Association between Physical Activity and Age among Children with Overweight and Obesity: Evidence from the 2016-2017 National Survey of Children’s Health
Table 2
Associations between BMI, age, and physically active days (2016-2017 NSCH).
Factors
Active days out of 7 daysa
0 day
<4 days
OR (95% CI)b
OR (95% CI)b
BMI groups
percentile
1 (reference)
1 (reference)
percentile
1.37 (1.1, 1.71)
0.0058
1.46 (1.25, 1.7)
<0.0001
≥95th percentile
2.12 (1.71, 2.63)
<0.0001
1.95 (1.62, 2.34)
<0.0001
Age (years)
10
1 (reference)
1 (reference)
11
1.17 (0.69, 1.97)
0.5612
1.12 (0.88, 1.42)
0.3483
12
1.93 (1.24, 2.99)
0.0033
1.23 (0.98, 1.52)
0.069
13
1.58 (1.03, 2.42)
0.0354
1.33 (1.06, 1.68)
0.0134
14
2.6 (1.71, 3.96)
<0.0001
1.18 (0.95, 1.48)
0.1396
15
3.23 (2.13, 4.87)
<0.0001
1.45 (1.17, 1.79)
0.0006
16
3.06 (2.04, 4.6)
<0.0001
1.64 (1.3, 2.07)
<0.0001
17
4.03 (2.71, 6)
<0.0001
1.68 (1.36, 2.08)
<0.0001
BMI: body mass index; NSCH: National Survey of Children’s Health. Values in bold are statistically significant ().aAn active day was defined as the child had participated in physical activity for at least 60 minutes in that day. bSurvey logistic regression results adjusting for sex, race, highest adult education, household poverty status, current health insurance status, and household tobacco use.