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| Name | Class |
|---|---|
| Discovery Health | INDUSTRY |
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The Vitality HealthyFood benefit is a three-tiered incentive program designed to encourage healthier food choices amongst members of Discovery Health's Vitality program. Once enrolled in the benefit, participating members can receive 10%, 15%, or 25% cash-back on the healthy foods they purchase at selected grocers. And, while overall enrollment in the program is high, there is particular interest in increasing enrollment in the benefit amongst Vitality members with diabetes. One presumed barrier to enrollment in the benefit amongst members with diabetes is a misperception of the particular relevance of the benefit and healthier food choices for their personal health. Improved messaging regarding the HealthyFood benefit and its particular salience for individuals with diabetes may be an effective means of increasing activation of the benefit in this population. The proposed study will be a collaboration between Discovery Health/Vitality and researchers at the Perelman School of Medicine at the University of Pennsylvania. In the proposed RCT, Vitality members with diabetes will be randomised to different types of messages regarding the HealthyFood benefit. The investigators will then compare the effectiveness of these different messaging strategies at increasing activation of the HealthyFood benefit amongst Vitality members with diabetes.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control Arm | No Intervention | This arm will represent current practice. This group will receive no contact from the research team. They may receive information regarding the benefit from the Vitality marketing team during the intervention period and can enroll in the benefit at any time during the study period. | |
| Diabetes-specific | Active Comparator | This group will receive a message which simply cites the two specific benefits of the eating more healthy foods for individuals with diabetes. This message contains a link to start the enrolment process. |
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| Experience of another member | Active Comparator | This group will receive a message that includes a quote from the perspective of a Vitality member with diabetes who uses the HealthyFood benefit. Given the need to standardise message content across study arms, the quote was written by the study team and not an actual member. The quote emphasizes the positive impact the benefit has had for the member-both the financial benefit, as well as the two specific diabetes health benefits. |
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| Input from a diabetes expert | Active Comparator | This group will receive a message that includes a quote from a South African physician who specializes in diabetes. The quote emphasises the financial benefit and the two specific diabetes health benefits of the HealthyFood program included in the other messages. It concludes with the doctor's recommendation of the benefit for all individuals with diabetes. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Email message regarding the HealthyFood benefit | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| Enrollment in 10% Level of Benefit | Rates of enrolment in 10% cash-back level (the most basic level, requires online activation only) of the HealthyFood Benefit amongst members with diabetes | One month from initial emailed messages |
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Inclusion Criteria:
Exclusion Criteria:
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 27903559 | Derived | Gopalan A, Paramanund J, Shaw PA, Patel D, Friedman J, Brophy C, Buttenheim AM, Troxel AB, Asch DA, Volpp KG. Randomised controlled trial of alternative messages to increase enrolment in a healthy food programme among individuals with diabetes. BMJ Open. 2016 Nov 30;6(11):e012009. doi: 10.1136/bmjopen-2016-012009. |
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5467 individuals were eligible in 1/2015. This sample was identified months before randomization to allow individuals time to learn about HF from other sources and enrol if interested. Prior to randomization, we excluded participants who joined HF of left Vitality since identification. This is why the initial and randomized samples are unequal.
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| ID | Title | Description |
|---|---|---|
| FG000 | Control Arm | This arm will represent current practice. This group will receive no contact from the research team. They may receive information regarding the benefit from the Vitality marketing team during the intervention period and can enroll in the benefit at any time during the study period. |
| FG001 | Diabetes-specific | This group will receive a message which simply cites the two specific benefits of the eating more healthy foods for individuals with diabetes. This message contains a link to start the enrolment process. Email message regarding the HealthyFood benefit |
| FG002 | Experience of Another Member | This group will receive a message that includes a quote from the perspective of a Vitality member with diabetes who uses the HealthyFood benefit. Given the need to standardise message content across study arms, the quote was written by the study team and not an actual member. The quote emphasizes the positive impact the benefit has had for the member-both the financial benefit, as well as the two specific diabetes health benefits. Email message regarding the HealthyFood benefit |
| FG003 | Input From a Diabetes Expert | This group will receive a message that includes a quote from a South African physician who specializes in diabetes. The quote emphasises the financial benefit and the two specific diabetes health benefits of the HealthyFood program included in the other messages. It concludes with the doctor's recommendation of the benefit for all individuals with diabetes. Email message regarding the HealthyFood benefit |
| FG004 | Enhanced Active Choice | This group will receive a message whose first portion is identical to those in the diabetes-specific message group. The second portion of the message differs in that instead of just asking recipients to click on the provided link if interested, the message asks people to choose and click on one of following possible responses:
Email message regarding the HealthyFood benefit |
| Title | Milestones | Reasons Not Completed | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | Control Arm | This arm will represent current practice. This group will receive no contact from the research team. They may receive information regarding the benefit from the Vitality marketing team during the intervention period and can enroll in the benefit at any time during the study period. |
