Table 3.
Group means of top eight predictors in the aggregate sample and by subgroups
| Characteristic | Aggregate | S1 | S2 | S3 | S4 | ANOVA subgroup comparisons | ||
|---|---|---|---|---|---|---|---|---|
| Random Forest top-ranked predictors, M (SD) |
N = 1244 | (n = 249, 20%) | (n = 637, 51%) | (n = 283, 23%) | (n = 75, 6%) | F(3,1240)* | Post hoc | |
| Pre-pandemic School Services, total services [range 0–7] | 2.3 (2) | 1.9 (1.8) | 1.5 (1.5) | 3.4 (1.8) | 5.7 (1.4) | 196.21 | 0.322 | S4 > S3 > S1 > S2 |
|
Pre-pandemic Outside of School Services, total services [range 0–8] |
2 (2) | 1.8 (1.8) | 1.5 (1.6) | 2.4 (1.9) | 6.4 (1.6) | 195.06 | 0.321 | S4 > S3 > S1 > S2 |
| Stringency Index, raw score [range 0–100] | 62.8 (12) | 62.8 (12.3) | 61.5 (11.5) | 66.8 (12.5) | 59 (9.2) | 16.19 | 0.038 | S3 > (S1 = S2 = S4) |
| Lifestyle Stress, raw score [range 2–10] | 5.7 (2.3) | 6.7 (2.3) | 5.3 (2.2) | 5.5 (2.2) | 6.2 (2.4) | 25.95 | 0.059 | S1 = S4 > (S3 = S2) |
| COVID-19 Worries, raw score [range 4–20] | 8.5 (3.6) | 9.9 (4.2) | 8.1 (3.3) | 8.3 (3.2) | 7.9 (4) | 18.03 | 0.042 | S1 > (S3 = S2 = S4) |
| New COVID-19 infections, new cases/day [range 0–8460] | 446.7 (1009.9) | 364.1 (880.4) | 396.6 (989.2) | 723 (1215.5) | 104.4 (199.6) | 11.28 | 0.027 | S3 > (S2 = S1 = S4) |
| Child age, years [range 5–21] | 11 (3.6) | 10.8 (3.6) | 11.6 (3.5) | 10.2 (3.4) | 9.7 (3.1) | 15.84 | 0.037 | S2 > (S1 > S4 = S3) |
Random Forest top-ranked predictors are shown importance in descendent order. Abbreviations: S1, Broad symptom worsening only subgroup; S2, Average symptom/service changes subgroup; S3, Primarily modified services subgroup; S4, Primarily lost services subgroup; *; all tests reached statistical significance at P values < 0.001 after adjusting for FDR-correction); , eta squared effect size