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The Sentinel Event Notification System for Occupational Risks (SENSOR) is a state/federal system for the surveillance and intervention of occupational conditions. The Ohio SENSOR program identifies silicosis cases from a number of data sources, although hospital discharge records have largely been considered the most successful means of carrying out SENSOR objectives. However, the cost-effectiveness of hospital discharge records has not been evaluated. Thus, a cost analysis was conducted to compare the effectiveness of hospital discharge records with other data sources for achieving prevention-related endpoints of silicosis surveillance.Total costs of reaching three endpoints (obtaining case names, identifying work sites, and identifying silica problems in work sites) were estimated retrospectively and measured in 1996 dollars for four data sources: hospital discharge records, physician reports, workers' compensation claims, and death certificates. Total costs were then divided by output for each source/endpoint combination to produce estimates of average costs.The average cost per case was $30 for hospital records, $212 for physician reports, $19 for workers' compensation claims, and $7 for death certificates. However, for identifying problem work sites, hospital records were most expensive at $2,883 per work site, compared with $2,558 for physician reports, $1,318 for workers' compensation claims, and $1,310 for death certificates.Hospital discharge records were least cost-effective for accomplishing prevention-related goals of surveillance. A change in the mix of resources applied to silicosis surveillance and intervention under SENSOR, i.e., a shift away from follow-up of hospital records toward more cost-effective methods for identifying work sites with silica problems may result in more efficient use of public health resources devoted to the prevention of silicosis. |
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