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Table 4 Distracted driving score and subscore reliability and correlation to reported crashes (N = 228)

From: Texting while driving: the development and validation of the distracted driving survey and risk score among young adults

 

Cronbach’s Alpha (standardized)

Spearman correlation coefficient (test-retest)*

Correlation to crash rate: odds ratio per point increase

Correlation to crash rate: 95 % confidence interval

Correlation to crash rate: p values

DDS

0.93

0.82

1.07

1.03–1.12

p = 0.0005

DDS-reading

0.85

0.82

1.13

1.05–1.21

p = 0.001

DDS-writing

0.86

0.63

1.17

1.06–1.29

p = 0.0015

  1. * Boston cohort only (N=56)
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Injury Epidemiology

ISSN: 2197-1714