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Table 3 Multivariable Logistic Regression of violence-related injury on depression and covariates (OR and 95% CIs reported)

From: Elevated depressive symptoms and adolescent injury: examining associations by injury frequency, injury type, and gender

Variables Model 1 95% CI Model 2 95% CI
Higher risk of depression 2.21*** 1.61, 3.03 2.25*** 1.64, 3.10
Lower risk of depression Ref Ref Ref Ref
Grade level     
  10 2.04*** 1.46, 2.85 1.89*** 1.35, 2.64
  11 1.27 0.90, 1.78 1.32 0.93, 1.85
  12 Ref   Ref  
Gender     
  Male 2.53*** 1.89, 3.37 2.40*** 1.80, 3.20
  Female Ref   Ref  
Weekly spending money, $     
  40 or more 1.10 0.82, 1.48 1.16 0.86, 1.56
  Unknown 0.69 0.44, 1.08 0.77 0.49, 1.21
  Below 40 Ref   Ref  
Risk taking behaviours     
  Current smoker 2.20*** 1.54, 3.14 1.95*** 1.35, 2.81
  Nonsmoker Ref   Ref  
  Heavy drinking 1.61** 1.06, 2.44   
  Light drinking 1.36 0.93, 2.00   
  No drink Ref    
  Frequent marijuana use    2.22*** 1.53, 3.23
  Infrequent marijuana use    1.11 0.75, 1.66
  No marijuana    Ref  
  Multiple partners 2.48*** 1.69, 3.65 2.27*** 1.52, 3.37
  Single partner 1.44** 1.01, 2.06 1.38 0.97, 1.97
  Sexually inactive Ref   Ref  
Individual school measures     
  Academic Marks ≥70% 0.83 0.61, 1.14 0.89 0.65, 1.21
  Academic Marks <70% Ref   Ref  
  Absence from school 3 days or more 1.69*** 1.18, 2.42 1.52** 1.05, 2.18
  Absence from school 1 or 2 days 1.63*** 1.17, 2.28 1.54** 1.10, 2.14
  No absence from school Ref   Ref  
  School team sports 0.98 0.74, 1.31 1.03 0.77, 1.38
  No school team sports Ref   Ref  
  1. ***p < 0.01, **p < 0.05.