TABLE 2.
Trends for meeting the muscle strengthening exercise guidelines (the Youth Risk Behaviour Surveillance, 2011, 2013, 2015, 2017 and 2019, the United States).
| Trends | Meeting the MSE guidelines | p value | |||
|---|---|---|---|---|---|
| OR | 95% CI | ||||
| Overall | Linear | 0.98 | 0.96 | 0.99 | 0.000 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.917 | |
| Boy | Linear | 0.97 | 0.95 | 0.98 | 0.000 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.997 | |
| Girl | Linear | 0.98 | 0.96 | 0.99 | 0.044 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.867 | |
| 9th | Linear | 0.98 | 0.96 | 1.00 | 0.067 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.665 | |
| 10th | Linear | 0.97 | 0.95 | 0.98 | 0.000 |
| Quadratic | 1.00 | 0.99 | 1.00 | 0.309 | |
| 11th | Linear | 0.98 | 0.96 | 1.01 | 0.130 |
| Quadratic | 1.01 | 1.00 | 1.01 | 0.299 | |
| 12th | Linear | 0.97 | 0.96 | 0.99 | 0.010 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.862 | |
| White | Linear | 0.98 | 0.96 | 0.99 | 0.019 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.980 | |
| Black or African American | Linear | 0.97 | 0.94 | 0.99 | 0.023 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.683 | |
| Hispanic/Latino | Linear | 0.97 | 0.94 | 0.99 | 0.004 |
| Quadratic | 1.00 | 0.99 | 1.01 | 0.877 | |
| All other races | Linear | 0.98 | 0.96 | 1.01 | 0.265 |
| Quadratic | 1.00 | 0.99 | 1.02 | 0.686 | |
MSE, muscle strengthening exercise; OR, odd ratio; CI, confidence interval.