An epidemiologist in Mumbai analyzes data from a cohort study of 5000 factory workers exposed to asbestos dust. Over 10 years of follow-up, 120 exposed workers and 20 unexposed workers developed lung cancer. The relative risk is calculated as 2.5 (95% CI: 1.6–3.9). The researcher also calculates the odds ratio from the same cohort data and obtains OR = 2.3. Before submitting the findings to the occupational health board, what is the most appropriate next step?