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. 2021 Nov 15;93(2):e168–e187. doi: 10.1111/cdev.13712

TABLE 3.

Model estimates 4‐class solution

Class 1: = 350 (24.7%)

Variably high problematic SMU, variably high SMU frequency

Class 2: = 224 (15.8%)

Persistently high problematic SMU, persistently average SMU frequency

Class 3: = 318 (22.4%)

Persistently low problematic SMU, persistently low SMU frequency

Class 4: = 527 (37.1%)

Persistently low problematic SMU, variably high SMU frequency

B SE D. B SE D. B SE D. B SE D.
Problematic SMU
Intercept 0.888*** .084 a 0.680*** .165 a −1.458*** .212 b −0.665*** .131 c
Slope 0.164 .089 a 0.017 .150 a 0.310 .256 a 0.128 .182 a
Quadratic −0.064* .031 a −0.011 .053 a −0.062 .088 a −0.037 .060 a
SMU frequency
Intercept 5.264*** .128 a 3.628*** .269 b 2.249*** .089 c 4.186*** .116 b
Slope 0.592*** .137 ac −0.027 .294 ab 0.077 .106 b 0.711*** .119 c
Quadratic −0.197*** .042 a 0.023 .083 b 0.054 .037 b −0.174*** .036 a

Columns with different letters denote that estimates differed significantly across the respective classes as obtained by z‐scores of the parameter differences.

Abbreviations: B, unstandardized coefficient; D., difference; SE, standard error; SMU, social media use.

*

< .05

**

p < .01

***

p < .001.