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Table 3 Correlation between age and some variables related to mobile use with cell phone addiction and loneliness as well as their dimensions

From: The relationship between addiction to mobile phone and sense of loneliness among students of medical sciences in Kermanshah, Iran

  Duration of mobile usage (year) Number of daily calls Daily call duration (min) Number of daily SMS Age
p ra p r p r p r p r
Withdrawal/tolerance 0.181 0.064 0.351 0.044 < 0.001 0.211 0.025 0.107 0.033 0.102
Life dysfunction 0.296 0.050 0.458 0.035 < 0.001 0.213 0.052 0.093 0.005 0.135
Compulsion/persistence 0.206 0.060 0.773 − 0.014 < 0.001 0.227 0.060 0.090 0.015 0.116
Cell phone addiction (total) 0.193 0.062 0.493 0.033 < 0.001 0.238 0.027 0.105 0.012 0.120
Dimensions of loneliness
 Social 0.757 0.015 0.787 − 0.013 0.047 0.097 0.832 0.010 0.159 0.067
 Family 0.121 0.074 0.404 0.040 0.124 0.073 0.046 0.095 0.618 0.024
 Romantic 0.862 0.008 0.302 0.049 0.052 − 0.093 0.927 − 0.004 0.799 − 0.012
Loneliness (total) 0.151 0.068 0.264 0.053 0.208 0.060 0.111 0.076 0.275 0.052
  1. SMS short message system
  2. aBased on Spearman correlation coefficient test