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Titolo:
Graduated driver licensing in Michigan - Early impact on motor vehicle crashes among 16-year-old drivers
Autore:
Shope, JT; Molnar, LJ; Elliott, MB; Waller, PF;
Indirizzi:
Univ Michigan, Transportat Res Inst, Ann Arbor, MI 48109 USA Univ Michigan Ann Arbor MI USA 48109 at Res Inst, Ann Arbor, MI 48109 USA Univ Michigan, Sch Publ Hlth, Ann Arbor, MI 48109 USA Univ Michigan Ann Arbor MI USA 48109 h Publ Hlth, Ann Arbor, MI 48109 USA Univ Penn, Ctr Clin Epidemiol & Biostat, Philadelphia, PA 19104 USA Univ Penn Philadelphia PA USA 19104 & Biostat, Philadelphia, PA 19104 USA
Titolo Testata:
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION
fascicolo: 13, volume: 286, anno: 2001,
pagine: 1593 - 1598
SICI:
0098-7484(20011003)286:13<1593:GDLIM->2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
PASSENGERS; PROGRAM; SYSTEM; RISK;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Shope, JT Univ Michigan, Transportat Res Inst, 2901 Baxter Rd, Ann Arbor, MI 48109 USA Univ Michigan 2901 Baxter Rd Ann Arbor MI USA 48109 MI 48109 USA
Citazione:
J.T. Shope et al., "Graduated driver licensing in Michigan - Early impact on motor vehicle crashes among 16-year-old drivers", J AM MED A, 286(13), 2001, pp. 1593-1598

Abstract

Context Graduated driver licensing (GDL) programs are being adopted in many states to address the high rate of motor vehicle fatalities among teens by requiring teenaged drivers to gain experience and maturity under conditions of relatively low crash risk before gaining full driving privileges. Objective To evaluate the early impact of Michigan's GDL program on traffic crashes among 16-year-old drivers. Design, Setting, and Subjects Analysis of Michigan motor vehicle crash data from 1996 (before GDL program implementation) vs 1998 and 1999 (after GDLprogram implementation) for 16-year-olds, adjusting for trends among persons 25 years or older. Intervention Michigan's GDL program, instituted April 1, 1997, for teens younger than 18 years entering the driver license system, includes 3 licensure levels, each with driving restrictions and requirements to progress to the next level. Requirements include extended, supervised practice in the learning level, 2-phase driver education, and night driving restrictions in the intermediate level. Main Outcome Measures Rates in 1996 vs 1998 and 1999 for all police-reported crashes; for fatal injury, nonfatal injury, and fatal/nonfatal injury combined crashes; for day, evening, and night crashes; for single-vehicle andmultivehicle crashes; and for alcohol-related crashes. Results Overall, the rate of 16-year-old drivers (per 1000 population) involved in crashes declined from 154 in 1996 to 111 in 1999 (relative risk [RR], 0.72; 95% confidence interval [CI], 0.71-0.73). After adjusting for populationwide trends, the overall crash risk for 16-year-olds was significantly reduced in 1999 from 1996 by 25% (adjusted RR, 0.75; 95% CI, 0.74-0.77). There were also significant reductions for nonfatal injury and combined fatal and nonfatal crashes; for day, evening, and night crashes; and for single-vehicle and multivehicle crashes. Fatal crashes declined from 1996 to 1999, but not significantly (RR, 0.74; 95% CI, 0.49-1.14), and alcohol-related crashes continued at a low rate (RR, 1.01; 95% CI, 0.80-1.29). Conclusions Analysis of the first 2 full calendar years following Michigan's GDL program implementation indicates substantial crash reductions among 16-year-olds. Future research is necessary to determine if these reductionsare maintained and if other jurisdictions achieve similar results.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 15:24:05