Food Habits, Obesity, Physical Activity
Conditions
Keywords
Children, School-based program, Obesity
Brief summary
The objective of the study is to evaluate the efficacy of an intervention on food habits and physical activity in school-age children.
Detailed description
A two-year cluster-randomised prospective study with two parallel arms was used to evaluate an intervention programme in children in their first year of primary schooling (5-6 years of age) in schools in the city of Granollers. The intervention consisted of the promotion of healthy eating habits and physical activity by means of the educational methodology Investigation, Vision, Action and Change (IVAC). At the beginning and at the end of the study (2006 and 2008) the weight and height of each child was measured in situ, while the families were given a self-report physical activity questionnaire and the Krece Plus quick test.
Interventions
OTHEREducational program
The intervention consisted of the promotion of healthy eating habits and physical activity by means of the educational methodology Investigation, Vision, Action and Change (IVAC). At the beginning and at the end of 1st phase of the study (2006 and 2008) the weight and height of each child was measured in situ, while the families were given a self-report physical activity questionnaire and the Krece Plus quick test
Sponsors
Hospital de Granollers
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
5 Years to 6 Years
Healthy volunteers
No
Inclusion criteria
* Children born in 2000 who attended schools in Granollers City
Exclusion criteria
* Schoolchildren who need special diet for metabolic or digestive disorder, physical activity incapacity, no family acceptance or attendance to school was discontinued
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Anthropometric Variables | every two years | BMI progression in the intervention and the control group. Secondary outcomes measured in this study were changes in eating habits and in physical activity. |
Secondary
| Measure | Time frame |
|---|---|
| Height | every two years |
| Father's Height | every two years |
| Mother's Height | every two years |
Participant flow
Recruitment details
In 2006, the 16 schools in Granollers were randomly distributed to the intervention or control group stratified according to public or semi-private status, number of first-year's classrooms and socioeconomic status of the local neighborhood.
Participants by arm
| Arm | Count |
|---|---|
| Educational Intervention, Control Experimental, intervention group has received educational training to improve food habits and physical activity
Educational program: The intervention consisted of the promotion of healthy eating habits and physical activity by means of the educational methodology Investigation, Vision, Action and Change (IVAC). At the beginning and at the end of 1st phase of the study (2006 and 2008) the weight and height of each child was measured in situ | 237 |
| Non Intervention No intervention has been made. | 272 |
| Total | 509 |
Baseline characteristics
| Characteristic | Educational Intervention, Control | Non Intervention | Total |
|---|---|---|---|
| Age, Continuous Age | 6.03 years STANDARD_DEVIATION 0.3 | 6.03 years STANDARD_DEVIATION 0.3 | 6.03 years STANDARD_DEVIATION 0.3 |
| Sex: Female, Male Female | 108 Participants | 126 Participants | 234 Participants |
| Sex: Female, Male Male | 129 Participants | 146 Participants | 275 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk |
|---|---|---|
| deaths Total, all-cause mortality | 0 / 237 | 0 / 272 |
| other Total, other adverse events | 0 / 237 | 0 / 272 |
| serious Total, serious adverse events | 0 / 237 | 0 / 272 |
Outcome results
Primary
Anthropometric Variables
BMI progression in the intervention and the control group. Secondary outcomes measured in this study were changes in eating habits and in physical activity.
Time frame: every two years
Population: Qualitative variables are described in absolute and relative frequencies (percentages). Continuous variables are described as mean and SD.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Educational Intervention, Control | Anthropometric Variables | 16.4 kg/m^2 | Standard Deviation 2.8 |
| Non Intervention | Anthropometric Variables | 17.0 kg/m^2 | Standard Deviation 2.4 |
p-value: 0.05Mixed Models Analysis
Secondary
Father's Height
Time frame: every two years
Population: Qualitative variables are described in absolute and relative frequencies (percentages). Continuous variables are described as mean and SD.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Educational Intervention, Control | Father's Height | 1.74 m | Standard Deviation 0.07 |
| Non Intervention | Father's Height | 1.75 m | Standard Deviation 0.07 |
Secondary
Height
Time frame: every two years
Population: Qualitative variables are described in absolute and relative frequencies (percentages). Continuous variables are described as mean and SD
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Educational Intervention, Control | Height | 1.21 m | Standard Deviation 0.06 |
| Non Intervention | Height | 1.19 m | Standard Deviation 0.06 |
Secondary
Mother's Height
Time frame: every two years
Population: Qualitative variables are described in absolute and relative frequencies (percentages). Continuous variables are described as mean and SD.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Educational Intervention, Control | Mother's Height | 1.61 m | Standard Deviation 0.07 |
| Non Intervention | Mother's Height | 1.62 m | Standard Deviation 0.07 |