Association between Physical Activity and Age among Children with Overweight and Obesity: Evidence from the 2016-2017 National Survey of Children’s Health
Table 1
Weighted percentages and 95% CI for selected characteristics of children aged 10-17 years (2016-2017 NSCH).
Characteristics
Overall sample
BMI percentile groups
percentile
percentile
≥95th percentile
% (95% CI)a
% (95% CI)a
% (95% CI)a
b
% (95% CI)a
b
c
Age (years)
10-11
23.4 (22.3, 24.6)
21.6 (20.3, 22.9)
25.6 (22.8, 28.5)
0.0003
28.5 (24.9, 32.1)
0.0005
0.2265
12-17
76.6 (75.4, 77.7)
78.4 (77.1, 79.7)
74.4 (71.5, 77.2)
71.5 (67.9, 75.1)
Sex
Male
50.6 (49.3, 51.9)
49 (47.4, 50.5)
49.1 (45.7, 52.5)
<0.0001
58.4 (54.9, 62)
<0.0001
0.0002
Female
49.4 (48.1, 50.7)
51 (49.5, 52.6)
50.9 (47.5, 54.3)
41.6 (38, 45.1)
Race
Hispanic
24.4 (23, 25.8)
21.6 (19.9, 23.3)
28.6 (24.9, 32.3)
<0.0001
31.7 (27.7, 35.7)
<0.0001
0.0260
Non-Hispanic white
52.3 (50.9, 53.6)
56.6 (55.1, 58.2)
45.3 (42.2, 48.5)
41.4 (38.2, 44.6)
Non-Hispanic black
13.9 (12.8, 14.9)
12 (10.9, 13)
15.9 (13, 18.8)
19.5 (16.3, 22.7)
Other/mixed race
9.5 (8.9, 10.1)
9.8 (9.1, 10.6)
10.2 (8.6, 11.8)
7.4 (5.7, 9.1)
Highest education of adult in household
Less than high school
10.1 (8.8, 11.3)
8.1 (6.8, 9.5)
11.9 (8.5, 15.2)
<0.0001
16.1 (12.5, 19.7)
<0.0001
<0.0001
High school or GED
20.4 (19.2, 21.6)
17.9 (16.6, 19.3)
22.7 (19.7, 25.7)
28.1 (24.6, 31.5)
Some college or technical school
23.5 (22.5, 24.6)
22 (20.8, 23.2)
25.9 (23, 28.7)
27.5 (24.2, 30.7)
College degree or higher
46 (44.7, 47.2)
51.9 (50.4, 53.5)
39.6 (36.6, 42.6)
28.3 (25.7, 30.9)
Household poverty status
0-199%
40.3 (38.9, 41.7)
36.3 (34.6, 37.9)
43.1 (39.7, 46.6)
<0.0001
53.5 (49.9, 57.1)
<0.0001
<0.0001
200-299%
15.2 (14.2, 16.1)
14.4 (13.5, 15.4)
17.1 (14.4, 19.9)
16.2 (13.3, 19.1)
300-399%
12.2 (11.4, 13)
12.8 (11.9, 13.7)
11 (8.8, 13.3)
11.1 (9.1, 13.2)
≥400%
32.3 (31.3, 33.4)
36.5 (35.2, 37.8)
28.7 (26.2, 31.3)
19.1 (17.1, 21.2)
Current health insurance status
Insured
93.3 (92.5, 94.2)
93.8 (92.7, 94.9)
92.2 (89.7, 94.7)
0.3972
92.6 (90.5, 94.8)
0.3524
0.7975
Not insured
6.7 (5.8, 7.5)
6.2 (5.1, 7.3)
7.8 (5.3, 10.3)
7.4 (5.2, 9.5)
Household tobacco use
No
84.3 (83.3, 85.2)
85.7 (84.5, 86.8)
83.6 (81.5, 85.7)
<0.0001
79.2 (76.8, 81.6)
<0.0001
0.0215
Yes, not inside the house
12.8 (12, 13.6)
12 (10.9, 13)
13 (11.2, 14.8)
15.9 (13.8, 18)
Yes, inside the house
3 (2.5, 3.4)
2.4 (1.9, 2.8)
3.4 (2.3, 4.5)
4.9 (3.7, 6)
Physically active days out of 7 daysd
0 day
10.9 (10.1, 11.7)
8.9 (8.1, 9.7)
11.5 (9.6, 13.4)
<0.0001
18.2 (15.3, 21)
<0.0001
0.0006
1-3 days
39.6 (38.3, 40.9)
37.4 (35.9, 38.9)
43.8 (40.4, 47.2)
44.4 (40.8, 48)
4-6 days
30 (28.9, 31.2)
32.3 (30.9, 33.7)
28.3 (25.2, 31.3)
22.7 (19.2, 26.1)
Everyday
19.4 (18.3, 20.5)
21.3 (20, 22.7)
16.4 (13.8, 19.1)
14.8 (12, 17.6)
BMI: body mass index; NSCH: National Survey of Children’s Health. Values in bold are statistically significant ().α set at 0.017 for multiple comparisons (Bonferroni correction, ).aWeighted estimates of percentages and 95% CI. bCompared with percentile, using Wald chi-square test. cCompared with percentile, using Wald chi-square test. dAn active day was defined as the child had participated in physical activity for at least 60 minutes in that day.
