Table 1.
Measures used in the IDEA study
| Factors included in the conceptual model | Source |
|---|---|
| Individual | |
| Youth: BMI/body composition | |
| Shorr height board | Direct measure, clinic visit |
| Tanita scale | Direct measure, clinic visit |
| Youth: biological | |
| Blood: glucose and lipid metabolism, biomarkers of inflammation, oxidative stress, DNA (optional) | Direct measure, clinic visit |
| Pubertal status | Self-report, survey |
| Blood pressure | Direct measure, clinic visit |
| Youth: behavioral | |
| Diet: 3 24-h recalls | Phone interviews |
| Diet: eating behaviors | Self-report, survey |
| Other behaviors: sleep patterns | Self-report, survey |
| Other behaviors: tobacco, alcohol and other drugs | Self-report, survey |
| Other behaviors: weight control | Self-report, survey |
| Activity: accelerometers | Direct |
| Activity: 3 day physical activity record | Self-report, survey |
| Sedentary behaviors | Self-report, survey |
| Youth: psychosociala | Self-report, survey |
| Adult: BMI/body composition | |
| Shorr height board | Direct measure, clinic visit |
| Tanita scale | Direct measure, clinic visit |
| Adult: behavioral | |
| Diet: diet history questionaire (NCI) | Self-report, survey |
| Diet: eating behaviors | Self-report, survey |
| Other behaviors: sleep patterns | Self-report, survey |
| Other behaviors: weight control | Self-report, survey |
| Activity: international PA questionnaire | Self-report, survey |
| Sedentary behaviors | Self-report, survey |
| Adult: psychosociala | Self-report, survey |
| Home environment | |
| Home: social environment | |
| Social support for diet and activity | Self-report, student survey |
| Family meal time | Self-report, student and parent survey |
| Parent-child interactions around food and activity | Self-report, student and parent survey |
| Home: physical environment | |
| Diet: home food inventory | Self-report, inventory |
| Diet: brief family meal screener | Self-report, screener |
| Activity: physical activity inventory | Self-report, inventory |
| Activity: media inventory | Self-report, inventory |
| School environment | |
| School: social environment | |
| Diet: food policies and practices | Self-report, principal survey |
| Diet: advertising | Self-report, principal survey |
| Diet: perceptions of the school environment | Self-report, student and parent survey |
| Physical activity: policies and practices | Self-report, principal survey |
| Diet and activity: wellness councils | Self-report, principal survey |
| School: physical environment | |
| Diet: a la carte, vending and school store options | Observation by study staff |
| Diet: foods available, a la carte/vending | Self-report, principal survey |
| Activity: facilities available | Self-report, principal survey |
| Neighborhood environment | |
| GIS measures related to diet and activity | Observation, existing data |
| Perceptions of neighborhood activity opportunity | Self-report, student survey |
| Perceptions of neighborhood safety | Self-report, student survey |
| Perceptions of neighborhood cohesion | Self-report, parent survey |
a
Psychosocial measures for student and parents include a large number of constructs from Social Cognitive Theory and Theory of Planned Behavior, and a knowledge quiz on energy balance. For the students, there is also a measure of depression. For parents, there is a set of newly developed questions of perceptions of changes in family life