Table 5.
RI‐CLPM, Standardized Within‐Person Cross‐Lagged Effects (n = 543)
| (T2 →) | SMU intensity | SMU problems | Attention deficit | Impulsivity | Hyperactivity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β | SE | p | β | SE | p | β | SE | p | β | SE | p | β | SE | p | |
| (T1 ↓) | |||||||||||||||
| SMU intensity | .10 | .15 | .506 | .02 | .05 | .758 | .05 | .08 | .508 | .03 | .10 | .739 | .10 | .08 | .221 |
| SMU problems | .31 | .21 | .140 | .79 | .04 | < .001 | .31 | .11 | .004 | .19 | .13 | .150 | .07 | .09 | .409 |
| Attention deficit | −.03 | .18 | .857 | −.04 | .05 | .421 | .42 | .12 | .001 | .05 | .13 | .721 | −.08 | .09 | .391 |
| Impulsivity | −.06 | .18 | .735 | .13 | .08 | .090 | −.08 | .17 | .623 | .07 | .17 | .671 | .03 | .14 | .857 |
| Hyperactivity | .14 | .16 | .380 | −.04 | .04 | .413 | −.06 | .12 | .611 | .19 | .11 | .094 | .53 | .10 | < .001 |
| (T3 →) | SMU intensity | SMU problems | Attention deficit | Impulsivity | Hyperactivity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β | SE | p | β | SE | p | β | SE | p | β | SE | p | β | SE | p | |
| (T2 ↓) | |||||||||||||||
| SMU intensity | .29 | .29 | .311 | −.05 | .06 | .447 | −.13 | .20 | .511 | −.08 | .16 | .602 | −.04 | .19 | .831 |
| SMU problems | .33 | .24 | .163 | .99 | .04 | < .001 | .50 | .21 | .016 | .51 | .14 | < .001 | .28 | .20 | .158 |
| Attention deficit | −.26 | .22 | .248 | −.01 | .05 | .910 | .19 | .24 | .431 | −.19 | .18 | .281 | −.26 | .22 | .241 |
| Impulsivity | .13 | .17 | .450 | −.05 | .04 | .294 | .19 | .15 | .191 | .38 | .14 | .008 | .14 | .16 | .382 |
| Hyperactivity | .08 | .20 | .678 | .00 | .05 | .999 | −.26 | .16 | .112 | .04 | .13 | .763 | .34 | .18 | .054 |
Light grey cells depict results for Hypotheses 1 and 2; Dark grey cells depict results for Hypotheses 3 and 4. All coefficients were STDyx‐standardized. SMU = social media use; RI‐CLPM = random intercept cross‐lagged panel model.