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Texting your way to healthier eating? Effects of participating in a feedback intervention using text messaging on adolescents’ fruit and vegetable intake

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Texting your way to healthier eating? Effects of participating in a feedback intervention using text messaging on adolescents’ fruit and vegetable intake. / Pedersen, Susanne; Grønhøj, Alice; Thøgersen, John.

In: Health Education Research, Vol. 31, No. 2, 2016, p. 171-184.

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@article{13258bd330b84dd18bae4a77efbcea89,
title = "Texting your way to healthier eating?: Effects of participating in a feedback intervention using text messaging on adolescents’ fruit and vegetable intake",
abstract = "This study investigates the effects of a feedback intervention employing text messaging during 11 weeks on adolescents’ behavior, self-efficacy and outcome expectations regarding fruit and vegetable intake. A pre- and post-survey was completed by 1488 adolescents school-wise randomly allocated to a control group and two experimental groups.Bothexperimentalgroupssetweeklygoals on fruit and vegetable intake, reported their consumption daily and subsequently received feedback on their performance via mobile text messaging (Short Message Service [SMS]). The second experimental group also received, in addition, a 45-min nutrition education session from a dietitian during school. The direct effects of the interventions were not significant. However, for adolescents participating in the SMS routines, there were significant effects of the level of engagement in the intervention, reflected in the number of sent text messages, on intervention outcomes. Participantssendingmorethanhalfofthepossible text messages significantly increased their fruit and vegetable intake. Participants sending between 10{\%} and 50{\%} of the possible text messages experienced a significant drop in self-efficacy and those sending less than 10{\%} experienced a significant drop in outcome expectations. The findings suggest that participants’ active engagement in an intervention is crucial to its success. Implications for health-promoting interventions are discussed.",
author = "Susanne Pedersen and Alice Gr{\o}nh{\o}j and John Th{\o}gersen",
year = "2016",
doi = "10.1093/her/cyv104",
language = "English",
volume = "31",
pages = "171--184",
journal = "Health Education Research",
issn = "0268-1153",
publisher = "Oxford University Press",
number = "2",

}

RIS

TY - JOUR

T1 - Texting your way to healthier eating?

T2 - Effects of participating in a feedback intervention using text messaging on adolescents’ fruit and vegetable intake

AU - Pedersen, Susanne

AU - Grønhøj, Alice

AU - Thøgersen, John

PY - 2016

Y1 - 2016

N2 - This study investigates the effects of a feedback intervention employing text messaging during 11 weeks on adolescents’ behavior, self-efficacy and outcome expectations regarding fruit and vegetable intake. A pre- and post-survey was completed by 1488 adolescents school-wise randomly allocated to a control group and two experimental groups.Bothexperimentalgroupssetweeklygoals on fruit and vegetable intake, reported their consumption daily and subsequently received feedback on their performance via mobile text messaging (Short Message Service [SMS]). The second experimental group also received, in addition, a 45-min nutrition education session from a dietitian during school. The direct effects of the interventions were not significant. However, for adolescents participating in the SMS routines, there were significant effects of the level of engagement in the intervention, reflected in the number of sent text messages, on intervention outcomes. Participantssendingmorethanhalfofthepossible text messages significantly increased their fruit and vegetable intake. Participants sending between 10% and 50% of the possible text messages experienced a significant drop in self-efficacy and those sending less than 10% experienced a significant drop in outcome expectations. The findings suggest that participants’ active engagement in an intervention is crucial to its success. Implications for health-promoting interventions are discussed.

AB - This study investigates the effects of a feedback intervention employing text messaging during 11 weeks on adolescents’ behavior, self-efficacy and outcome expectations regarding fruit and vegetable intake. A pre- and post-survey was completed by 1488 adolescents school-wise randomly allocated to a control group and two experimental groups.Bothexperimentalgroupssetweeklygoals on fruit and vegetable intake, reported their consumption daily and subsequently received feedback on their performance via mobile text messaging (Short Message Service [SMS]). The second experimental group also received, in addition, a 45-min nutrition education session from a dietitian during school. The direct effects of the interventions were not significant. However, for adolescents participating in the SMS routines, there were significant effects of the level of engagement in the intervention, reflected in the number of sent text messages, on intervention outcomes. Participantssendingmorethanhalfofthepossible text messages significantly increased their fruit and vegetable intake. Participants sending between 10% and 50% of the possible text messages experienced a significant drop in self-efficacy and those sending less than 10% experienced a significant drop in outcome expectations. The findings suggest that participants’ active engagement in an intervention is crucial to its success. Implications for health-promoting interventions are discussed.

U2 - 10.1093/her/cyv104

DO - 10.1093/her/cyv104

M3 - Journal article

C2 - 26850061

VL - 31

SP - 171

EP - 184

JO - Health Education Research

JF - Health Education Research

SN - 0268-1153

IS - 2

ER -