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Vahvat teini-ikäiset terveisiin kouluihin Change Club: kansalaistoimintaa edistävä lähestymistapa liikunnan ja terveellisten ruokailuympäristöjen parantamiseen

tiistai 29. syyskuuta 2026 päivittänyt: Texas A&M University

Strong Teens for Healthy Schools (STHS) is a school-based, civic engagement program that empowers middle school students to improve their physical activity and healthy eating behaviors, improve their cardiovascular disease outcomes, and create positive change in their school health environments.

Tutkimuksen yleiskatsaus

Tila

Rekrytointi

Ehdot

Interventio / Hoito

Yksityiskohtainen kuvaus

The investigators will conduct a cluster-randomized controlled trial to evaluate the impact of the Strong Teens for Healthy Schools (STHS) program on cardiovascular disease-related outcomes. STHS is a multi-level, theory-based civic engagement program to catalyze positive food and physical activity environmental change and improve cardiovascular disease-related health (CVD) outcomes among 6th and 7th-grade students.

Title 1 middle schools in Texas (n=20) with > 40% Hispanic and Black students will be randomized at baseline to the intervention condition (STHS program) or control condition (will continue with usual care, as they will not be asked to add or remove any of their current, physical activity, healthy eating, or positive youth development programming) (n=20-25 students per school).

The investigators hypothesize that students who participate in STHS will have reduced MetS risk, improved positive youth developmental outcomes, and improved social and environmental outcomes immediately post-intervention and one year after study completion compared to students in a control condition.

Opintotyyppi

Interventio

Ilmoittautuminen (Arvioitu)

500

Vaihe

  • Ei sovellettavissa

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskeluyhteys

Tutki yhteystietojen varmuuskopiointi

Opiskelupaikat

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

8 vuotta ja vanhemmat (Lapsi, Aikuinen, Vanhempi Aikuinen)

Hyväksyy terveitä vapaaehtoisia

Joo

Sukupuolet, jotka voivat opiskella

Kaikki

Kuvaus

School Inclusion Criteria:

  • > 50 6th and 7th grade students
  • > 40% economically disadvantaged students
  • > 40% Black and Hispanic students

School Exclusion Criteria:

Student Inclusion Criteria:

  • 6th or 7th grade student
  • Attend a Title 1 middle school that is participating in the STHS intervention
  • Read and understand English

Student Exclusion Criteria:

  • Participation in a weight loss program in the past 3 months
  • Presence of a condition that prevents participation in physical activity

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Ennaltaehkäisy
  • Jako: Satunnaistettu
  • Inventiomalli: Rinnakkaistehtävä
  • Naamiointi: Ei mitään (avoin tarra)

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Kokeellinen: STHS Intervention

Participants in this group (10 schools) will participate in the STHS program.
Käyttäytyminen: STHS Intervention

STHS program

The intervention group (10 schools) will participate in the STHS program. During the fall semester (September to December), the intervention group will receive 24 thirty-minute modules (or twelve 1-hour modules) that provide education on civic engagement, healthy eating, and physical activity. During the spring semester (February to May), the intervention group will receive 24 thirty-minute modules (or twelve 1-hour modules) that focus on implementing the school health environmental change project and receive support for maintaining individual-level healthy eating and physical activity behaviors.
Muut: Usual Care

Participants in this group (10 schools) will continue with usual care, as they will not be asked to add or remove any of their current, physical activity, healthy eating, or positive youth development programming.
Käyttäytyminen: Usual Care

No STHS program

The usual care group will be offered the same activities as the intervention group after the conclusion of the research study.

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Presence or absence of metabolic syndrome (MetS)
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

MetS is present after identifying abdominal obesity plus at least two of the four other MetS Risk factors: high blood pressure, high blood sugar, low HDL cholesterol, and high triglyceride levels.

MetS = (abdominal obesity) + (2 of 4 other MetS Risk factors)

Measures to determine MetS risk factors:

  1. Abdominal obesity: waist circumference >90th percentile for child's sex and age
  2. High blood pressure: systolic blood pressure ≥130 mm Hg or diastolic blood pressure ≥90 mmHg)
  3. High blood glucose: blood glucose ≥5.6 mmol/L or known diabetes
  4. Low HDL cholesterol: HDL cholesterol <1.03 mmol/L
  5. High triglyceride level: Triglyceride level ≥ 1.7mmol/L
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Change in the number of MetS risk factors
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Change in the number of MetS risk factors = (new # of MetS risk factors) - (original # of MetS risk factors)

Measures to determine MetS risk factors:

  1. Abdominal obesity: waist circumference >90th percentile for child's sex and age
  2. High blood pressure: systolic blood pressure ≥130 mm Hg or diastolic blood pressure ≥90 mmHg)
  3. High blood glucose: blood glucose ≥5.6 mmol/L or known diabetes
  4. Low HDL cholesterol: HDL cholesterol <1.03 mmol/L
  5. High triglyceride level: Triglyceride level ≥ 1.7mmol/L
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Positive Youth Development score
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Positive youth development will be measured using a 5 C's Model of Positive Youth Development Scale-Short Form (PYD-SF): A 34-item scale that assesses the strength of psychological, behavioral, and social development in youth.

