologist for enhancing the knowledge of the intervention group.
During the first week of the intervention, the researchers provided information on diabetes, including its causes and contributing factors, as well as early and late complications. Additionally, the team discussed symptoms of both hypoglycemia and hyperglycemia, drug interactions, measures to take in times of danger, and how to calculate the appropriate insulin dose during periods of high blood sugar. Furthermore, the researchers provided guidance on the first center to contact in the event of any diabetes-related problems.
During weeks two of the intervention, the researchers focused on educating the intervention group about the diabetic diet and its impact on blood sugar control. Specifically, the team provided information on the carbohydrate content of various foods and the importance of carb counting during each meal. In weeks three and four, the researchers taught parents how to use a glucometer to assess blood sugar levels, how to draw and store insulin, appropriate injection techniques, and how to provide self-care. Additionally, the team discussed the importance of frequent and periodic visits, the benefits of walking and regular exercise, and how physical activity can help lower blood sugar levels.
To facilitate learning for children, instructional cartoons were also provided during the intervention. In order to increase self-efficacy among parents, a video was created to demonstrate correct insulin injection techniques. Additionally, parents were encouraged to improve their self-confidence by acting as health liaisons for their children and discussing diabetes-related issues with them. Finally, the effectiveness of the intervention was evaluated through sessions focused on empowerment, knowledge acquisition, and self-efficacy.
The assessment of knowledge was conducted at the beginning of each session, whereby parents were asked to respond to two oral questions related to the previous session’s content, while children were asked to describe the previous film or answer one question based on their age. Following the assessment, new content was presented. To evaluate self-efficacy, the researchers requested that both parents and children demonstrate or perform a skill via video call.
In the control group, parents and children received routine training provided by hospital personnel. Caregiver burden was measured for both intervention and control groups prior to, immediately following, and two months after the intervention. Additionally, HbA1C levels were measured before and two months after the intervention, with the analyzer remaining blinded to the participants’ group assignments.
Sample size
In the present study, the sample size was estimated using a combination of the sample size formula and previous relevant studies [
11]. The required sample size for this research was determined to be 50 for each of the control and intervention groups while ensuring that the groups were matched for age, sex, and laboratory testing location.
To recruit participants, the researchers visited several clinics and the endocrinology department of diabetes hospitals affiliated with Kerman University of Medical Sciences in Iran. Using a lottery method, the researchers randomly selected 100 children diagnosed with type 1 diabetes from checklists in the clinics, and subsequently assigned 50 children to each group. On days when parents brought their children to the ward, the research team interacted with parents and children, and enrolled them into either the control or intervention group if they expressed interest and were satisfied with the study requirements.
$$n = \frac{{{{\left( {{z_{1 - \frac{\alpha }{2}}} + {z_{1 - B}}} \right)}^2}\left( {d_1^2 + d_2^2} \right)}}{{{{\left( {{\mu _1} - {\mu _2}} \right)}^2}}}$$
$$n = \frac{{{{\left( {1.96 + 0.85} \right)}^2}\left( {15.3 * 15.3 + 18.35 * 18.35} \right)}}{{{{\left( {47.2 - 40.4} \right)}^2}}}$$
97.4738=
Measurements
In this research, data collection tools comprised of a demographic information questionnaire, the Zarit burden of caring caregivers questionnaire, and the HbA1c log sheet.
A)
Demographic information questionnaire: The demographic information questionnaire included items related to the child’s age, father’s age, mother’s age, child’s weight, duration of illness, admission numbers, sex, birth rank, education level of the child, education levels of parents, occupations of parents, and marital status of parents.
B)
The Zarit burden of caring caregivers questionnaire: This 22-item questionnaire was designed by Zarit et al. in 1986 to determine the extent of the burden. The validity and reliability of this questionnaire were confirmed in previous studies. The reliability of this questionnaire was confirmed using the retest method (0.94) and its validity, in addition to content validity, was confirmed using the Hamilton anxiety rating scale (r = 0.67) and Beck’s depression inventory (r = 0.89) [
16]. Each question was rated on a 5-point Likert scale from zero (never) to four (always) with the sum of scores ranging between 0 and 88. A score of 0–20 was considered no burden, 21–40 was considered a moderate burden, 41–60 was considered moderate to severe burden, and 61–88 was considered a severe burden. The reliability and validity of the Persian version of this questionnaire were confirmed by Rajabi-Mashhadi et al. (2015), who conducted a study on the wives of veterans with chronic spinal cord injuries. The internal consistency of the questionnaire was strong (Cronbach’s alpha of 0.77). The correlation matrix between different domains of the questionnaire in the re-intervention was 0.78. The results of this study showed that the Persian version of the Zarit burden interview was valid and reliable for measuring the caregiver burden of people with chronic spinal cord injury [
20].
Data analysis
SPSS15 was used to analyze the data. Median (interquartile range), standard deviation ± mean, frequency and percentage were used to describe the results. Kolmogorov-Smirnov test was used to measure the normality of data distribution. The data did not follow a normal distribution. Chi-square, Fisher’s exact, Mann-Whitney U, and Wilcoxon tests were used to analyze the data. The significance level was considered p < 0.05.