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Table 4 Adjusted odds ratios for the factors included in final multiple logistic regression analysis of pedestrian injury determinants separately for ADHD subscales in East Azerbaijan, Iran

From: Adult ADHD screening scores and hospitalization due to pedestrian injuries: a case-control study

Model 1: Independent association for D-scale (ADHD Index)
Predictors Odds Ratio Std. Err. z P-value [95% Conf. Interval]
ADHD Index score 1.06 0.03 2.44 0.02 1.01 1.12
Family income
  < 161USD Ref. group      
 161–321 USD 0.55 0.17 −1.98 0.05 0.30 0.99
 321–482 USD 0.30 0.14 −2.58 0.01 0.12 0.75
  > 482 USD 0.36 0.22 −1.64 0.10 0.11 1.22
Self-rated expenditure capacity 0.92 0.04 −2.02 0.04 0.85 1.00
Education level
 Illiterate and elementary (ISCED levels < 2) Ref. group      
 Middle school & high school (ISCED levels 2,3 & 4) 0.45 0.13 −2.79 0.01 0.25 0.79
 Associate degree (ISCED level 5) 0.68 0.30 −0.87 0.38 0.28 1.63
 Bachelor and master degrees (ISCED levels 6 & 7) 0.14 0.08 −3.44 0.00 0.05 0.43
 Mean total daily walking at day (hour) 1.15 0.07 2.24 0.03 1.02 1.30
_cons 3.07 1.57 2.21 0.03 1.13 8.34
Model 2: Independent association for attention deficit index
Predictors Odds Ratio Std. Err. z P-value [95% Conf. Interval]
Attention deficit subscale score 1.08 0.04 2.17 0.03 1.01 1.16
Family income
  < 161USD Ref. group      
 161–321 USD 0.52 0.16 −2.13 0.03 0.29 0.95
 321–482 USD 0.29 0.13 −2.67 0.01 0.12 0.72
  > 482 USD 0.38 0.24 −1.53 0.13 0.11 1.30
Self-rated expenditure capacity 0.92 0.04 −1.96 0.05 0.86 1.00
Education level
 Illiterate and elementary (ISCED levels < 2) Ref. group      
 Middle school & high school (ISCED levels 2,3 & 4) 0.45 0.13 −2.77 0.01 0.26 0.79
 Associate degree (ISCED level 5) 0.65 0.29 −0.96 0.34 0.27 1.57
 Bachelor and master degrees (ISCED levels 6 & 7) 0.14 0.08 −3.49 0.00 0.04 0.42
Mean total daily walking at day (hour) 1.16 0.07 2.41 0.02 1.03 1.31
_cons 3.51 1.74 2.54 0.01 1.33 9.26
Model 3: Independent association for hyperactivity-impulsivity index
Predictors Odds Ratio Std. Err. z P-value [95% Conf. Interval]
Hyperactivity-impulsivity subscale score 1.11 0.04 2.91 0.00 1.03 1.18
Family income
  < 161USD Ref. group      
 161–321 USD 0.53 0.16 −2.05 0.04 0.29 0.97
 321–482 USD 0.28 0.13 −2.73 0.01 0.11 0.70
  > 482 USD 0.31 0.19 −1.88 0.06 0.09 1.05
Self-rated expenditure capacity 0.92 0.04 −1.98 0.05 0.85 1.00
Education level
 Illiterate and elementary (ISCED levels < 2) Ref. group      
 Middle school & high school (ISCED levels 2,3 & 4) 0.46 0.13 −2.71 0.01 0.26 0.81
 Associate degree (ISCED level 5) 0.70 0.32 −0.78 0.44 0.29 1.70
 Bachelor and master degrees (ISCED levels 6 & 7) 0.16 0.09 −3.24 0.00 0.05 0.49
Mean total daily walking at day (hour) 1.15 0.07 2.31 0.02 1.02 1.31
_cons 2.55 1.33 1.79 0.07 0.92 7.11