Promoting Influenza Vaccination to Restaurant Employees

Abstract

PURPOSE: To evaluate an evidence-based workplace approach to increasing adult influenza vaccination levels applied in the restaurant setting DESIGN: We implemented an intervention and conducted a pre/post analysis to determine effect on vaccination. SETTING: Eleven Seattle-area restaurants. SUBJECTS: Restaurants with 25+ employees speaking English or Spanish and over 18 years. INTERVENTION: Restaurants received influenza vaccination promotion materials, assistance arranging on-site vaccination events, and free influenza vaccinations for employees. MEASURES: Pre/post employee surveys of vaccination status with direct observation and employer interviews to evaluate implementation. ANALYSIS: We conducted descriptive analysis of employee survey data and performed qualitative analysis of implementation data. To assess intervention effect, we used a mixed-effects logistic regression model with a restaurant-specific random effect. RESULTS: Vaccination levels increased from 26% to 46% (adjusted odds ratio 2.33, 95% confidence interval 1.69, 3.22), with 428 employees surveyed preintervention, 305 surveyed postintervention, and response rates of 73% and 55%, respectively. The intervention was effective across subgroups, but there were restaurant-level differences. CONCLUSION: An access-based workplace intervention can increase influenza vaccination levels in restaurant employees, but restaurant-level factors may influence success.

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