Accelerometry measured ethnic differences in activity in rural adolescents

Area of Science:

• Pediatric Health
• Physical Activity Research
• Sociodemographics in Health

Background:

• Investigating disparities in physical activity and sedentary behavior between rural African American and Caucasian children.
• Understanding the influence of socioeconomic status (SES) on activity patterns in youth.

Purpose of the Study:

• To compare time spent in physical activity and sedentary behavior between rural African American and Caucasian children.
• To examine the role of SES in these activity differences.

Main Methods:

• Objective measurement of physical activity using accelerometers over 3 weekdays.
• Random selection of participants from a weight gain prevention intervention cohort.
• Analysis of moderate to vigorous physical activity (MVPA), light physical activity (LPA), and sedentary (SED) behavior using established national cutoffs.

Main Results:

• Lower SES African American children exhibited higher counts per minute (CPM) and spent more time in MVPA compared to middle SES African American and lower SES Caucasian children.
• Lower SES African American children spent less time in SED activity compared to middle SES African American children.
• The study sample comprised 76% African American children with an average age of 10.4 years.

Conclusions:

• Findings align with recent studies using objective activity measures, indicating children are less active and more sedentary than national averages.
• Supports the need for targeted physical activity and sedentary behavior interventions in rural minority populations.
• Highlights potential SES-related differences in activity patterns within the African American community.