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The purpose of this study is to determine whether a skin cancer prevention website is effective at reduce female teenagers' desire to use indoor tanning and ultimately their use of indoor tanning over an 18 month period.
The project is designed to improve the understanding of, and ability to affect UV risk behavior in teenage populations. The International Agency for Research in Cancer classifies indoor tanning as "carcinogenic to humans." There is evidence that female indoor tanning use increases dramatically from freshman to senior years of high school (e.g., 25-40% of older high school girls) making high school a critical time period for anti-tanning interventions to be carried out. This proposal assesses the effectiveness of a skin cancer prevention website for a nationally representative sample of high school teens in a randomized controlled trial. Teens exposed to the website will report reduced indoor tanning intentions, frequency and overall percentage of users while increasing sun protective behaviors at long-term (i.e 18 month) follow-up.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Appearance-Focused Website Intervention | Experimental | This is a Internet-based appearance-focused prevention intervention based on the Behavioral Alternatives Model. |
|
| Control Website | Active Comparator | Control participants viewed an Internet site designed to provide drug and alcohol education for teens. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Appearance-Focused Website Intervention | Behavioral | The intervention is a teen-friendly website with information concerning the health and appearance effects of indoor tanning. |
| Measure | Description | Time Frame |
|---|---|---|
| Indoor Tanning Behavior | Self-report measure of the number of times the teenager has indoor tanned over 12 month time period. The self-report measure has been validated in previous studies. | 12 months |
| Indoor Tanning Intentions | A validated measure of the teenagers intentions to use indoor tanning in the next 12 months. Indoor tanning intentions are measured on a scale that ranges from 1 (definitely do not intend to indoor tan; better) to 7 (definitely do intend to indoor tan; worse). | 12 months |
| Indoor Tanning Willingness | Scale that measures adolescents willingness to indoor tan in the future. Indoor tanning willingness is measured on a scale that ranges from 1 (definitely not willing; better) to 7 (definitely willing; worse). | 12 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Joel J Hillhouse, Ph.D. | East Tennessee State University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| East Tennessee State University | Johnson City | Tennessee | 37614 | United States |
The proposed research will include data from high school teenage women who indoor tan. The final dataset will include self-reported demographic, attitudinal, cognitive and behavioral data from surveys about private personal behaviors. The final dataset will be stripped of identifiers prior to release for sharing. We will make the data and associated documentation available to users only under a data-sharing agreement that provides for: (1) a commitment to using the data only for research purposes and to not attempting to identify any individual participant; (2) a commitment to securing the data using appropriate computer technology; and (3) a commitment to destroying or returning the data after analyses are completed.
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| ID | Title | Description |
|---|---|---|
| FG000 | Appearance-Focused Website Intervention | This is a Internet-based appearance-focused prevention intervention based on the Behavioral Alternatives Model. Appearance-Focused Website Intervention: The intervention is a teen-friendly website with information concerning the health and appearance effects of indoor tanning. |
| FG001 | Control Website | Control participants viewed an Internet site designed to provide drug and alcohol education for teens. Control Website: The control website contains information about alcohol and drug abuse which is oriented for a teen audience. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
Adolescent females aged 12-18 years old who expressed interest in future indoor tanning.
