Table 2.
Accelerometer measured activity pattern (minutes per week) by vision status in the NHANES (2003–2006) children and adolescents aged 12–19 years
| Male | Female | |||||
| Unadjusted β (95% CI) | MV-adjusted β (95% CI)* | Marginal mean | Unadjusted β (95% CI) | MV-adjusted β (95% CI)* | Marginal mean | |
| Sedentary time | ||||||
| Normal vision | Ref | Ref | 3354.3 | Ref | Ref | 3541.5 |
| Uncorrected refractive error | −50.9 (−326.4 to 224.5) | −101.7 (−362.5 to 159.2) | 3252.6 | −63.3 (−257.0 to 130.4) | −41.4 (−226.85 to 144.1) | 3500.1 |
| Visual impairment | 697.5 (−326.4 to 1721.3) | 628.5 (−296.6 to 1553.5) | 3982.7 | 141.5 (−424.5 to 707.5) | 181.4 (−347.99 to 710.8) | 3722.9 |
| P trend | 0.578 | 0.815 | 0.844 | 0.960 | ||
| Moderate-to-vigorous physical activity | ||||||
| Normal vision | Ref | Ref | 104.8 | Ref | Ref | 47.7 |
| Uncorrected refractive error | −1.4 (−24.2 to 21.4) | −9.1 (−30.0 to 11.8) | 95.7 | −4.3 (−19.6 to 11.0) | −5.7 (−21.4 to 10.1) | 42.0 |
| Visual impairment | 63.9 (−1.2 to 129.1) | 51.3 (−16.4 to 119.0) | 156.1 | 10.2 (−36.9 to 57.2) | 7.7 (−36.7 to 52.1) | 55.4 |
| P trend | 0.432 | 0.870 | 0.888 | 0.759 | ||
*MV-adjusted models included age (continuous), BMI, race and household income.
BMI, body mass index; MV, multivariate; NHANES, National Health Nutrition and Examinations Survey.