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Table 2 Prevalence of unintentional injuries with reported problematic mobile phone use and psychopathological symptoms in Chinese adolescents in 2012, stratified by school

From: Interactions of problematic mobile phone use and psychopathological symptoms with unintentional injuries: a school-based sample of Chinese adolescents

Variables Road traffic injuries Pedestrian collision Falls
n (%, 95 % CI) χ 2 n (%, 95 % CI) χ 2 n (%, 95 % CI) χ 2
Middle school       
 PMPU       
 Yes 169 (9.3, 8.0–10.7) 174.68** 514 (28.4, 26.3–30.5) 508.89** 361 (19.9, 18.1–21.8) 387.60**
 No 112 (2.2, 1.8–2.6) 388 (7.6, 6.9–8.3) 242 (4.7, 4.2–5.3)
Psychopathological symptoms       
 Yes 82 (8.2, 6.5–9.9) 51.16** 241 (24.1, 21.4–26.7) 125.58** 167 (16.7, 14.4–19.0) 93.24**
 No 199 (3.4, 2.9–3.8) 661 (11.2, 10.4–12.0) 436 (7.4, 6.7–8.0)
High school       
 PMPU       
 Yes 239 (11.7, 10.3–13.1) 184.26** 701 (34.3, 32.3–36.4) 420.87** 446 (21.8, 20.0–23.6) 298.01**
 No 182 (3.5, 3.0–4.0) 699 (13.3, 12.4–14.2) 394 (7.5, 6.8–8.2)
Psychopathological symptoms       
 Yes 187 (9.4, 8.1–10.7) 67.04** 551 (27.7, 25.8–29.7) 129.67** 350 (17.6, 15.9–19.3) 100.59**
 No 234 (4.4, 3.8–4.9) 849 (16.0, 15.0–16.9) 490 (9.2, 8.4–10.0)
  1. **refers to P < 0.001