- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT02574689
Home-based, Individually-tailored Physical Activity Print Intervention for African American Women in the Deep South (HIPP)
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
80 women will receive the HIPP Intervention or Wellness Contact Control. While main outcomes are focused on feasibility and acceptability, physical activity, fitness, and body weight and composition data will be collected at baseline, 6 months, and 12 months, along with blood draws.
HIPP Intervention: The physical activity intervention is based on the Social Cognitive Theory and Transtheoretical Model and, emphasizes behavioral strategies for increasing activity levels (i.e., goal-setting, self-monitoring, problem-solving barriers, increasing social support, rewarding oneself for meeting physical activity goals), and includes regular mailings (three mailings in month 1, two mailings in months 2 and 3, one mailing in months 4, 5, 6, 8, and 10) of physical activity manuals that are matched to the participant's current level of motivational readiness and individually-tailored computer expert system feedback reports. Computer expert system feedback reports will be based on participants' monthly update survey data and include information on:
- current stage of motivational readiness for physical activity;
- increasing self- efficacy (i.e., confidence) for physical activity participation;
- weighing the pros and cons of engaging in physical activity (decisional balance);
- social support from family and friends for physical activity participation;
- outcome expectations (beliefs regarding the consequences of physical activity participation);
- perceived enjoyment of physical activity;
- how the participant compares to her prior responses (progress feedback);
- how the participant compares to individuals who are physically active and with national guidelines (normative feedback);
- self monitoring of physical activity behavior (using pedometers and activity logs to track the total steps and minutes of moderate intensity physical activity per day).
The computer expert system draws from a bank of 330 messages addressing different levels of psychosocial and environmental factors affecting physical activity. Intervention participants will also receive tip sheets addressing physical activity barriers specific to African American women in the Deep South (as identified during our focus groups and comprehensive literature review).
Wellness Contact Control Condition: Cancer prevention information on topics other than physical activity (e.g., "Add Fruits and Veggies to Your Diet") from the American Cancer Society (ACS) website (www.cancer.org) will be mailed to control participants at the same time points that the HIPP Intervention participants receive their physical activity intervention materials.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Alabama
-
Birmingham, Alabama, Forenede Stater, 35233
- University of Alabama at Birmingham
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- African American
- Post-menopausal (defined as not having menstrual periods for at least 12 months)
- Not taking hormone replacement therapy
- Healthy (BMI 18.5-40; No history of heart disease, myocardial infarction, angina, stroke, or orthopedic conditions which limit mobility, or any serious medical condition that would make physical activity unsafe; no psychiatric hospitalization in past 3 years).
- Not taking medication that may impair physical activity tolerance or performance (e.g., beta blockers).
- Not planning to move from the area for the next 12 months
- Willing to be randomized to either study arm and adhere to study protocol
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: HIPP Intervention
The physical activity intervention emphasizes behavioral strategies for increasing activity levels (i.e., goal-setting, self-monitoring, problem-solving barriers, increasing social support, rewarding oneself for meeting physical activity goals), and includes regular mailings (three mailings in month 1, two mailings in months 2 and 3, one mailing in months 4, 5, 6, 8, and 10) of physical activity manuals that are matched to the participant's current level of motivational readiness and individually-tailored computer expert system feedback reports.
|
The physical activity intervention is based on the Social Cognitive Theory and Transtheoretical Model and includes motivation-matched physical activity manuals and individually-tailored computer expert system feedback reports.
Tailored reports are based on participants' monthly update survey data and cover: 1) current stage of change; 2) self-efficacy; 3) decisional balance; 4) social support; 5) outcome expectations; 6) enjoyment; 7) progress feedback; 8) normative feedback; 9) self regulation.
The computer expert system draws from a bank of 330 messages addressing different levels of psychosocial and environmental factors affecting physical activity.
|
Aktiv komparator: Wellness Contact Control
Cancer prevention information on topics other than physical activity (e.g., "Add Fruits and Veggies to Your Diet") from the ACS website (www.cancer.org)
will be mailed to control participants at the same time points that the HIPP Intervention participants receive their physical activity intervention materials.
|
Cancer prevention information on topics other than physical activity (e.g., "Add Fruits and Veggies to Your Diet") from the American Cancer Society website (www.cancer.org)
are mailed to control participants at the same time points that the HIPP Intervention participants receive their physical activity intervention materials.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
7-Day Physical activity Recall interview (change from baseline in 7-Day physical activity recall interview)
Tidsramme: baseline and 6 months
|
minutes/week of moderate intensity or greater physical activity
|
baseline and 6 months
|
7-Day Physical activity Recall interview (change from baseline in 7-Day physical activity recall interview)
Tidsramme: baseline and 12 months
|
minutes/week of moderate intensity or greater physical activity
|
baseline and 12 months
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
6 minute walk test
Tidsramme: baseline, 6 months, 12 months
|
meters walked in 6 minutes
|
baseline, 6 months, 12 months
|
body mass index
Tidsramme: baseline, 6 months, 12 months
|
kg/m^2
|
baseline, 6 months, 12 months
|
waist circumference
Tidsramme: baseline, 6 months, 12 months
|
cm
|
baseline, 6 months, 12 months
|
body impedance analyses
Tidsramme: baseline, 6 months, 12 months
|
% body fat
|
baseline, 6 months, 12 months
|
Social Support for exercise scale
Tidsramme: baseline, 6 months, 12 months
|
range=0-65 for both friends and family subscales, with higher scores indicating more social support
|
baseline, 6 months, 12 months
|
Outcome expectations scale
Tidsramme: baseline, 6 months, 12 months
|
range= 1-5, with higher scores representing more outcome expectations
|
baseline, 6 months, 12 months
|
Physical Activity Enjoyment scale
Tidsramme: baseline, 6 months, 12 months
|
range=18-126, with higher scores indicating more enjoyment
|
baseline, 6 months, 12 months
|
accelerometers
Tidsramme: baseline, 6 months, 12 months
|
minutes/week of moderate intensity or greater physical activity
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baseline, 6 months, 12 months
|
Stages of Readiness Measure
Tidsramme: baseline, 6 months, 12 months
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categorize participants into stages of change (pre contemplation, contemplation, preparation, action, maintenance)
|
baseline, 6 months, 12 months
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Self -Efficacy for physical activity scale
Tidsramme: baseline, 6 months, 12 months
|
range= 1-5, with higher scores representing more self-efficacy
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baseline, 6 months, 12 months
|
processes of change measure
Tidsramme: baseline, 6 months, 12 months
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range= 1-5, with higher scores representing greater use of cognitive and/or behavioral processes of change
|
baseline, 6 months, 12 months
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Decisional Balance scale
Tidsramme: baseline, 6 months, 12 months
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scores >0 indicate more advantages than disadvantages to physical activity
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baseline, 6 months, 12 months
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Samarbejdspartnere og efterforskere
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Dori Pekmezi, PhD, University of Alabama at Birmingham
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Andre undersøgelses-id-numre
- X130405004
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