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. 2011 May 6;6(5):e19660. doi: 10.1371/journal.pone.0019660

Table 2. Comparison of non-PIUs and PIUs over family and school related factors.

Variables N of non-addicted (%) N of addicted (%) Total (%) Inline graphic
(n = 10,931) (n = 1,515) (N = 12,446)
Family relations 347.912***
Very supportive 3,704(33.9) 275(18.2) 3,979(32.0)
Supportive 4,508(41.2) 592(39.1) 5,100(41.0)
General 2,126(19.4) 441(29.1) 2,567(20.6)
Conflictive 371(3.4) 113(7.5) 484(3.9)
Very conflictive 139(1.3) 84(5.5) 223(1.8)
Communication with parents 244.224***
Very much 1,623(14.8) 149(9.8) 1,772(14.2)
Much 3,270(29.9) 299(19.7) 3,569(28.7)
Average 4,423(40.5) 638(42.1) 5,061(40.7)
A little 1,388(12.7) 364(24.0) 1,752(14.1)
None 94(0.9) 44(2.9) 138(1.1)
Parental satisfaction 178.204***
Very satisfied 3,533(32.3) 303(20.0) 3,836(30.8)
Satisfied 4,413(40.4) 577(38.1) 4,990(40.1)
General 2,374(21.7) 493(32.5) 2,867(23.0)
Dissatisfied 253(2.3) 76(5.0) 329(2.6)
Very dissatisfied 272(2.5) 55(3.6) 327(2.6)
Financial situation 27.117***
Very good 454(4.2) 44(2.9) 498(4.0)
Good 2,526(23.1) 308(20.3) 2,834(22.8)
General 6,493(59.4) 918(60.6) 7,411(59.5)
Poor 1,163(10.6) 189(12.5) 1,352(10.9)
Very poor 169(1.5) 43(2.8) 212(1.7)
Study-related stress 191.078***
None 735(6.7) 133(8.8) 868(7.0)
A little 1,476(13.5) 139(9.2) 1,615(13.0)
Normal 4,766(43.6) 513(33.9) 5,279(42.4)
Heavy 3,197(29.2) 506(33.4) 3,703(29.8)
Very heavy 649(5.9) 213(14.1) 862(6.9)
Classmate relations 183.010***
Very good 3,637(33.3) 368(24.3) 4,005(32.2)
Good 5,104(46.7) 646(42.6) 5,750(46.2)
General 1,961(17.9) 423(27.9) 2,384(19.2)
Poor 105(1.0) 49(3.2) 154(1.2)
Very Poor 46(0.4) 20(1.3) 66(0.5)
Teacher relations 277.250***
Very good 2,002(18.3) 145(9.6) 2,147(17.3)
Good 4,409(40.3) 481(31.7) 4,890(39.3)
General 4,125(37.7) 743(49.0) 4,868(39.1)
Poor 235(2.1) 88(5.8) 323(2.6)
Very poor 82(0.8) 50(3.3) 132(1.1)

*p<0.05,

**p<0.01,

***p<0.001.

Missing date exist in some categories.