Nutrition
Conditions
Brief summary
This study is a longitudinal controlled trial that is designed to investigate the effectiveness of a multi-component intervention on improving fruit and vegetable consumption in teenagers and their mothers.
Detailed description
This study is a longitudinal controlled trial that is designed to investigate the effectiveness of a multi-component intervention on improving fruit and vegetable consumption in teenagers and their mothers. Participants will be allocated in three groups with a) an intervention group in which mothers and children receive the intervention and questionnaires, b) only the children receive the intervention and mothers and children receive the questionnaires, and c) mothers and children are in active control group and only receive the questionnaires. The intervention package contains behavior change techniques targeting outcome expectancy, self-efficacy, action planning, coping planning, and self-monitoring. The active control group receives an information sheet regarding recommendations on fruit and vegetable intake. There will be 3 assessment points in time, with 1 months in between. All the intervention materials and information sheets will be handed to participants after the baseline assessment. The self-monitoring calendar will be collected at time 2 assessment. The primary outcome of this study is to estimate the dyadic mechanisms between mothers and their children regarding improving fruit and vegetable intake. Secondary outcome is to investigate whether fruit and vegetable consumption did improve in the intervention groups in general and also to find the psychological mechanism behind the changes during the time of the study.
Interventions
BEHAVIORALbehavioral
The intervention package contains behavior change techniques targeting outcome expectancy, self-efficacy, action planning, coping planning, and self-monitoring. The active control group receives an information sheet regarding recommendations on fruit and vegetable intake. There will be 3 assessment points in time, with 1 month and six months in between. All the intervention materials and information sheets will be handed to participants after the baseline assessment. The self-monitoring calendar will be collected at time 2 assessment.
BEHAVIORALprimary eduction
The intervention package contains behavior change techniques targeting outcome expectancy, self-efficacy, action planning, coping planning, and self-monitoring. The active control group receives an information sheet regarding recommendations on fruit and vegetable intake. There will be 3 assessment points in time, with 1 1 month and six months in between. All the intervention materials and information sheets will be handed to participants after the baseline assessment. The self-monitoring calendar will be collected at time 2 assessment.
Sponsors
Qazvin University Of Medical Sciences
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
DOUBLE (Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Healthy volunteers
Yes
Inclusion criteria
* They are not involved in the nutritional education * Ability to understand Persian language Adolescents attending high schools in Qazvin
Exclusion criteria
* Does not meet inclusion criteria
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| changes in fruit intake using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
| changes in vegetable intake using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| changes in coping planning using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
| changes in self efficacy using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
| changes in self-monitoring using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
| changes in action planning using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
| changes in outcome expectancy using a self-reported questionnaire | baseline, 1 Months, 6 months follow-up | using a self-reported questionnaire |
Countries
Iran
Outcome results
None listed