Table 2.

Pearson correlation coefficients for all variables.

Variables	1	2	3	4	5	6	7	8	9	10
1. Age	—a	—	—	—	—	—	—	—	—	—
2. Gender	–0.021	—	—	—	—	—	—	—	—	—
3. Race	0.059b	0.065b	—	—	—	—	—	—	—	—
4. Family income	0.026	0.115b	0.160b	—	—	—	—	—	—	—
5. Family structure	0.052b	–0.032d	–0.024	–0.218b	—	—	—	—	—	—
6. School type	0.007	–0.058b	–0.049c	–0.102b	–0.041c	—	—	—	—	—
7. Frequency of checking social media	0.047c	–0.048e	0.038d	0.059b	–0.069b	–0.069b	—	—	—	—
8. Mental well-being	–0.010	0.047c	0.046c	0.114c	–0.036d	–0.004	–0.005	—	—	—
9. Parental supportiveness	0.057b	–0.081b	0.011	–0.069b	0.079b	0.152b	–0.146b	0.228b	—	—
10. Problematic internet use	–0.045c	0.040c	0.083b	0.106b	–0.066b	–0.140b	0.353b	–0.104b	–0.366b	—

^aThe correlation coefficient is not displayed since it is shown in the asymmetrically diagonal position of the table.

^bCorrelations significant at the P=.001 level.

^cCorrelations significant at the P=.01 level.

^dCorrelations significant at the P=.05 level.