Sommerungdomsbeskæftigelsesprogrammer for sundhedsfremme
Udvinding af potentielet i sommerferiebeskæftigelse til forebyggelse af overvægt hos teenagere
Formålet med dette proof-of-concept studie er at vurdere det indledende effektivitetssignal for sommerungdomsbeskæftigelseprogrammer (SYEP) på underundersøgte fedme-relaterede resultater hos unge. Dette lille studie er essentielt for at identificere tidlig succes og forfine interventionen før opskalering til et større, mere ressourcekrævende randomiseret forsøg. Specifikt vil denne enkeltgruppepræ-posttestundersøgelse:
Formål 1 (Primær): Evaluere om et 6-ugers SYEP giver et indledende signal for effektivitet (vedligeholdelse eller reduktion i zBMI) over sommeren.
Hypotese 1: Unge som deltog i et SYEP vil vedligeholde eller reducere deres BMI over sommeren.
Formål 2 (Sekundær): Evaluere ændringer i fedmefremmende adfærd (fysisk aktivitet, søvn, stillesiddende og kost) over sommeren.
Hypotese 2: Unge som deltog i et SYEP vil øge fysisk aktivitet, reducere stillesiddende adfærd og forbedre søvn- og kostkvalitet over sommeren.
Formål 3 (Sekundær): Evaluere gennemførligheden af SYEP til fedmeforebyggelsesintervention for at informere om interventionens skalerbarhed.
Hypotese 3: SYEP-programmet vil være en gennemførlig og acceptabel interventionsstrategi til forebyggelse af fedme hos unge over sommeren.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Foreløbige beviser tyder på, at sommerbeskæftigelse kan være en alderssvarende, struktureret intervention for at forebygge usunde ændringer i obesogene adfærdsmønstre blandt unge. Mens disse resultater er lovende, har ingen af de eksisterende undersøgelser målt ændringer i BMI over sommeren eller gennemført omfattende vurderinger af obesogen adfærd, herunder kost, stillesiddende adfærd, søvn og fysisk aktivitet. For at imødegå disse huller foreslår denne undersøgelse en lille proof-of-concept undersøgelse for at vurdere det indledende effektivitetssignal på underundersøgte fedme-relaterede resultater hos unge.
SYEP'er er veletablerede, kontinuerligt fungerende initiativer i over 60 år med dokumenterede fordele inden for uddannelse, arbejdsstyrkeudvikling og kriminalitetsforebyggelse, og kan også fungere som fedme-forebyggelsesstrategier. I stedet for at skabe nye interventioner kan investering i og udvidelse af adgangen til SYEP-programmer med høj efterspørgsel, men begrænset kapacitet (hvor kun ~28 % af ansøgerne får et job hver sommer, hvilket efterlader størstedelen på ventelister) tilbyde en praktisk løsning til forebyggelse af ungdomsfedme.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Tidlig fase 1
Kontakter og lokationer
Studiesteder
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Texas
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Houston, Texas, Forenede Stater, 77204
- University of Houston
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Barn
Tager imod sunde frivillige
Beskrivelse
Inklusionskriterier:
- Alder 14-17 år på tilmeldningstidspunktet, i overensstemmelse med Texas' lovgivning om børnearbejde
- Villig til at arbejde på sommerlejren i seks på hinanden følgende uger
- I stand til at bestå ansættelsesoptagelsesproceduren (jobsamtale)
- I stand til at indhente forældresamtykke og give samtykke til studiedeltagelse
Eksklusionskriterier:
- I øjeblikket gravid eller planlægger at blive gravid, på grund af fysiske aktivitetsbegrænsninger og potentielle vægtændringer, der kunne forvirre studieresultaterne
- Diagnose med en intellektuel og/eller fysisk handicap, der kræver specialiserede ansættelsesregler eller interventionsstrategier
- Deltagelse i en sundhedsfremmende indsats inden for de seneste seks måneder
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
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Eksperimentel: Sommerungdomsbeskæftigelsesprogram
Deltagerne vil arbejde som junior sommerlejrvejledere på en University of Houston-lejr, op til 24 timer/ugen, mandag-torsdag, kl. 8.30-15.30 (med en frokostpause kl. 12-13), i seks uger fra midten af juni til slutningen af juli.
Deltagerne vil assistere erfarne vejledere med indendørs/udendørs aktiviteter såsom spil, berigelse og akademiske fag.
På fredage fra kl. 10 til 12 vil deltagerne deltage i professionelle udviklingsworkshops om emner som kommunikation, teamwork, cv-opbygning og jobsøgning.
Fra kl. 12-14.30 vil bachelorstuderende personale lede sociale aktiviteter og mentoring.