The five dimensions measured are:

  1. Competence (sense of proficiency)
  2. Confidence (self-worth, self-efficacy)
  3. Character (adherence to societal and cultural rules)
  4. Connection (bonds with people and institutions)
  5. Caring (sympathy and empathy towards others)
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Toissijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Blood pressure level
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Blood pressure (systolic and diastolic) will be measured with two numbers using an automated Omron sphygmomanometer.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Concentration of blood glucose
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Glucose will be measured using a portable Cholestech LDX analyzer to assess a single capillary blood sample following an overnight fast.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Waist circumference
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Waist circumference will be measured at the midpoint between the floating rib and iliac crest using a tape measure.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Concentration of HDL cholesterol
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

HDL-C will be measured using a portable Cholestech LDX analyzer to assess a single capillary blood sample following an overnight fast.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Concentration of serum triglycerides
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Triglycerides will be measured using a portable Cholestech LDX analyzer to assess a single capillary blood sample following an overnight fast.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Height
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Height will be measured using a stadiometer in inches.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Weight
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Weight will be measured with a scale in pounds.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Body mass index (BMI)
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Weight will be measured with a scale, and height will be measured using a stadiometer. BMI will be calculated as BMI = (weight (lb)/height (inches)2) x 703.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Concentration of subdermal carotenoids
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

The concentration of subdermal carotenoids will assess the changes in fruit and vegetable consumption using the Veggie Meter: A non-invasive, portable machine that measures subdermal carotenoid levels using resonance Raman spectroscopy.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
Accelerometer-derived physical activity estimation
Aikaikkuna: Baseline to 9 months

Physical activity will be measured using Actigraph accelerometers. Measurements will include light physical activity (PA), moderate PA, moderate to vigorous PA, and vigorous PA.
Baseline to 9 months
Sedentary time
Aikaikkuna: Baseline to 9 months

Sedentary time will be measured using Actigraph accelerometers.
Baseline to 9 months
Time spent sleeping
Aikaikkuna: Baseline to 9 months

Sleep time will be measured using Actigraph accelerometers.
Baseline to 9 months
Physical fitness capacity estimation
Aikaikkuna: Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention

Physical fitness will be measured using the FitnessGram PACER multistage aerobic capacity test: Children will run back and forth 20 meters, with an initial running speed of 8.5 km/hour and a progressive 0.5-km/hour increase in running speed every minute. As the test continues it becomes progressively harder. The number of laps completed is used to estimate children's physical fitness physical fitness.
Baseline, 9 months (immediate post intervention), 4 months and 12 months post intervention
School physical activity and nutrition environment assessment
Aikaikkuna: Baseline to 9 months

The school's physical activity and nutrition environments will be measured using a self-reported School Environment Survey.
Baseline to 9 months
Assessment of perceptions of school environments and school-specific dietary intake patterns
Aikaikkuna: Baseline to 9 months

Perceptions related to physical activity and nutrition within the school setting will be measured using the Perceptions of the Environment and Patterns of Diet at School (PEA-PODS) survey.
Baseline to 9 months
Assessment of perceived sociopolitical control
Aikaikkuna: Baseline to 9 months

Perceived sociopolitical control will be measured using the Youth Engagement and Action for Health (YEAH!) survey. The YEAH survey will be used to assess students' perceived sociopolitical control (i.e., participation in advocacy programs and optimism for change).
Baseline to 9 months
Assessment of assertiveness
Aikaikkuna: Baseline to 9 months

Assertiveness will be measured using the Youth Engagement and Action for Health (YEAH!) survey. The YEAH survey will be used to assess students' assertiveness (i.e., ability to engage with adults and peers).
Baseline to 9 months
Assessment of participatory competence and decision-making
Aikaikkuna: Baseline to 9 months

Participatory competence and decision-making will be measured using the Youth Engagement and Action for Health (YEAH!) survey. The YEAH survey will be used to assess students' participatory competence and decision-making (i.e., ability to influence group decision-making).
Baseline to 9 months
Assessment of advocacy outcome efficacy
Aikaikkuna: Baseline to 9 months

Advocacy outcome efficacy will be measured using the Youth Engagement and Action for Health (YEAH!) survey. The YEAH survey will be used to assess students' advocacy outcome efficacy (i.e., belief in their ability to work with others to improve the school's physical activity and nutrition environment).
Baseline to 9 months
Peer concentration of subdermal carotenoids
Aikaikkuna: Baseline to 9 months

The concentration of subdermal carotenoids will assess peers' engagement in health behaviors changes in fruit and vegetable consumption using the Veggie Meter: A non-invasive, portable machine that measures subdermal carotenoid levels using resonance Raman spectroscopy.
Baseline to 9 months
Peer Body mass index (BMI)
Aikaikkuna: Baseline to 9 months

Peers' engagement in health behaviors will be measured by the change in peers' BMI. Weight will be measured with a scale, and height will be measured using a stadiometer. Calculate BMI with the formula: BMI = (weight (lb)/height (inches)2) x 703.
Baseline to 9 months
Peer physical fitness capacity estimation
Aikaikkuna: Baseline to 9 months

Peers' engagement in health behaviors will be measured by the change in peers' physical fitness. Physical fitness will be measured using the FitnessGram PACER multistage aerobic capacity test: Children will run back and forth 20 meters, with an initial running speed of 8.5 km/hour and a progressive 0.5-km/hour increase in running speed every minute. As the test continues it becomes progressively harder. The number of laps completed is used to estimate children's physical fitness physical fitness.
Baseline to 9 months

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

Texas A&M University

Yhteistyökumppanit

National Institute on Minority Health and Health Disparities (NIMHD)

Julkaisuja ja hyödyllisiä linkkejä

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Opintojen ennätyspäivät

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Tutkimustietojen päivitykset

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Maanantai 5. lokakuuta 2026

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Muut tutkimustunnusnumerot

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