Obesity and Other Correlates of Physical Activity and Sedentary Behaviors among US High School Students
Table 2
Unweighted frequency and weighted prevalence of physical activity (PA) and sedentary behaviors, body mass index (BMI) categories, and other PA correlates among US high school students.
Category
%
(95% CI)
PA behaviors
Daily PA (DPA) (≥60 min/day, 7 days/wk)
1628
15.1
(13.8, 16.6)
Vigorous PA (VPA) (≥20 min/day, ≥3 days/wk)
7710
69.7
(67.6, 71.7)
Muscle strengthening activity (MSA) (≥3 days/wk)
5669
50.7
(48.3, 53.0)
Sedentary behaviors
Television (TV) (≥3 hrs/day)
3734
28.3
(25.7, 31.0)
Computer/video games (C/VG) (≥3 hrs/day)
2778
23.5
(21.8, 25.2)
BMI category
Obese (≥95th percentile)
1922
19.0
(17.3, 21.0)
Overweight (≥85th to <95th percentile)
1845
17.8
(16.8, 18.9)
Normal weight (≥5th to <85th percentile)
6002
60.7
(58.6, 62.8)
Underweight (<5th percentile)
238
2.5
( 2.0, 3.0)
Behavioral correlates of PA
Daily physical education (PE) classes (5 days/wk)
3833
36.3
(30.4, 42.6)
Sports team participation (≥1 team, past 12 months)
6699
61.0
(58.3, 63.6)
Environmental support for PA (agree/strongly agree)
Sports equipment at home to use for PA
7637
70.7
(68.2, 73.1)
Playgrounds, parks, or gyms close to home
7624
68.4
(65.0, 71.6)
Neighborhood safe for PA by myself
7746
73.5
(70.5, 76.4)
Attitude toward PA (agree/strongly agree)
I enjoy it
9271
82.5
(81.0, 83.8)
I find it fun
8754
78.1
(76.6, 79.6)
It gives me energy
8441
75.6
(74.1, 77.0)
My body feels good
8573
78.2
(76.5, 79.8)
It gives me a strong feeling of success
8589
77.6
(76.4, 78.8)
Adult support for PA (≥1 time/wk)
Encourage you to do PA or play sports?
8223
73.9
(72.6, 75.1)
Do PA or play sports with you?
5436
48.5
(47.5, 49.6)
Provide transportation to PA or sports you do?
7445
67.8
(66.1, 69.5)
Watch you do PA or sports?
6699
61.8
(59.4, 64.0)
BMI: body mass index = weight (kg)/height (m)2 (based on measured height and weight, using age- and sex-specific percentiles from growth charts developed by Centers for Disease Control and Prevention).