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Table 4 Multivariable Logistic Regression of transport-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 1.53** 1.10, 2.13 1.50** 1.07, 2.09
Lower risk of depression Ref Ref Ref Ref
Grade level     
  10 1.45** 1.03, 2.04 1.44** 1.02, 2.04
  11 1.16 0.82, 1.62 1.17 0.84, 1.65
  12 Ref   Ref  
Gender     
  Male 3.11*** 2.29, 4.23 3.07*** 2.26, 4.17
  Female Ref   Ref  
Weekly spending money, $     
  40 or more 0.96 0.70, 1.32 0.95 0.69, 1.31
  Unknown 1.04 0.69, 1.58 1.15 0.76, 1.74
  Below 40 Ref   Ref  
Risk taking behaviours     
  Current smoker 1.16 0.79, 1.70 1.20 0.82, 1.77
  Nonsmoker Ref   Ref  
  Heavy drinking 1.14 0.77, 1.70   
  Light drinking 0.86 0.58, 1.27   
  No drink Ref    
  Frequent marijuana use    1.34 0.94, 1.91
  Infrequent marijuana use    1.23 0.84, 1.79
  No marijuana    Ref  
  Multiple partners 2.43*** 1.65, 3.58 2.23*** 1.50, 3.31
  Single partner 1.65*** 1.18, 2.31 1.56*** 1.12, 2.18
  Sexually inactive Ref   Ref  
Individual school measures     
  Academic Marks ≥70% 0.68** 0.50, 0.92 0.71** 0.52, 0.96
  Academic Marks <70% Ref   Ref  
  Absence from school 3 days or more 1.51** 1.06, 2.17 1.60** 1.11, 2.30
  Absence from school 1 or 2 days 0.91 0.64, 1.29 0.94 0.66, 1.34
  No absence from school Ref   Ref  
  School team sports 1.18 0.89, 1.57 1.19 0.89, 1.59
  No school team sports Ref   Ref  
  1. ***p < 0.01, **p < 0.05.