A cluster randomised controlled trial of an intervention based on the Health Action Process Approach for increasing fruit and vegetable consumption in Iranian adolescents

Lin, Chung‐Ying; Scheerman, Janneke; Yaseri, Mehdi; Pakpour, Amir H.; Webb, Thomas L.

doi:10.1080/08870446.2017.1341516

Cited by 24 publications

(23 citation statements)

References 49 publications

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“…Because different countries may have different access to or using habits concerning the social media, it is possible that the BSMAS structure is slightly different between centuries. In addition, the cognitive ability between adolescents and adults is different ( Lin, Scheerma, Yaseri, Pakpour, & Webb, 2017 ), which implies that these different age groups may have different interpretations of BSMAS items. Nevertheless, the one-factor structure of the BSMAS was confirmed, and the only difference was whether Items 1 and 2 additionally shared similar concept outside of the BSMAS.…”

Section: Discussionmentioning

confidence: 99%

Psychometric validation of the Persian Bergen Social Media Addiction Scale using classic test theory and Rasch models

et al. 2017

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Background and aimsThe Bergen Social Media Addiction Scale (BSMAS), a six-item self-report scale that is a brief and effective psychometric instrument for assessing at-risk social media addiction on the Internet. However, its psychometric properties in Persian have never been examined and no studies have applied Rasch analysis for the psychometric testing. This study aimed to verify the construct validity of the Persian BSMAS using confirmatory factor analysis (CFA) and Rasch models among 2,676 Iranian adolescents.MethodsIn addition to construct validity, measurement invariance in CFA and differential item functioning (DIF) in Rasch analysis across gender were tested for in the Persian BSMAS.ResultsBoth CFA [comparative fit index (CFI) = 0.993; Tucker–Lewis index (TLI) = 0.989; root mean square error of approximation (RMSEA) = 0.057; standardized root mean square residual (SRMR) = 0.039] and Rasch (infit MnSq = 0.88–1.28; outfit MnSq = 0.86–1.22) confirmed the unidimensionality of the BSMAS. Moreover, measurement invariance was supported in multigroup CFA including metric invariance (ΔCFI = −0.001; ΔSRMR = 0.003; ΔRMSEA = −0.005) and scalar invariance (ΔCFI = −0.002; ΔSRMR = 0.005; ΔRMSEA = 0.001) across gender. No item displayed DIF (DIF contrast = −0.48 to 0.24) in Rasch across gender.ConclusionsGiven the Persian BSMAS was unidimensional, it is concluded that the instrument can be used to assess how an adolescent is addicted to social media on the Internet. Moreover, users of the instrument may comfortably compare the sum scores of the BSMAS across gender.

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Section: Discussionmentioning

confidence: 99%

Psychometric validation of the Persian Bergen Social Media Addiction Scale using classic test theory and Rasch models

et al. 2017

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“…1998). Also, an experimental study has shown the effectiveness of involving mothers in changing dietary behaviour in adolescents (Lin, Scheerman, Yaseri, Pakpour, & Webb 2017). In the A þ M intervention group, in addition to the social media education and behavioural coaching material given as part of the A group, mothers were instructed to coach and monitor their child's behaviour, to assist their child in making action and coping plans, and to encourage their child to accomplish their daily oral health behaviour tasks.…”

Section: The Current Studymentioning

confidence: 99%

A theory-based intervention delivered by an online social media platform to promote oral health among Iranian adolescents: a cluster randomized controlled trial

Scheerman

Hamilton

Sharif

et al. 2019

Psychology & Health

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Objective: Based on the Health Action Process Approach, we tested the efficacy of a theory-based program using an online social media platform (Telegram) to promote good oral hygiene behaviour among Iranian adolescents. Design: A three-arm randomized-controlled trial design was used, consisting of an adolescent only intervention group (A group; n ¼ 253), an adolescent and mother intervention group (A þ M group; n ¼ 260), and a control group (n ¼ 278). Main outcome measures: Psychosocial variables, toothbrushing behaviour, Visual Plaque Index, and Community Periodontal Index. Results: Increases in adolescent toothbrushing at the one-and six-month follow-ups in both intervention groups compared to the control group were observed. Adolescents in the A þ M group showed significant greater improvements in their toothbrushing behaviour, Visual Plaque Index, and Community Periodontal Index scores than adolescents in the A group. Improvements to toothbrushing social cognitions were also observed. Conclusions: Current results support the use of the theory-based program delivered by Telegram in improving good oral hygiene behaviour and oral health outcomes among Iranian adolescents. Involving mothers in an intervention can confer additional benefits for adolescent oral health.

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“…Health literacy and risk perception were added because both factors help an individual judge the importance of a healthy behavior. [26][27][28] For example, a person with DM who has good health literacy in DM management knows that exercise is important, and may have higher intention to exercise than a person with DM who does not have such knowledge. Also, if a person with DM acknowledges that excessive sugar intake may worsen the symptoms (a kind of risk perception), he or she may not want to consume sugar.…”

Section: Introductionmentioning

confidence: 99%

Can a modified theory of planned behavior explain the effects of empowerment education for people with type 2 diabetes?

Lin

Cheung²,

Hung³

et al. 2020

Therapeutic Advances in Endocrinology

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Background: The effectiveness of the Patient Empowerment Program (PEP) has been demonstrated in people with diabetes mellitus (DM); however, the underlying reasons for its effectiveness remain unclear. To improve effectiveness, we need to study the psychological mechanism(s) of PEP to understand why it is effective. This study hypothesized that the Theory of Planned Behavior (TPB), modified specifically for people with DM, could describe the mechanism explaining PEP effects. Methods: A longitudinal design was used. Patients with type 2 DM ( n = 365; 151 males; mean age = 62.9 ± 9.6 years) received two education sessions (i.e. seminars delivered by registered nurses to provide disease-specific knowledge), and some ( n = 210) further enrolled afterwards in five empowerment sessions (i.e. small-group interactive workshops conducted by social workers to practice action planning, problem solving, and experience sharing). Validated questionnaires were used to measure risk perception, health literacy, attitude, subjective norm, perceived behavioral control and behavioral intention on diabetes self-care behaviors, and four diabetes self-care behaviors (diet control, exercise, blood glucose monitoring, and foot care) at baseline. Three months later (i.e. at the end of PEP), all participants completed the behavioral intention and diabetes self-care behaviors measures again. Attitude, subjective norm, perceived behavioral control, behavioral intention, and diabetes self-care behaviors were assessed to represent the TPB constructs. Risk perception and health literacy elements relevant to people with DM were assessed and added to modify the TPB. Results: The behavioral intention was associated with three diabetes self-care behaviors: exercise, blood glucose monitoring, and foot care. The behavioral intention was found to be a significant mediator in the following relationships: empowerment session participation and exercise (β = 0.045, p = 0.04), and empowerment session participation and foot care (β = 0.099, p < 0.001). Conclusions: The effects of enrollment of empowerment sessions in PEP on exercise and foot care were likely to be mediated through behavioral intention.

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A cluster randomised controlled trial of an intervention based on the Health Action Process Approach for increasing fruit and vegetable consumption in Iranian adolescents

Cited by 24 publications

References 49 publications

Psychometric validation of the Persian Bergen Social Media Addiction Scale using classic test theory and Rasch models

Psychometric validation of the Persian Bergen Social Media Addiction Scale using classic test theory and Rasch models

A theory-based intervention delivered by an online social media platform to promote oral health among Iranian adolescents: a cluster randomized controlled trial

Can a modified theory of planned behavior explain the effects of empowerment education for people with type 2 diabetes?

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