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An RCT of a Smartphone-based TID Programme

10 septembre 2018 mis à jour par: Dr. Daniel Sai-Yin Ho, The University of Hong Kong

A Smartphone Messaging Programme for Tobacco Industry Denormalisation - a Randomised Controlled Trial

The study aims to test the effect a smartphone-based intervention on primary school students and their parents' attitudes towards tobacco industry and their tobacco-related communications.

Aperçu de l'étude

Statut

Complété

Les conditions

Intervention / Traitement

Type d'étude

Interventionnel

Inscription (Réel)

163

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

  • Hong Kong
      • Hong Kong, Hong Kong
        • Local primary schools

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

  • Enfant
  • Adulte
  • Adulte plus âgé

Accepte les volontaires sains

Oui

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • Parents and children should all understand Chinese.
  • Parents should have a smartphone and use WhatsApp (a smartphone-based app)

Exclusion Criteria:

  • n/a

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Autre
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: TID
Messages will be sent 1-2 times per week containing information that aims to denormalise the tobacco industry.
Autre: Smartphone-based messages

For the TID arm, the messages' contents include the tobacco industry's (TI's) anti-smoking campaigns that made smoking more grown-up and more appealing to youth; the TI's role in smoking in movies; etc.

For the sugar sweetened beverage (SSB) arm, the messages' contents include the disease conditions linked to SSBs, and the interference of sugar industry in scientific research.
Autre: Sugar sweetened beverages
Messages will be sent 1-2 times per week containing information on the adverse health effects of sugar sweetened beverages.
Autre: Smartphone-based messages

For the TID arm, the messages' contents include the tobacco industry's (TI's) anti-smoking campaigns that made smoking more grown-up and more appealing to youth; the TI's role in smoking in movies; etc.

For the sugar sweetened beverage (SSB) arm, the messages' contents include the disease conditions linked to SSBs, and the interference of sugar industry in scientific research.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
TID beliefs in parents
Délai: 1 month
Parents will report their opinions towards 4 sentences: 1) Tobacco companies are a respectable industry; 2) the tobacco industry does everything it can to get young people to smoke; 2) the tobacco industry use many tactics to resist tobacco control regulations; 4) the tobacco industry deceived the public for financial interests. All the 4 questions have 5 options from definitely yes to definitely no. The options will be recoded into 0-4 or 4-0, as appropriate, with higher scores indicating more negative attitudes towards the industry. A sum of scores from the 4 questions will be deemed a measurement of TID beliefs.
1 month
TID beliefs in children
Délai: 1 month
Students will report their opinions towards 4 sentences: 1) Tobacco companies are a respectable industry; 2) the tobacco industry does everything it can to get young people to smoke; 2) the tobacco industry use many tactics to resist tobacco control regulations; 4) the tobacco industry deceived the public for financial interests. All the 4 questions have 5 options from definitely yes to definitely no. The options will be recoded into 0-4 or 4-0, as appropriate, with higher scores indicating more negative attitudes towards the industry. A sum of scores from the 4 questions will be deemed a measurement of TID beliefs.
1 month

