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Messages for Increasing Dairy Consumption (MilkMessage)

22. října 2015 aktualizováno: Mary Jung, University of British Columbia

Testing the Effectiveness of Targeted, Framed, -Efficacy Enhancing Messages for Increasing Milk and Milk Product Consumption in Adults Aged 30--50 Years.

Over 35,000 Canadians, 65% of men and 72% of women aged 31-50 years fail to consume the recommended number of milk and milk product servings (≤2 servings per day). Given the wide range of health benefits associated with increased dietary intake of milk and milk products the objectives of this study were to conduct a prospective, 5-arm randomised controlled trial in order to test the effectiveness of a variety of messages for increasing milk and milk product consumption in men and women aged 30-50 years old. The five arms consisted of 4 messages that contained slightly different content specifically: 1) gain-framed message condition, 2) loss-framed message condition, 3) self-regulatory efficacy-enhancing message condition, 4) gain-framed and self-regulatory efficacy-enhancing message condition and 5) loss-framed plus self-regulatory efficacy-enhancing message condition. It was hypothesised that those who receive self-regulatory efficacy-enhancing information would consume more dairy than those who received messages without such information. Second, those who received gain-framed messages would consume more dairy as compared to those who received loss-framed messages. Third, those who received gain-framed messages that include self-regulatory efficacy-enhancing information would consume the most dairy in comparison to the other four conditions.

Přehled studie

Postavení

Dokončeno

Podmínky

Intervence / Léčba

Typ studie

Intervenční

Zápis (Aktuální)

732

Fáze

  • Nelze použít

Kontakty a umístění

Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.

Studijní místa

  • Kanada
    • British Columbia
      • Kelowna, British Columbia, Kanada, V1V 1V7
        • Health and Exercise Psychology Laboratory

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

30 let až 50 let (Dospělý)

Přijímá zdravé dobrovolníky

Ano

Pohlaví způsobilá ke studiu

Všechno

Popis

Inclusion Criteria:

  • Between 30 and 50 years of age
  • Consume less than 2 servings of milk or milk products per day
  • No health or religious reasons to avoid milk and milk products
  • Regular access to the internet
  • Can speak and read English

Exclusion Criteria:

  • Dietary restrictions, allergies, or medical reasons for limiting dairy intake will be excluded

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

  • Primární účel: Podpůrná péče
  • Přidělení: Randomizované
  • Intervenční model: Paralelní přiřazení
  • Maskování: Singl

Zbraně a zásahy

Skupina účastníků / Arm
Intervence / Léčba
Experimentální: Gain-Framed
Participants receive messages that highlight the potential benefits of engaging in a specific behaviour (i.e., what positive outcomes they could experience from consuming milk and milk products).
Behaviorální: Gain-Framed
Participants will be randomised to one of five message conditions. Each condition will receive a total of four emailed messages on four consecutive days (i.e., 1 message per day). Participants in the Gain-Framed message condition will receive message content that highlights the potential benefits of consuming milk and milk products (i.e., high protein content, stronger hair and nail etc.)
Experimentální: Loss-Framed
Participants receive messages that highlight the potentially loses of not engaging in a specific behaviour (i.e., what they could lose from not consuming milk and milk products).
Behaviorální: Loss-Framed
Participants will be randomised to one of five message conditions. Each condition will receive a total of four emailed messages on four consecutive days (i.e., 1 message per day). Participants in the Loss-Framed message condition will receive message content that highlights the potential losses of not consuming milk and milk products (i.e., lack of essential nutrients, less calcium).
Experimentální: Self-Regulatory Efficacy
Participants receive messages that provide them with tips and strategies on how to engage in the consumption of milk and milk products (i.e., recipes, meal planning etc.)
Behaviorální: Self-Regulatory Efficacy
Participants will be randomised to one of five message conditions. Each condition will receive a total of four emailed messages on four consecutive days (i.e., 1 message per day). Participants in the Self-Regulatory Efficacy message condition will receive information pertaining to how to include milk and milk products within their diet. This information will come in the form of recipes, meal planning, food combining etc.
Experimentální: Gain-Framed + Self-Regulatory Efficacy
Participants receive messages that highlight the potential benefits of engaging in a specific behaviour (i.e., what positive outcomes they could experience from consuming milk and milk products) and these messages also provide tips and strategies on how to engage in the consumption of milk and milk products (i.e., recipes, meal planning etc.).
Behaviorální: Gain-Framed + Self-Regulatory Efficacy
Participants will be randomised to one of five message conditions. Each condition will receive a total of four emailed messages on four consecutive days (i.e., 1 message per day). Participants in the Gain-Framed message + Self-Regulatory Efficacy condition will receive message content that highlights the potential benefits of consuming milk and milk products (i.e., high protein content, stronger hair and nail etc.) and information pertaining to how to include milk and milk products within their diet.
Experimentální: Loss-Framed + Self-Regulatory Efficacy
Participants receive messages that highlight the potentially loses of not engaging in a specific behaviour (i.e., what they could lose from not consuming milk and milk products) and these messages also provide tips and strategies on how to engage in the consumption of milk and milk products (i.e., recipes, meal planning etc.).
Behaviorální: Loss-Framed + Self-Regulatory Efficacy
Participants will be randomised to one of five message conditions. Each condition will receive a total of four emailed messages on four consecutive days (i.e., 1 message per day). Participants in the Loss-Framed message + Self-Regulatory Efficacy condition will receive message content that highlights the potential losses of not consuming milk and milk products (i.e., lack of essential nutrients, less calcium) and information pertaining to how to include milk and milk products within their diet.

