Estimating population-based injury prevention practices.

This study piloted a survey suitable to generate statewide prevalence estimates for injury prevention practices and/or behaviours. A number of prevalence estimates of injury prevention practices and/or behaviours were generated in the pilot. For example, the prevalence of a household smoke alarm was high (732/1000 households) and yet only 44% of households had tested the functionality of the alarm in the 12 months preceding the survey. Findings of this kind point to an increasing need for primary care practitioners to play a leading role in targeting preventive strategies for injury. In addition, the survey methods and approach highlight the value of such information to health departments and non-government agencies in terms of targeting priority injury risk behaviours and the evaluation of injury-related intervention programmes. The survey has been designed so the methods can be applied nationally and internationally.

Estimating crashes involving heavy vehicles in Western Australia, 1999-2000: a capture-recapture method.

A two-sample exploratory study of police and hospital records was undertaken to estimate the number of fatalities and serious injuries for heavy vehicle drivers involved in a crash in Western Australia. The capture-recapture method was used to assess differences and similarities in characteristics of heavy vehicle drivers from both sources. Each heavy vehicle driver involved in a crash from the police report was matched against the heavy vehicle driver's hospitalisation record from the Hospital Morbidity Data System, with surname, initials, date of birth, gender, date of crash, road user type and vehicle type as matching fields. The estimated number of fatalities and serious injuries to heavy vehicle drivers from 1st July 1999 to 31st December 2000 was 5 and 59, respectively, which was 25 and 31% higher based on the capture-recapture methodology than the aggregated (non-overlapping) total officially reported to the police and hospitals. No significant age difference (p>0.05) was found for drivers involved in a heavy vehicle crash between the two sources (37 years versus 40 year of age). However, female heavy vehicle drivers were over-represented in the hospital records (11%) compared to the police records (1%). The capture-recapture approach is useful for evaluating the completeness of data sources and identifying biases within datasets. The underestimation of heavy vehicle drivers seriously injured and killed has important implications for heavy vehicle safety management and resource allocation in Western Australia.

Health conditions of heavy vehicle drivers involved in a crash in Western Australia: a retrospective study using linked data.

ISSUE ADDRESSED: This retrospective study investigated the health conditions of a cohort of heavy vehicle drivers involved in a crash in Western Australia. METHODS: Hospital separation records of heavy vehicle drivers admitted to hospital as a result of a road crash between 1 January 1988 and 31 December 2000 in Western Australia were analysed. Heavy vehicle drivers involved in a crash were first identified using the Western Australian Road Injury Database before linking to their hospital records. All hospital admissions for each driver admitted to hospital for a crash at least once during the study period were subsequently retrieved from the Health Services Linked Database. RESULTS: There were 146 heavy vehicle drivers in the cohort. A total of 964 distinct in-patient episodes (the collection of all hospital admissions for a single event) were recorded for these drivers, with a minimum of one and a maximum of 84 hospital in-patient episodes per driver. The mean number of in-patient episodes for each driver was seven (SD=8.44), including an in-patient episode for a heavy vehicle crash. CONCLUSION: The evidence presented for the cohort of heavy vehicle drivers hospitalised as a result of road crash confirms that these drivers are characterised with health conditions such as musculoskeletal problems and digestive disorders.

The accuracy of coin-operated breath analysers installed in licensed premises in the Perth metropolitan area.

OBJECTIVE: To examine the accuracy of coin-operated breath analysers installed in licensed premises in the Perth metropolitan area. METHOD: Two hundred licensed premises were contacted, which resulted in the location of 36 wall-mounted, coin-operated breath analysers. One instrument was removed prior to testing. These premises were then visited and the accuracy of the instruments was tested in situ using National Association of Testing Authorities Australia (NATA) certified 0.080% and 0.100% ethanol in nitrogen gas. RESULTS: The instruments were installed in the licensed premises as follows: 15 in the lounge bar, 10 in the main entrance, six in the public bar, two in the passageway to the toilets, and one in the male toilets. One licensed premise provided a handheld breath instrument. All instruments were accompanied by warning and operating instructions, but only five had any educational material. Only seven of the licensed premises had staff who had received any training in the operation of the wall-mounted instruments. Half of the licensees were unaware of the servicing requirements of the instruments. The testing found that only nine (25%) of the instruments provided acceptable results. CONCLUSION: The low level of accuracy of coin-operated breath analysers in the Perth metropolitan area is alarming and users should be informed of the potential inaccuracies. This paper, however, does not rule out that some wall-mounted breath analysing instruments may provide accurate results when properly maintained.