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Interventionen har til formål at ansætte unge i lønnet stilling i seks uger om sommeren, hvilket giver dem en struktureret, rutinebaseret og voksenovervåget miljø svarende til det i skoleåret.
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Change in Age- and Sex-Specific Body Mass Index (BMI)-For-Age Z-Score (zBMI) From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Height and weight will be directly measured by trained staff.
Each measurement will be taken twice, and the average will be used for analysis.
Body mass index (BMI) will be calculated and expressed as Centers for Disease Control and Prevention (CDC) age- and sex-specific BMI-for-age z-scores (zBMI).
The outcome will represent the change in zBMI from baseline to Week 6.
A positive change score will indicate an increase (gain) in zBMI from baseline to Week 6, which will be considered a less favorable outcome.
A negative change score will indicate a decrease in zBMI, which will be considered a favorable outcome.
A change score of 0 will indicate no change in zBMI (maintenance), which will also be considered a favorable outcome for this intervention because preventing excess BMI gain during summer is a primary goal.
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Baseline and Week 6 (post)
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Change in Sedentary Behavior From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Sedentary behavior will be measured in minutes per day using a wrist-worn ActiGraph GT3X accelerometer on the non-dominant wrist over 8 consecutive days, including at least 2 valid weekdays and 1 valid weekend day.
Activity intensities will be classified using cut points published by Hildebrand et al.
The reported outcome will be the change in average daily sedentary behavior (minutes/day) from baseline to Week 6.
A positive change score will indicate an increase in sedentary behavior, which will be considered an unfavorable outcome.
A negative change score will indicate a decrease in sedentary behavior, which will be considered a favorable outcome.
A change score of 0 will indicate no change in sedentary behavior (maintenance).
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Baseline and Week 6 (post)
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Change in Moderate-to-Vigorous Physical Activity (MVPA) From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Moderate-to-vigorous physical activity (MVPA) will be measured in minutes per day using a wrist-worn ActiGraph GT3X accelerometer on the non-dominant wrist over 8 consecutive days, including at least 2 valid weekdays and 1 valid weekend day.
Activity intensities will be classified using cut points published by Hildebrand et al.
The reported outcome will be the change in average daily MVPA (minutes/day) from baseline to Week 6.
A positive change score will indicate an increase in MVPA, which will be considered a favorable outcome.
A negative change score will indicate a decrease in MVPA, which will be considered an unfavorable outcome.
A change score of 0 will indicate no change in MVPA (maintenance), which will also be considered a favorable outcome.
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Baseline and Week 6 (post)
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Change in Sleep Duration From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Sleep duration will be measured in minutes per day using a wrist-worn ActiGraph GT3X accelerometer on the non-dominant wrist over 8 consecutive days, including at least 2 valid weekdays and 1 valid weekend day.
Sleep duration will be estimated using the heuristic algorithm looking at the distribution of change in Z-Angle (HDCZA).
The reported outcome will be the change in average daily sleep duration (minutes/day) from baseline to Week 6.
A positive change score will indicate an increase in sleep duration, which will be considered a favorable outcome.
A negative change score will indicate a decrease in sleep duration, which will be considered an unfavorable outcome.
A change score of 0 will indicate no change in sleep duration (maintenance), which will also be considered a favorable outcome.
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Baseline and Week 6 (post)
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Change in Screen Time From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Screen time in hours and minutes (e.g., television, computer, video games, smart phones, tablets) will assessed via self-report during each 8-day behavioral assessment period.
Screen time will be calculated as the average daily duration (minutes/day) by summing total reported screen time across completed daily logbooks and dividing by the number of valid diary days within each assessment period.
The reported outcome will be the change in average daily screen time (minutes/day) from baseline to Week 6.
A positive change score will indicate an increase in screen time, which will be considered an unfavorable outcome.
A negative change score will indicate a decrease in screen time, which will be considered a favorable outcome.
A change score of 0 will indicate no change in screen time (maintenance), which will also be considered a favorable outcome.
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Baseline and Week 6 (post)
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Change in Unhealthy Food Intake From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Dietary intake will be assessed using the NHANES 23-item Dietary Screener Questionnaire.
Adolescents will self-report consumption of food and beverage items over the past day.
For this outcome, unhealthy food items will include desserts, sugar-sweetened beverages, salty snacks, and fast food items.
Responses will be used to estimate daily intake frequency (times/day) of unhealthy food consumption.
The reported outcome will be the change in average daily frequency of unhealthy food intake (times/day) from baseline to Week 6.
A positive change score will indicate an increase in unhealthy food intake, which will be considered an unfavorable outcome.
A negative change score will indicate a decrease in unhealthy food intake, which will be considered a favorable outcome.
A change score of 0 will indicate no change in unhealthy food intake (maintenance), which will also be considered a favorable outcome.
