Nighttime seat belt use by patrons of 10 taverns in two Canadian cities increased following an intervention consisting of police enforcement and the use of signs and posters. Separate observations of daytime seat belt use noted an increase in one city and maintenance at a high level in the other. (JW)

Safety belt use with and without addition of an incentive strategy was observed among 8,635 drivers at a drive-through restaurant. During the promotional campaign, average rate of belt use tripled compared to baseline following the introduction of a contingent reward (a large soft drink), and declined during followup. (JW)