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. 2019 Apr 30;16(9):1524. doi: 10.3390/ijerph16091524

Table 2.

The association between physical activity, screen time, and sleep quantity and sleep quality, 2005–2006 NHANES (N = 542).

Total Sufficient Sleep @ Classified as Poor Sleep Quality Sleep Quality Index
(2+ Sleep-Related Problems)
Adjusted OR (95% CI) p Value Adjusted OR (95% CI) p Value Adjusted OR (95% CI) p Value
Meet PA recommendation # 0.50 (0.26, 0.94) 0.033 * 0.89 (0.44, 1.80) 0.727 1.10 (0.40, 3.04) 0.848
P values for meeting PA recommendation * sex 0.472 0.459 0.474
Meet screen time recommendation $ 0.75 (0.45, 1.26) 0.256 0.45 (0.22, 0.91) 0.028 * 0.60 (0.18, 2.05) 0.393
P values for meeting screen time recommendation * sex 0.027* 0.793 0.757
Meet both PA and screen time recommendation 0.64 (0.22, 1.86) 0.387 0.57 (0.25, 1.30) 0.163 0.42 (0.06, 3.11) 0.373
p values for meeting both * sex 0.836 0.043* 0.192
Males
Meet PA recommendation # 0.90 (0.42, 1.93) 0.776 0.73 (0.26, 2.07) 0.529 0.81 (0.16, 4.09) 0.784
Meet Screen time recommendation $ 1.03 (0.54, 1.95) 0.933 0.44 (0.19, 1.00) 0.046 * 0.81 (0.12, 5.26) 0.812
Meet both PA and screen time recommendation 0.76 (0.23, 2.52) 0.630 0.27 (0.07, 0.99) 0.048 * 1.15 (0.10, 13.32) 0.903
Females
Meet PA recommendation # 0.25 (0.08, 0.77) 0.019 * 1.19 (0.48, 2.96) 0.692 1.72 (0.55, 5.37) 0.329
Meet screen time recommendation $ 0.48 (0.24, 0.96) 0.038 * 0.44 (0.21, 0.94) 0.036 * 0.53 (0.11, 2.61) 0.412
Meet both PA and screen time recommendation 0.46 (0.08, 2.66) 0.357 1.15 (0.38, 3.49) 0.791 0.10 (0.01, 1.33) 0.078

Note: adjusted all demographic variables including age, race/ethnicity, parent education, family income-to-poverty ratio, body mass index; ORs, 95% CIs, and p-values are from PROC SURVEYLOGISTIC including STRATA, CLUSTER, and WEIGHT statement; * p < 0.05; PA = physical activity; @ sleep quantity ≥8 h; # 60+ min/day physical activity for respondents aged 16–17 and 150+ min/week moderate intensity physical activity or 75+ min/week vigorous intensity physical or an equivalent combination of moderate and vigorous physical activity for respondents aged 18–19; $ screen time recommendation ≤2 h/day.