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| Name | Class |
|---|---|
| Sabanci University | OTHER |
| Maras Necip Fazil City Hospital | UNKNOWN |
| Kocaeli University | OTHER |
| Van Training and Research Hospital |
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The goal of this clinical trial is to analyze implications of two alternative nudge-interventions to increase adherence to palivizumab prophylaxis in children with congenital heart disease. The main questions investigators aim to answer are:
To study these questions investigators planned to utilize four well-established cognitive biases in designing two alternative nudge-interventions and investigators measured the effectiveness of each nudge-intervention against a control group.
Patients were randomly allocated to one control and two treatment groups. In the control group, investigators informed participants about the prophylaxis program and provided a schedule. Patients in the first treatment group were additionally called two days before appointments (status quo bias), and were asked to plan the appointment day (implementation intention). Patients in the second treatment group received biweekly messages informing them about the benefits of the program as well as the current adherence rate (availability bias and social norm).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Status quo bias and implementation intention bias | Experimental | Participants' families in this arm were informed about prophylaxis program and provided a schedule additionally called two days before appointments (status quo bias) and were asked to plan the appointment day (implementation intention). |
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| Availability bias and social norm | Experimental | Participants' families in this arm were informed about prophylaxis program and provided a schedule and were received messages biweekly informing about benefits of program and adherence rate (availability bias and social norm). |
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| Control | Experimental | Participants' families in this arm were informed about prophylaxis program and provided a schedule |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Phone call | Behavioral | Participants were given the vaccination appointment card and participants received a telephone call every month two days before their appointment. Participants were reminded that they have a set appointment and were asked to plan the day of their appointment as detailed below. The standard script used in the telephone call in every hospital was as follows:Hello, we are calling you because you are enrolled in the palivizumab prophylaxis research program. As you know, you have a vaccination appointment on [enter date] at [enter time]. To help you plan your day of appointment, we have a few short questions.
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| Measure | Description | Time Frame |
|---|---|---|
| Effectiveness of cognitive biases in increasing adherence to prophylaxis programme | The average adherence rates in the control and treatment groups | 4 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| The effect of father employment status (full-time, part-time, no) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of number of children in the family on the participants' adherence to the prophylaxis program |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Elif Erolu, M.D.Ph.D. | Kosuyolu Heart Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kosuyolu Heart Hospital | Istanbul | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38664919 | Derived | Erolu E, Kibris O, Tosun Y, Yildirim A, Pamukcu O, Basar EZ, Babaoglu K, Epcacan S, Donmez Y, Giray D, Dervisoglu P, Tasci O. Behavioural interventions to increase adherence to palivizumab prophylaxis in children with CHD. Cardiol Young. 2024 Apr 26:1-8. doi: 10.1017/S1047951124024946. Online ahead of print. |
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| OTHER_GOV |
| Sakarya University | OTHER |
| Sivas Numune Hospital | OTHER_GOV |
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| Text message | Behavioral | Participants were given the vaccination appointment card and participants were included in a messaging group (on Whatsapp or SMS, depending on the participant's preference) where, twice a month they received a message informing them on RSV, on the additional risks caused by RSV infection in children with congenital heart diseases and on the benefits of adherence to the prophylaxis program. These messages also involved statements about the high number of patient families that kept their appointments in the previous month. |
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| Control | Behavioral | Participants were given the vaccination appointment card. |
|
Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. |
| 8 weeks |
| The effect of birth weight (weight in grams) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of number of intensive care unit admissions on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of knowledge about respiratory syncytial virus previously (yes/no) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of finding prophylaxis program important or not (yes/no) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of the distance between home and hospital (km) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of number of difficulties about accessing to prophylaxis program on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of family size (number of people living in the same house) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of the number of children in the school age on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of family income (<1000 TL, 1000-2999 TL, 3000-4999 TL, 5000-6999 TL, 7000-8999 TL, >9000 TL ) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of smoking (yes/no) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of father and mother's age (years) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of father and mother education level (no education, primary school, high school, university) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of employment status of mother on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of marital status (married, married- separated, divorced, widowed) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |
| The effect of health status of father and mother (in good health, in moderate health, in bad health) on the participants' adherence to the prophylaxis program | Factor that affects participants' adherence to the prophylaxis program. The interaction of each factor on the treatment effect. | 8 weeks |