| BG001 |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Enrollment in 10% Level of Benefit | Rates of enrolment in 10% cash-back level (the most basic level, requires online activation only) of the HealthyFood Benefit amongst members with diabetes | Posted | Count of Participants | Participants | One month from initial emailed messages |
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Control Arm | This arm will represent current practice. This group will receive no contact from the research team. They may receive information regarding the benefit from the Vitality marketing team during the intervention period and can enroll in the benefit at any time during the study period. |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Anjali Gopalan | Kaiser Permanente Northern California Division of Research | 510-891-3458 | Anjali.Gopalan@kp.org |
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| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| ID | Term |
|---|---|
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
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| Enhanced active choice | Active Comparator | This group will receive a message whose first portion is identical to those in the diabetes-specific message group. The second portion of the message differs in that instead of just asking recipients to click on the provided link if interested, the message asks people to choose and click on one of following possible responses:
|
|
| Joined HealthyFood Before Intervention |
|
| Diabetes-specific |
This group will receive a message which simply cites the two specific benefits of the eating more healthy foods for individuals with diabetes. This message contains a link to start the enrolment process. Email message regarding the HealthyFood benefit |
| BG002 | Experience of Another Member | This group will receive a message that includes a quote from the perspective of a Vitality member with diabetes who uses the HealthyFood benefit. Given the need to standardise message content across study arms, the quote was written by the study team and not an actual member. The quote emphasizes the positive impact the benefit has had for the member-both the financial benefit, as well as the two specific diabetes health benefits. Email message regarding the HealthyFood benefit |
| BG003 | Input From a Diabetes Expert | This group will receive a message that includes a quote from a South African physician who specializes in diabetes. The quote emphasises the financial benefit and the two specific diabetes health benefits of the HealthyFood program included in the other messages. It concludes with the doctor's recommendation of the benefit for all individuals with diabetes. Email message regarding the HealthyFood benefit |
| BG004 | Enhanced Active Choice | This group will receive a message whose first portion is identical to those in the diabetes-specific message group. The second portion of the message differs in that instead of just asking recipients to click on the provided link if interested, the message asks people to choose and click on one of following possible responses:
Email message regarding the HealthyFood benefit |
| BG005 | Total | Total of all reporting groups |
| years |
|
| Sex/Gender, Customized | Count of Participants | Participants |
|
| OG002 | Experience of Another Member | This group will receive a message that includes a quote from the perspective of a Vitality member with diabetes who uses the HealthyFood benefit. Given the need to standardise message content across study arms, the quote was written by the study team and not an actual member. The quote emphasizes the positive impact the benefit has had for the member-both the financial benefit, as well as the two specific diabetes health benefits. Email message regarding the HealthyFood benefit |
| OG003 | Input From a Diabetes Expert | This group will receive a message that includes a quote from a South African physician who specializes in diabetes. The quote emphasises the financial benefit and the two specific diabetes health benefits of the HealthyFood program included in the other messages. It concludes with the doctor's recommendation of the benefit for all individuals with diabetes. Email message regarding the HealthyFood benefit |
| OG004 | Enhanced Active Choice | This group will receive a message whose first portion is identical to those in the diabetes-specific message group. The second portion of the message differs in that instead of just asking recipients to click on the provided link if interested, the message asks people to choose and click on one of following possible responses:
Email message regarding the HealthyFood benefit |
|
|
|
| 0 |
| 737 |
| 0 |
| 737 |
| EG001 | Diabetes-specific | This group will receive a message which simply cites the two specific benefits of the eating more healthy foods for individuals with diabetes. This message contains a link to start the enrolment process. Email message regarding the HealthyFood benefit | 0 | 753 | 0 | 753 |
| EG002 | Experience of Another Member | This group will receive a message that includes a quote from the perspective of a Vitality member with diabetes who uses the HealthyFood benefit. Given the need to standardise message content across study arms, the quote was written by the study team and not an actual member. The quote emphasizes the positive impact the benefit has had for the member-both the financial benefit, as well as the two specific diabetes health benefits. Email message regarding the HealthyFood benefit | 0 | 766 | 0 | 766 |
| EG003 | Input From a Diabetes Expert | This group will receive a message that includes a quote from a South African physician who specializes in diabetes. The quote emphasises the financial benefit and the two specific diabetes health benefits of the HealthyFood program included in the other messages. It concludes with the doctor's recommendation of the benefit for all individuals with diabetes. Email message regarding the HealthyFood benefit | 0 | 701 | 0 | 701 |
| EG004 | Enhanced Active Choice | This group will receive a message whose first portion is identical to those in the diabetes-specific message group. The second portion of the message differs in that instead of just asking recipients to click on the provided link if interested, the message asks people to choose and click on one of following possible responses:
Email message regarding the HealthyFood benefit | 0 | 708 | 0 | 708 |
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