Table 2.
Baseline demographic characteristics of the study sample (n = 32).
| Mean ± SD | na (%)b | |
|---|---|---|
| Sex | ||
| Female, n | – | 17 (53) |
| Male, n | – | 15 (47) |
| Race/ethnicity | ||
| Non-Hispanic White, n | – | 31 (97) |
| Non-Hispanic Black, n | – | – |
| Hispanic, n | – | – |
| Other/unknown, n | – | 1 (3) |
| Age, years | 15.3 ± 1.6 | – |
| Education | ||
| Middle school (grades 6 – 8) | – | 10 (31) |
| High school (grades 9 – 12) | – | 22 (69) |
| Height, cm | 167.5 ± 9.6 | – |
| Weight, kg | 57.2 ± 10.2 | – |
| BMI, kg/m2 | 20.2 ± 2.1 | – |
| BMI percentile, % | 47.0 ± 25.1 | – |
| PAQ-A3 score | 2.1 ± 0.6 | – |
| EEN3, kcal/day | 2903 ± 715 | – |
SD: standard deviation; BMI: dody mass index percentile (Centers for Disease Control and Prevention, 2015); PAQ-A: Physical Activity Questionnaire for Adolescents(Kowalski et al., 2004), where scores range from 1 to 5 with 5 indicating “high physical activity”; EEN: Estimated energy needs, calculated using IOM age- and sex-specific equations(Food and Nutrition Board and Institute of Medicine, 2005) plus PAQ-A to determine physical activity level.
a
The number of participants, as an absolute value, in the sample that have the specified demographic characteristic.
b
The number of participants, as a percentage, in the sample that have the specified demographic characteristic.