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Table 1 Characteristics of the sample by injury prevalence (N = 18,382)

From: Associations of serious physical injuries with posttraumatic stress and depressive symptoms: a cross-sectional survey among university students in 26 countries

Variable (# missing cases) Total sample Injury = yes Injury = no χ2 value p value Cramer’s V
N (%) % %
Age group (in years) (#0)       
 18–19 6232 (33.8) 33.3 34.1 5.71 0.058 0.02
 20–21 6861 (37.4) 38.8 36.8    
 22–30 5289 (28.8) 27.9 29.1    
Sex (#53)       
 Female 10,759 (58.7) 50.4 61.4 169.76 < 0.001 0.10
 Male 7570 (41.3) 49.6 38.6    
Wealth status (#56)       
 Low 8491 (46.4) 47.2 46.0 2.00 0.157 0.01
 High 9835 (53.6) 52.8 54.0    
Country income (#0)       
 Low/lower middle 9842 (53.5) 47.9 55.4 77.02 < 0.001 0.07
 Upper middle/high 8540 (46.5) 52.1 44.6    
Social support (#420)       
 Low 6168 (34.3) 38.9 32.9 53.80 < 0.001 0.06
 High 11,794 (65.7) 61.1 67.1    
Heavy alcohol use (#0)       
 No 16,194 (88.1) 84.6 89.3 71.91 < 0.001 0.06
 Yes 2188 (11.9) 15.4 10.7    
PTSD symptoms (#283)       
 No 14,244 (78.7) 74.3 80.2 66.10 < 0.001 0.06
 Yes 3855 (21.3) 25.7 19.8    
Depressive symptoms (#0)       
 No 15,943 (86.7) 83.4 87.8 58.41 < 0.001 0.06
 Yes 2439 (13.3) 16.6 12.2