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Table 1 Descriptive Characteristics of Sample

From: Adolescents’ sedentary time, affect, and contextual factors: An ecological momentary assessment study

 

Mean

SD

Percent

Demographics of Participating Adolescents (n = 284)

 Age (years)

12.6

1.9

 

 Male

  

46

Race

 White

  

58

 African American

  

33

 Other

  

9

Household Income

 Less than $29,999

  

10

 $30,000 - 69,999

  

23

 $70,000 - 139,999

  

37

 $140,000 or more

  

24

 Missing/ Refused

  

6

In School (vs. on school holiday)

  

59

BMI Percentile

71.7

29.7

 

BMI classification

 Underweight

  

2

 Normal weight

  

49

 Overweight

  

15

 Obese

  

34

EMA Responses (n = 2546)

 Alone

  

41

 Not Alone

  

59

 Home-indoors

  

88

 Home-outdoors

  

12

 Positive Affect

3.1

1.2

 

Activity Level 30 Minutes Prior to EMA Response

 Sedentary Time, minutes

21.4

6.8

 

 Light Physical Activity, minutes

7.6

5.7

 

 MVPA, minutes

1.0

2.3

 
  1. BMI body mass index, EMA ecological momentary assessment, MVPA moderate-to-vigorous physical activity