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| ID | Title | Description |
|---|---|---|
| BG000 | Appearance-Focused Website Intervention | This is a Internet-based appearance-focused prevention intervention based on the Behavioral Alternatives Model. Appearance-Focused Website Intervention: The intervention is a teen-friendly website with information concerning the health and appearance effects of indoor tanning. |
| 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 | Indoor Tanning Behavior | Self-report measure of the number of times the teenager has indoor tanned over 12 month time period. The self-report measure has been validated in previous studies. | Adolescent females aged 12-18 years old who expressed interest in indoor tanning in the future. | Posted | Mean | Standard Deviation | Indoor tanning sessions over past year | 12 months |
|
18 months
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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 | Appearance-Focused Website Intervention | This is a Internet-based appearance-focused prevention intervention based on the Behavioral Alternatives Model. Appearance-Focused Website Intervention: The intervention is a teen-friendly website with information concerning the health and appearance effects of indoor tanning. |
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None noted
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Joel Hillhouse | East Tennessee State University | 423-439-4332 | hillhous@etsu.edu |
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| ID | Term |
|---|---|
| D012878 | Skin Neoplasms |
| D008545 | Melanoma |
| D002280 | Carcinoma, Basal Cell |
| D002294 | Carcinoma, Squamous Cell |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
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| Control Website | Behavioral | The control website contains information about alcohol and drug abuse which is oriented for a teen audience. |
|
| Control Website |
Control participants viewed an Internet site designed to provide drug and alcohol education for teens. Control Website: The control website contains information about alcohol and drug abuse which is oriented for a teen audience. |
| BG002 | Total | Total of all reporting groups |
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Ethnicity (NIH/OMB) | Count of Participants | Participants |
|
| Region of Enrollment | Number | participants |
|
| Indoor Tanning Frequency | Mean | Standard Deviation | Indoor tanning sessions |
|
| Indoor Tanning Intentions Scale | The Indoor Tanning Intentions Scale can range from 1 (definitely do not intend; better) to 7 (definitely do intend; worse). | Mean | Standard Deviation | units on a scale |
|
| Indoor Tanning Willingness Scale | The Indoor Tanning Willingness scale ranges from 1 (definitely not willing; better ) to 7 (definitely willing; worse). | Mean | Standard Deviation | units on a scale |
|
| Indoor Tanning Attitudes Scale | The Indoor Tanning Attitudes Scale can range from 3 (strongly negative attitudes toward indoor tanning; better) to 15 (strongly positive attitudes toward indoor tanning; worse) | Mean | Standard Deviation | units on a scale |
|
| Indoor Tanning Social Approval Scale | The Indoor Tanning Social Approval Scale can range from 3 (strong beliefs peers do not approve indoor tanning; better) to 15 (strong beliefs peers do approve indoor tanning; worse) | Mean | Standard Deviation | units on a scale |
|
| Indoor Tanning Skin Damage Susceptibility Scale | The Indoor Tanning Skin Damage Susceptibility scale can range from 5 (low perceived susceptibility to skin damage from indoor tanning; worse) to 25 (high perceived susceptibility to skin damage from indoor tanning; better). | Mean | Standard Deviation | units on a scale |
|
Control participants viewed an Internet site designed to provide drug and alcohol education for teens. Control Website: The control website contains information about alcohol and drug abuse which is oriented for a teen audience. |
|
|
|
| Primary | Indoor Tanning Intentions | A validated measure of the teenagers intentions to use indoor tanning in the next 12 months. Indoor tanning intentions are measured on a scale that ranges from 1 (definitely do not intend to indoor tan; better) to 7 (definitely do intend to indoor tan; worse). | Adolescent females aged 12-18 years old who expressed interest in indoor tanning in the next year. | Posted | Mean | Standard Deviation | units on a scale | 12 months |
|
|
|
|
| Primary | Indoor Tanning Willingness | Scale that measures adolescents willingness to indoor tan in the future. Indoor tanning willingness is measured on a scale that ranges from 1 (definitely not willing; better) to 7 (definitely willing; worse). | Adolescent females aged 12-18 years old that expressed interest in indoor tanning in the future. | Posted | Mean | Standard Deviation | units on a scale | 12 months |
|
|
|
|
| 0 |
| 182 |
| 0 |
| 182 |
| EG001 | Control Website | Control participants viewed an Internet site designed to provide drug and alcohol education for teens. Control Website: The control website contains information about alcohol and drug abuse which is oriented for a teen audience. | 0 | 206 | 0 | 206 |
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| D018358 |
| Neuroendocrine Tumors |
| D017599 | Neuroectodermal Tumors |
| D009373 | Neoplasms, Germ Cell and Embryonal |
| D009370 | Neoplasms by Histologic Type |
| D009380 | Neoplasms, Nerve Tissue |
| D018326 | Nevi and Melanomas |
| D002277 | Carcinoma |
| D009375 | Neoplasms, Glandular and Epithelial |
| D018295 | Neoplasms, Basal Cell |
| D018307 | Neoplasms, Squamous Cell |