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Table 3 Analysis of differences in mental health status of high school students

From: Core self-evaluation, mental health and mobile phone dependence in Chinese high school students: why should we care

  Students in grades 7–9 (n = 832) Students in grades 10–12(n = 805) t P
Obsessive-compulsive symptoms 2.12 ± 0.744 2.12 ± 0.657 −0.097 0.923
Paranoid 1.87 ± 0.828 1.89 ± 0.75 −0.354 0.723
Hostility 1.8 ± 0.872 1.76 ± 0.742 1.187 0.235
Interpersonal sensitivity 1.98 ± 0.839 2.04 ± 0.754 −1.495 0.135
Depression 2.00 ± 0.948 2.02 ± 0.833 −0.664 0.507
Anxiety 2.08 ± 1.025 2.13 ± 0.902 −1.077 0.282
Feeling of learning pressure 2.08 ± 0.925 2.22 ± 0.842 −3.304 0.001**
Maladaptation 1.76 ± 0.696 1.98 ± 0.697 −6.319 0.000**
Mood swings 2.09 ± 0.830 2.22 ± 0.739 −3.361 0.001**
Psychological imbalance 1.62 ± 0.648 1.69 ± 0.622 −2.340 0.019*
  1. *P < 0.05, **P < 0.01