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Baseline and Week 6 (post)
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Recruitment Capacity (Percentage Meeting Recruitment Goal)
Tidsramme: Baseline
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Recruitment capacity is the percentage meeting the recruitment goal.
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Baseline
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Retention
Tidsramme: Baseline and Week 6 (post)
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Retention will be calculated as the percentage of enrolled participants who complete both baseline and post-intervention assessments for the primary outcome measures.
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Baseline and Week 6 (post)
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Fidelity
Tidsramme: Weekly during intervention (Weeks 1-6)
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Fidelity will be assessed through weekly unannounced direct observations using a structured checklist developed by the research team specifically for the intervention.
The checklist will assess key components of intervention implementation, including adherence, dose delivered, quality of delivery, and participant engagement.
Each item will be rated using either binary scoring (0 = not implemented, 1 = implemented) or a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree), depending on the construct.
All domain scores will be standardized and converted to a percentage scale.
Each intervention session will be independently rated by two trained researcher, and ratings will be averaged.
Session-level fidelity scores will then be averaged across all observation weeks to produce a single fidelity score.
The fidelity score will be expressed as a percentage, with higher scores indicating greater fidelity to the intervention protocol and lower scores indicating reduced fidelity.
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Weekly during intervention (Weeks 1-6)
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Attendance
Tidsramme: Weekly during intervention (Weeks 1-6)
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Attendance will be calculated as the average number of days attended across total offered workdays, using employer time sheets.
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Weekly during intervention (Weeks 1-6)
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Acceptability
Tidsramme: Week 7 (Follow-up)
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Acceptability will be assessed using a quantitative satisfaction measure administered to adolescents following intervention participation.
Participants will be asked to rate their likelihood of returning as a paid counselor the following summer on a scale ranging from 1 (not at all likely) to 10 (extremely likely).
Individual responses will be averaged to generate a single acceptability score.
The total score will range from 1 to 10, with higher scores indicating greater acceptability and willingness to participate again, and lower scores indicating lower acceptability.
Scores closer to 10 will represent high acceptability, while scores closer to 1 will represent low acceptability of the intervention experience.
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Week 7 (Follow-up)
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Change in Healthy Food Intake From Baseline to Week 6
Tidsramme: Baseline and Week 6 (post)
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Dietary intake will be assessed using the NHANES 23-item Dietary Screener Questionnaire.
Adolescents will self-report consumption of food and beverage items over the past day.
For this outcome, healthy food items will include fruits, vegetables, 100% fruit juice, and milk items.
Responses will be used to estimate daily intake frequency (times/day) of healthy food consumption.
The reported outcome will be the change in average daily frequency of healthy food intake (times/day) from baseline to Week 6.
A positive change score will indicate an increase in healthy food intake, which will be considered a favorable outcome.
A negative change score will indicate a decrease in healthy food intake, which will be considered an unfavorable outcome.
A change score of 0 will indicate no change in healthy food intake (maintenance), which will also be considered a favorable outcome.
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Baseline and Week 6 (post)
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Publikationer og nyttige links
Generelle publikationer
- Czajkowski SM, Powell LH, Adler N, Naar-King S, Reynolds KD, Hunter CM, Laraia B, Olster DH, Perna FM, Peterson JC, Epel E, Boyington JE, Charlson ME. From ideas to efficacy: The ORBIT model for developing behavioral treatments for chronic diseases. Health Psychol. 2015 Oct;34(10):971-82. doi: 10.1037/hea0000161. Epub 2015 Feb 2.
- Pierce B, Bowden B, McCullagh M, Diehl A, Chissell Z, Rodriguez R, Berman BM, D Adamo CR. A Summer Health Program for African-American High School Students in Baltimore, Maryland: Community Partnership for Integrative Health. Explore (NY). 2017 May-Jun;13(3):186-197. doi: 10.1016/j.explore.2017.02.002. Epub 2017 Feb 24.
- Yazel-Smith L, El-Mikati HK, Adjei M, Haberlin-Pittz KM, Agnew M, Hannon TS. Integrating Diabetes Prevention Education Among Teenagers Involved in Summer Employment: Encouraging Environments for Health in Adolescence (ENHANCE). J Community Health. 2020 Aug;45(4):856-861. doi: 10.1007/s10900-020-00802-2.
- Modestino AS, Paulsen RJ. Reducing inequality summer by summer: Lessons from an evaluation of the Boston Summer Youth Employment Program. Eval Program Plann. 2019 Feb;72:40-53. doi: 10.1016/j.evalprogplan.2018.09.006. Epub 2018 Sep 24.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- STUDY00005180
- U54MD015946 (U.S. NIH-bevilling/kontrakt)
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .