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

2017 ◽  
pp. 1-20 ◽  
Author(s):  
Chung-Ying Lin ◽  
Janneke F.M. Scheerman ◽  
Mehdi Yaseri ◽  
Amir H. Pakpour ◽  
Thomas L. Webb
2009 ◽  
Vol 12 (11) ◽  
pp. 2199-2208 ◽  
Author(s):  
Meizi He ◽  
Charlene Beynon ◽  
Michelle Sangster Bouck ◽  
Renée St Onge ◽  
Susan Stewart ◽  
...  

AbstractObjectiveThe purpose of this impact evaluation was to measure the influence of a government of Ontario, Canada health promotion initiative, the Northern Fruit and Vegetable Pilot Programme (NFVPP), on elementary school-aged children’s psychosocial variables regarding fruit and vegetables, and fruit and vegetable consumption patterns.DesignA cluster-randomised controlled trial design was used. The NFVPP consisted of three intervention arms: (i) Intervention I: Free Fruit and Vegetable Snack (FFVS) + Enhanced Nutrition Education; (ii) Intervention II: FFVS-alone; and (iii) Control group. Using the Pro-Children Questionnaire, the primary outcome measure was children’s fruit and vegetable consumption, and the secondary outcome measures included differences in children’s awareness, knowledge, self-efficacy, preference, intention and willingness to increase fruit and vegetable consumption.Setting/SubjectsTwenty-six elementary schools in a defined area of Northern Ontario were eligible to participate in the impact evaluation. A final sample size of 1277 students in grades five to eight was achieved.ResultsIntervention I students consumed more fruit and vegetables at school than their Control counterparts by 0·49 serving/d (P < 0·05). Similarly, Intervention II students consumed more fruit and vegetables at school than Control students by 0·42 serving/d, although this difference was not statistically significant. Among students in both intervention groups, preferences for certain fruit and vegetables shifted from ‘never tried it’ towards ‘like it’.ConclusionsThe NFVPP resulted in positive changes in elementary school-aged children’s fruit and vegetable consumption at school, and favourable preference changes for certain fruit and vegetables.


2022 ◽  
Vol 14 (1) ◽  
Author(s):  
Soheila Ranjbaran ◽  
Davoud Shojaeizadeh ◽  
Tahereh Dehdari ◽  
Mehdi Yaseri ◽  
Elham Shakibazadeh

Abstract Background Diabetes is a major cause of worldwide morbidity and mortality. Diet and medication non-adherence are common among individuals with diabetes, making glycemic control difficult to attain. This study aimed to evaluate an intervention designed based on Health Action Process Approach (HAPA) to improve adherence to diet and medication among patients with type 2 diabetes in Tehran, Iran. Methods The study was a randomized controlled trial. A total of 248 patients with type 2 diabetes who had low diet and medication adherence were randomly allocated into two intervention (n  = 124) and control (n  = 124) groups. Intervention group received educational intervention during three months. HAPA constructs, diet and medication adherence, and Hemoglobin A1c (HbA1c) levels were assessed at baseline, one month and six months after the intervention. Mixed Model Analysis was used to compare between and within group changes in the outcomes. Results There was a statistically significant improvement in HbA1c levels after six months (7.77 ± 1.36% vs. 8.07 ± 1.52%, 95% CI, p  < 0.001). Diet and medication adherence, intention, task self-efficacy, coping self-efficacy, recovery self-efficacy, action and coping planning, barriers, benefits and perceived social support were significantly improved one month and six months after the intervention (p  < 0.001). Conclusion Our intervention designed based on health action process approach led to improvements in diet and medication adherence, and HbA1c among the patients within one and six months. Trial registration: IRCT, IRCT20151208025431N4. Registered 10 March 2018, https://fa.irct.ir


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