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Tobacco related communication reported by parents
Délai: 1 month
Parents will report whether they said the following to children in the past 30 days: 1) harm of smoking 2) harm of secondhand smoking 3) criticise smoking behaviour 4) approve tobacco control measures. Each of the messages will be analyse as a binary outcome.
1 month
Sugar sweetened beverage (SSB) related communication reported by parents
Délai: 1 month
Parents will report whether they said the following to children in the past 30 days: 1) harm of SSB 2) certain kind of drinks contain sugar 3) don't drink or drink less SSB. Each of the messages will be analyse as a binary outcome.
1 month
Tobacco related communication reported by children
Délai: 1 month
Students will report whether they heard the following from parents in the past 30 days: 1) harm of smoking 2) harm of secondhand smoking 3) criticize smoking behaviour 4) approve tobacco control measures. Each of the messages will be analyse as a binary outcome.
1 month
SSB related communication reported by children
Délai: 1 month
Students will report whether they heard the following from parents in the past 30 days: 1) harm of SSB 2) certain kind of drinks contain sugar 3) don't drink or drink less SSB. Each of the messages will be analyse as a binary outcome.
1 month
Intention to smoke in children
Délai: 1 month
Two questions will be used to assess this outcome: 1) do you think you will smoke in the next 12 months? 2) If one of your good friends offers you a cigarette, will you smoke it? Response options are definitely not/probably not/probably yes/definitely yes. Those choosing options other than "definitely not" for either of the questions will be deemed having intention to smoke; the other students will be deemed having no intention to smoke.
1 month
Home exposure to secondhand smoke in children reported by children
Délai: 1 month
One question will be asked: 1) On how many of the past 7 days did someone smoke near you at home? (Options 0 day/1/2/3/4/5/6/7). The responses will dichotomised into a binary indicator of secondhand smoke exposure (no/any) and analysed as an outcome.
1 month
Home exposure to secondhand smoke in children reported by parents
Délai: 1 month
One question will be asked: 1) On how many of the past 7 days did someone smoke near your children at home? (Options 0 day/1/2/3/4/5/6/7). The responses will dichotomised into a binary indicator of secondhand smoke exposure (no/any) and analysed as an outcome.
1 month
Parents' support for tobacco control
Délai: 1 month
Parents will report their opinions towards 4 sentences: 1) government should adopt plain packaging; 2) government should impose stronger regulation on tobacco; 3) government should strengthen the prevention of the harm of tobacco. The options were strongly support/support/neutral/oppose/strongly oppose. The options will be recoded into 4-0, with higher scores indicating stronger support for tobacco control. A sum of scores from the 4 questions will be deemed a measurement of parents' support for tobacco control.
1 month
Negative attitude towards smoking in parents
Délai: 1 month
Parents will be asked "your attitude towards smoking is" with options of very positive/positive/neutral/negative/very negative. The options will be dichotomised as very negative vs others (negative/neutral/positive/very positive) for analysis.
1 month
Negative attitude towards smoking in children
Délai: 1 month
Children will be asked "your attitude towards smoking is" with options of very positive/positive/neutral/negative/very negative. The options will be dichotomised as very negative vs others (negative/neutral/positive/very positive) for analysis.
1 month
Past 7-day consumption of SSB and water in children reported by children
Délai: 1 month
Children will be asked "On how many of the past 7 days did you drink SSBs?" and "On how many of the past 7 days did you drink water?" For both questions, the options were 0/1/2/3/4/5/6/7 days. These two variables will be analysed as both binary (No (0 day) vs any (1/2/3/4/5/6/7 days)) and continuous variables.
1 month
Past 7-day consumption of SSB and water in children reported by parents
Délai: 1 month
Parents will be asked "On how many of the past 7 days did you drink SSBs?" and "On how many of the past 7 days did you drink water?" For both questions, the options were 0/1/2/3/4/5/6/7 days. These two variables will be analysed as both binary (No (0 day) vs any (1/2/3/4/5/6/7 days)) and continuous variables.
1 month

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

The University of Hong Kong

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

22 mars 2018

Achèvement primaire (Réel)

29 juin 2018

Achèvement de l'étude (Réel)

29 juin 2018

Dates d'inscription aux études

Première soumission

8 novembre 2017

Première soumission répondant aux critères de contrôle qualité

9 novembre 2017

Première publication (Réel)

17 novembre 2017

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

12 septembre 2018

Dernière mise à jour soumise répondant aux critères de contrôle qualité

10 septembre 2018

Dernière vérification

1 septembre 2018

Plus d'information

Termes liés à cette étude

Autres numéros d'identification d'étude

  • coshdrama

Plan pour les données individuelles des participants (IPD)

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INDÉCIS

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

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