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In this study, the Health Promotion Model (HPM) was used as the basis for a structural equation model of male and female blue collar workers' self-reported use of hearing protection devices (HPDs). Overall use did not differ by gender; in addition, self-efficacy and barriers to use of HPDs were the two best predictors of this behavior for both men and women. Despite the similarities in HPD use and the most important predictors of that use between men and women, the predictive models differed by gender in several ways. Significant predictors of use among men also included age and value of use of HPDs. For women, ethnic status and plant site were additional significant predictors of use. Because the influences of plant site and gender on self-reported use of HPDs could not be separated in this study, further research should address worksite culture and assess differences by gender. Knowledge of these differences will aid development of more effective interventions and may increase the use of hearing protection.

The purpose of this study was to compare multiple indicators of behavior and identify the most viable measure of blue-collar workers 'use of hearing protection. Three measures of use were employed: observations, supervisor report, and self-report. Supervisor report was highly discrepant from both self-report and observed use; self-report and observations were highly correlated, and discrepancies between the two were slight. These results suggest that, for this type of measurement, self-report is an appropriate measure and may be the best choice when time and monetary resources restrict measurement to one indicator

Purpose. Laffrey's Health Conception Scale (LHCS), an instrument designed to measure personal definitions of health, was reduced with the intent of creating a useful yet less cumbersome version of the LHCS. Design. The original form of the LHCS was tested in a preliminary study, and results were used as a basis for the reduction of the instrument. The original clinical and new overall wellness subscales were subsequently tested with a larger population of manufacturing plant workers. Setting. One chemical plant and three Midwestern manufacturing plants. Subjects. The sample for the preliminary study comprised 94 chemical plant workers. For the larger study, the sample comprised 892 subjects; because this instrument was part of a larger questionnaire to identify predictors of workers' use of hearing protection, only those workers who spent some part of their work time in areas of the plant which required hearing protection use were eligible to participate. Measures. The original LHCS was used in the preliminary study. The reduced LHCS was used in the larger study and psychometrically evaluated. Results. The reduced LHCS accounted for 51 % of the variance in definition of health; all but one item had loaded on one of the two factors with a loading of .41 or greater. The revised LHCS demonstrated excellent internal consistency. Two distinct factors, the clinical subscale and the overall wellness subscale, were isolated. Conclusions. The researchers recommend the reduced LHCS be used for assessing subjects' definition of health; the reduced instrument requires fewer items, and therefore less time, to measure individuals' definitions of health with excellent reliability.

We designed this study to examine the effects of two types of incentives on the participation rate of workers from two plants in worksite research. There were 186 workers in the study, some of whom received chances for savings bonds. Given reductions in funding and concerns of management, no comparison could be made between the incentives; however, the study provided valuable information regarding planning for incentives in worksite research.