|
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
|
- SMS short message system
- aBased on Spearman correlation coefficient test