From: Trends and characteristics of oral and maxillofacial injuries in Nigeria: a review of the literature
 | IBADAN (South-west, Nigeria) | |||
---|---|---|---|---|
Types of automobile involved | Study period | |||
 | 1965–1975 | 1978–1982 | 1982–1984 | 1995–1999 |
Motor vehicles | 46.3% | 84.9% | 80% | 63.4% |
Motorcycles | 7.8% | 10.6% | # | 20.6%* |
 | ENUGU (South-east, Nigeria) | |||
 | Study period | |||
 | 1985–1990 | 1991–1995 | ||
Motor vehicles | 59% | 59% | ||
Motorcycles | 16% | 25% |