Table III.
Descriptive Statistics
| Domain | Wave 1 |
Wave 2 |
p value | Effect size | ||
|---|---|---|---|---|---|---|
| Mean (SD) | Minimum–maximum | Mean (SD) | Minimum–maximum | |||
| Higher scores, better well-being | ||||||
| Global Health | 47.4 (10.0) | 11.4–61.7 | 50.0 (9.0) | 15.4–61.9 | <.001 | 0.27 |
| Social Relationshipsb | 50.1 (10.2) | 13.7–63.3 | 49.9 (8.0) | 22.6–63.3 | .14 | −0.02 |
| Physical Activity | 52.2 (9.7) | 30.7–79.6 | 50.0 (8.9) | 30.9–78.3 | <.001 | −0.23 |
| Engagement—Curiosity | 50.0 (10.2) | 16.3–64.7 | 50.0 (9.2) | 16.3–64.7 | .91 | 0.01 |
| Engagement—Persistence | 53.2 (11.0) | 15.1–70.8 | 50.0 (9.1) | 15.1–70.8 | <.001 | −0.32 |
| Positive Affectb | 50.0 (10.3) | 12.5–63.6 | 50.0 (9.2) | 12.8–63.4 | .87 | −0.01 |
| Self-Regulation—Flexibility | 51.4 (11.5) | 17.7–71.7 | 50.0 (9.2) | 17.7–71.7 | .01 | −0.14 |
| Self-Regulation—Frustration Tolerance | 52.6 (11.8) | 18.0–75.9 | 50.0 (9.2) | 18.0–75.9 | <.001 | −0.25 |
| Higher score, worse symptom | ||||||
| Sleep Problems | 56.5 (10.2) | 31.2–88.0 | 49.9 (9.4) | 30.1–87.7 | <.001 | −0.68 |
| Anger/Irritabilityb | 49.6 (10.6) | 30.0–83.3 | 50.0 (9.4) | 30.0–85.9 | .49 | 0.03 |
| Anxietyb | 51.6 (10.4) | 39.6–87.9 | 49.9 (8.9) | 39.6–87.9 | <.001 | −0.18 |
| Depressive Symptomsb | 52.9 (9.9) | 41.0–86.6 | 50.0 (8.7) | 41.0–87.4 | <.001 | −0.31 |
Note. SD = standard deviation.
a
Means comparison between wave 1 and wave 2 (reference). Scores were centered on the wave 2 sample.
b
The SF scores were used when selected items were administered in wave 2 testing.
c
Cohen’s d (absolute value). Small: 0.2 (inclusive)–0.5; moderate: 0.5 (inclusive)–0.8; large: ≥0.8.