Variable | M | SD | Depression | Mobile phone addiction | Poor sleep quality | Peer relationships |
---|---|---|---|---|---|---|
Depression | 5.09 | 4.48 | 1.00 | Â | Â | Â |
Mobile phone addiction | 2.57 | 0.72 | 0.37a | 1.00 | Â | Â |
Poor sleep quality | 4.18 | 2.86 | 0.62a | 0.27a | 1.00 | Â |
Peer relationships | 47.02 | 11.98 | −0.37a | −0.14a | -0.24a | 1.00 |