Obesity
Conditions
Brief summary
The present study is a randomized school-based trial of a sample of 5th and 6th grade students from 10 public schools in the municipality of Duque de Caxias, metropolitan area of Rio de Janeiro, Brazil. The aim is to investigate whether adding nudging actions to the intervention group of PAAPPAS trial (PAAPAS Study, NCT02711488) increase fruits, vegetables and water consumption and daily energy expenditure, in a factorial design.
Interventions
BEHAVIORALeducational activities
Group 2 will receive classroom-based educational activities based on an earlier study, called PAPPAS, which was developed in the same city and constituted a school-based intervention with the objective of reducing the consumption of sweetened beverages and biscuits and increase the consumption of fruits, vegetables and beans
BEHAVIORALnudging
In group 3, changes in the environment will be included that will facilitate both physical activity and healthy food choices
BEHAVIORALnudging + educational activities
Group 4 will receive both interventions
Sponsors
Oswaldo Cruz Foundation
Rio de Janeiro State University
Study design
Allocation
RANDOMIZED
Intervention model
FACTORIAL
Primary purpose
PREVENTION
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
9 Years to 15 Years
Healthy volunteers
Yes
Inclusion criteria
5th and 6th grades students consent form signed by parents/tutors
Exclusion criteria
pregnant girls
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Body Mass Index | 6 months | Sample size of PAAPPAS Nudge was calculated based on a minimum effect of 0.15 in BMI variation and considering intra and intergroup comparisons. Body mass index (BMI) will be determined as a ratio between body weight (kg) and squared height (m). |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Fruit consumption | 6 months | Food intake will be assessed by a food frequency questionnaire validated for teenagers in Rio de Janeiro and one 24-hour recall (Rec24h). Netbooks containing a computer program developed for school use, based on a technique called Multiple Pass Method will be used. |
| Vegetable consumption | 6 months | Vegetable consumption will be assessed by one 24-hour recall (Rec24h). The food items in the Rec24h will be transformed into daily consumption and grouped according to similary in nutritional containing |
| Water consumption | 6 months | Water consumption will be assessed by a question regarding the number of glasses of water consumed during a day. Glasses of water consumed during a day will be assessed by a question at baseline and at the end of the study. |
| Physical activity | 6 months | Physical activity levels will be measured through a validated questionnaire including six questions about frequency and time of different physical activities domains. |
Countries
Brazil
Outcome results
None listed