Journal of Studies on Alcohol
The average interval between convictions of driving under the influence decreases from 2 years between first and second convictions to 17, 11 and 8 months, respectively, between the second and third, the third and fourth and the fourth and fifth convictions.
Maisto, S. A.,
Sobell, L. C.,
Zelhart, P. F.,
Connors, G. J.,
(1979). Driving Records of Persons Convicted of Driving under the Influence of Alcohol. Journal of Studies on Alcohol, 40(1), 70-77.
Available at: https://nsuworks.nova.edu/cps_facarticles/67