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Table 3 Associations between joint physical-activity/screen-time trajectories and health-related quality-of-life outcomes (PedsQL)

From: Joint physical-activity/screen-time trajectories during early childhood: socio-demographic predictors and consequences on health-related quality-of-life and socio-emotional outcomes

  PedsQL - total score PedsQL- physical health PedsQL- social health PedsQL- emotional health
β 95% CI ES p β 95% CI ES p β 95% CI ES p β 95% CI ES p
B-cohort (0–5 years)
Joint trajectories (Reference: Increasing activity-low screen)
Low activity-low screen −0.96 −1.92 – − 0.01 − 0.10 .047 −1.60 −2.63 – − 0.56 − 0.15 .002 − 0.67 −2.08 – 0.73 − 0.05 .349 − 0.61 −1.97 – 0.76 − 0.04 .385
Low activity-increasing screen −1.44 −2.54 – − 0.34 − 0.15 .010 −2.00 −3.20 – − 0.81 − 0.19 .001 − 0.60 − 2.22 – 1.03 − 0.04 .473 −1.22 − 2.80 – 0.36 −0.09 .131
Cases 2215 2216 2207 2214
R2 / adjusted R2 .060 / .056 .041/ .056 .039 / .034 .067/ .063
K K-cohort (4–9 years)
Joint trajectories (Reference: Increasing activity-low screen)
Low activity-low screen −1.40 −2.55 – −0.25 −0.12 .017 −1.50 −2.84 – − 0.15 −0.11 .029 − 1.95 −3.64 – − 0.25 −0.12 .024 −0.84 −2.39 – 0.71 − 0.05 .288
Low activity-increasing screen −2.29 −3.61 – −0.97 − 0.20 .001 − 3.19a −4.73 – − 1.66 −0.24 .001 −2.19 −4.13 – − 0.25 −0.13 .027 −0.58 −2.35 – 1.20 − 0.04 .523
Cases 2062 2062 2062 2062
R2 / adjusted R2 0.101 / 0.096 0.061 / 0.055 0.065 / 0.060 0.087 / 0.083
  1. LSAC data, Waves 1–3. PedsQL Paediatric Quality of Life Inventory. Unstandardized coefficients from ordinary least square regression models. All models control for child’s gender (male/female), age (in months), Indigenous background (yes/no), birth weight at or below 2.5 kg. (yes/no), and area-level socio-economic background (measured by the Socio-Economic Index for Areas), main caregiver’s mental health (measured by the Kessler 6 scale), main language spoken at home (English/other), weekly parental income (adjusted to 2008 prices using the Consumer Price Index), and whether the study child had siblings (yes/no) and two biological parents (yes/no) in the household. a indicates statistically significantly different from coefficient on low activity-low screen (p < 0.05) in a Wald test. ES Effect size, calculated as β × (SDx/SDy)
  2. Bold data is statistically significant