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Table 2 Demographics and use characteristics of behavior disorders

From: Prevalence and co-occurrence of compulsive buying, problematic Internet and mobile phone use in college students in Yantai, China: relevance of self-traits

  CB PIU PMPU
Yes No χ2 Yes No χ2 Yes No χ2
Gender Male 18 264   82 200   25 257  
Female 18 301 0.15 85 234 0.44 29 290 0.01
Family background City 20 220   72 168   24 216  
Rural 16 345 3.90* 95 266 0.98 30 331 0.50
Only child or not Yes 10 200   61 149   23 187  
No 26 365 0.87 106 285 0.26 31 360 1.53
TPD <1 h 2 114   8 39   1 28  
1–2 15 302   20 83   1 84  
2–3 9 121   32 124   9 135  
3–4 6 20   30 72   5 103  
>4 h 4 8 34.3*** 77 116 24.7*** 38 197 26.1***
UH <3y _ _   21 101   3 17  
3–5y _ _   51 112   5 109  
5–10y _ _   74 175   21 251  
>10y _ _ _ 21 46 8.70* 25 170 7.90*
Means Retail store 15 211   _ _   _ _  
Computer 1 16   42 157   _ _  
Mobile phone 20 338 0.27 125 277 6.60* _ _ _
  1. Note: TPD time spent per day, UH use history
  2. *p < 0.05, ***p < 0.001