| http://www.w3.org/ns/prov#value | - These covariates consisted of demographic characteristics including the child???s age (0???4 vs 5???12 vs 13???17 years), gender, race (white, black, other) and Hispanic ethnicity, region of residence (Northeast, Midwest, South, West), parental education (no high school diploma, high school diploma, bachelor???s degree, graduate-level degree, or other degree), and household income (poor, <100% of
|
