Table 2 Variables, measures and instruments
Survey measure | Data level | Instrument | Measured construct | Time Interval | Setting | |
|---|---|---|---|---|---|---|
Anthropometric measurements | Individual | Weight | Digital scale | Anthropometric measures | 6 months | School, health fair, NSFS office, participants’ homes |
Height | Stadiometer | |||||
Abdominal circumference | Body circumference measuring tape | |||||
Triceps skinfold thickness | Calipers | |||||
Subscapular skinfold thickness | Calipers | |||||
Medical history | Individual Family | Medical History Survey | Family and personal medical history | 1 year | Health fair, NSFS office, participants’ homes, phone-interview | |
Food security | Family | USDA Household Food Security Tool (FS) | Food Security | 6 months | Health fair, NSFS office, participants’ homes | |
Phone-interview | ||||||
Nutrition | Individual | Food Frequency Questionnaire (FFQ) | Child eating patterns and feeding practices | 6 months | Health fair, NSFS office, participants’ homes | |
Phone-interview | ||||||
Acculturation | Family | Brief Acculturation Rating Scale for Mexican Americans (ARSMA) | Acculturation | Baseline | Health fair, NSFS office, participants’ homes | |
Phone-interview | ||||||
Physical activity | Individual | Polar Accelerometer | Physical activity | 1 year | School, health fair, NSFS office, participants’ homes | |
Class | Class Physical Education Reporting Form | Physical activity | Weekly | Elementary and pre-school sites | ||
Household baseline survey | Household | NHANES | Food purchasing patterns | 1 year | Health fair, NSFS office, participants’ homes | |
CPS | Demographic Information | |||||
NLSY | Income | |||||
ECLS-K | Expenditure | |||||
Local level WIC | Assets | |||||