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. 2014 May 20;10:817–828. doi: 10.2147/NDT.S59293

Table 1.

Means and standard deviations of the variables between sexes

Variable Mean (SD)
P-value F
Male (n=178) Female (n=270)
Depression 15.58 (10.75) 19.58 (13.40) 0.001 11.127
Anxiety 41.60 (9.68) 45.69 (9.42) <0.0001 19.780
Internet addiction 35.65 (11.72) 32.91 (10.58) 0.011 6.588
Smartphone addiction 59.65 (21.08) 74.67 (25.50) <0.0001 42.408
Personality
 Psychoticism 2.94 (2.57) 2.97 (1.49) 0.875 0.025
 Extroversion 10.90 (4.20) 10.49 (3.81) 0.290 1.124
 Neuroticism 12.19 (5.33) 15.53 (4.64) <0.0001 49.527
 Social desirability (Lie) 2.44 (1.31) 2.08 (1.24) 0.003 8.771

Abbreviation: SD, standard deviation.