Sentences with phrase «vary across ethnic groups»

The relations of BMI to both percentage body fat and body fat distribution have been shown to vary across ethnic groups (32 — 34).

Not exact matches

The United States is a melting pot of different racial and ethnic groups, but it has not been clear how the genetic ancestry of these populations varies across different geographic regions.

«Genetic ancestry of different ethnic groups varies across the United States.»

[17][18] States must collect and review district - level data on how rates of identification — overall, by educational setting and disability category — vary across racial and ethnic groups with no adjustments for variables that correlate with need for services.

Achievement gaps are greatly reduced or closed across varying ethnic and socioeconomic groups, and for English language learners.

The association between maternal height and the risk of PTB has been investigated.4 — 10 Some studies showed an inverse association between maternal height and PTB, 4 10 but some studies did not find any significant association.5 — 9 A recent study demonstrated that the association between height and the risk of PTB varied across various ethnic groups in USA.11

The level of «mixing» varies across different ethnic groups.

For example, compared to older mothers, teen mothers display lower levels of verbal stimulation and involvement, higher levels of intrusiveness, and maternal speech that is less varied and complex.47, 48 Mothers with fewer years of education read to their children less frequently25, 49 and demonstrate less sophisticated language and literacy skills themselves, 50 which affects the quantity and quality of their verbal interactions with their children.2 Parental education, in turn, relates to household income: poverty and persistent poverty are strongly associated with less stimulating home environments, 51 and parents living in poverty have children who are at risk for cognitive, academic, and social - emotional difficulties.52, 53 Finally, Hispanic and African American mothers are, on average, less likely to read to their children than White, non-Hispanic mothers; 54 and Spanish - speaking Hispanic families have fewer children's books available in the home as compared to their non-Hispanic counterparts.25 These racial and ethnic findings are likely explained by differences in family resources across groups, as minority status is often associated with various social - demographic risks.

However, the contextual factors influencing parenting practices and deviant peer affiliation appear to vary somewhat across ethnic groups.