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Changes from baseline in calcium from dairy at 1 and 4-week follow up
Časové okno: Baseline, 1-week follow-up, 4-week follow-up
Calcium consumed from dairy was assessed using a modified version of the "Calcium Calculator™" developed by the British Columbia Dairy Foundation. The original tool assesses consumption of calcium from a comprehensive list of 30 commonly consumed calcium containing products. For this study individuals were asked to indicate the portions they ate of 10 dairy products included in the list. An explanation of a portion was provided for each item. Milligrams of calcium consumed by participants on the previous day was determined for baseline, week 1 and week 4 follow-up.
Baseline, 1-week follow-up, 4-week follow-up

Sekundární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Self-Regulatory Efficacy
Časové okno: Baseline, Immedately after the Intervention (1-day), 4-Week Follow-Up
Changes in participants self-regulatory efficacy beliefs was assessed using an 18-item measure at baseline, 1-day after completion of the intervention and at 4-week follow-up. Self-regulatory efficacy beliefs items were context specific. Responses were scored on a scale of 0% (not at all) to 100% (extremely confident) with response options in 10% increments.
Baseline, Immedately after the Intervention (1-day), 4-Week Follow-Up
Outcome Expectations
Časové okno: Baseline, Immedately after the Intervention (1-day), 4-Week Follow-Up
Changes in participants outcome expectations was assessed at baseline, 1-day after completion of the intervention and at 4-week follow-up. The perceived likelihood of positive (16 items) and negative (5 items) outcomes occurring as a result of consuming milk and milk products was assessed using a 21-item measure. Responses were scored on a 9-point scale from 1 (very unlikely) to 9 (very likely).
Baseline, Immedately after the Intervention (1-day), 4-Week Follow-Up
Outcome Values
Časové okno: Baseline, Immedately after the Intervention (1-day), 4-Week Follow-Up
Changes in participants outcome values was assessed at baseline, 1-day after completion of the intervention and at 4-week follow-up. The perceived value of positive (16 items) and negative (5 items) outcomes occurring as a result of consuming milk and milk products was assessed using a 21-item measure. Responses were scored on a 9-point scale with a range of 1 (little value to me) to 9 (high value to me).
Baseline, Immedately after the Intervention (1-day), 4-Week Follow-Up

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Sponzor

University of British Columbia

Publikace a užitečné odkazy

Osoba odpovědná za zadávání informací o studiu tyto publikace poskytuje dobrovolně. Mohou se týkat čehokoli, co souvisí se studiem.

Obecné publikace

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia

1. srpna 2013

Primární dokončení (Aktuální)

1. listopadu 2013

Dokončení studie (Aktuální)

1. listopadu 2013

Termíny zápisu do studia

První předloženo

20. října 2015

První předloženo, které splnilo kritéria kontroly kvality

22. října 2015

První zveřejněno (Odhad)

26. října 2015

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Odhad)

26. října 2015

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

22. října 2015

Naposledy ověřeno

1. října 2015

Více informací

Termíny související s touto studií

Další identifikační čísla studie

  • H12-00332

Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .

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