Table 4.
Results of multiple meta-regression analysis (with all collected potential confounding variables).
| SMD | Coefficients | SE | t | p | τ2 | I2-Residual | Adjusted-R2 | No. |
|---|---|---|---|---|---|---|---|---|
| 1.188 | 89.74% | 16.10% | 207 | |||||
| Mean Age | 0.125 | 0.037 | 3.33 | 0.001 | ||||
| Treatments | ||||||||
| Treat 2 vs. Treat 1 | 0.528 | 0.365 | 1.45 | 0.150 | ||||
| Treat 3 vs. Treat 1 | 0.092 | 0.374 | 0.25 | 0.805 | ||||
| Treat 4 vs. Treat 1 | 1.044 | 0.458 | 2.28 | 0.024 | ||||
| Treat 5 vs. Treat 1 | 0.505 | 0.462 | 1.09 | 0.276 | ||||
| Treat 6 vs. Treat 1 | 0.171 | 0.422 | 0.41 | 0.685 | ||||
| Measurements | ||||||||
| Type 2 vs. Type 1 | 0.283 | 0.370 | 0.76 | 0.446 | ||||
| Type 3 vs. Type 1 | 1.027 | 0.321 | 3.20 | 0.002 | ||||
| Type 4 vs. Type 1 | 1.125 | 0.409 | 2.75 | 0.006 | ||||
| Type 5 vs. Type 1 | −0.318 | 0.514 | −0.62 | 0.536 | ||||
| Year | −0.007 | 0.030 | −0.22 | 0.823 | ||||
| PType 2 vs. PType 1 | −0.681 | 0.383 | −1.78 | 0.077 | ||||
| PType 3 vs. PType 1 | −0.323 | 0.624 | −0.52 | 0.605 | ||||
| StudType 2 vs. StudType 1 | 0.115 | 0.301 | 0.38 | 0.702 | ||||
| StudType 3 vs. StudType 1 | 0.131 | 0.420 | 0.31 | 0.757 | ||||
| StudType 4 vs. StudType 1 | −0.553 | 0.280 | −1.97 | 0.050 |
Treatments: Treat 1: Drugs; Treat 2: CBT (Cognitive Behavioral Therapy); Treat 3: MLC (Multi-level Counseling Program); Treat 4: Drug +CBT or MLC; Treat 5: Others + CBT or MLC; Treat 6: Others; Measurements: Type 1: Anxiety; Type 2: Depression; Type 3: Internet Addiction Scale; Type 4: Online Time Spent (Hours of Internet Use); Type 5: Others; Study Types: StudType 1: Two groups with pre- and post-tests; StudType 2: One group with pre-test and post-test; StudType 3: Two groups post-test only; StudType 4: Using Hedge’s g and se(G) directly; Types of Subjects: PType 1: IA; PType 2: IA + Depression; PType 3: IA + ADHD.