Table 3 Prolonged pandemic sample means, standard deviations, ANCOVA F value probabilities and effect sizes for pediatric symptom checklist (PSC-35) scores based on time cohort
| Â | 2019 | 2020 | ANCOVA F value | Effect size |
|---|---|---|---|---|
M ± SD | M ± SD | p | Eta-squared | |
Youth PSC-35 | ||||
 Total | 25.8 ± .23 | 27.9 ± .26 |  < .001 | .01 |
 Attention | 4.7 ± .05 | 5.2 ± .06 |  < .001 | .01 |
 Internalizing | 4.5 ± .06 | 5.2 ± .07 |  < .001 | .01 |
 Externalizing | 3.1 ± .06 | 3.1 ± .06 | n.s | – |
Caregiver PSC-35 | ||||
 Total | 26.0 ± .20 | 27.0 ± .23 | .003 |  < .01 |
 Attention | 4.3 ± .04 | 4.6 ± .06 |  < .001 | .01 |
 Internalizing | 4.3 ± .04 | 4.8 ± .06 |  < .001 | .01 |
 Externalizing | 4.8 ± .06 | 4.4 ± .07 | .024 |  < .01 |