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Logistic regression* with trend test exploring a dose-response relationship between sensitization to snow-crab (A), shrimp (B), and A. simplex (C) and the total time exposed to snow-crab, shrimp, and fish when working in the seafood processing industry in four exposure groups (0–<0.1 year, 0.1–<1 year, 1–<5 years, ≥5 years). The dashed line shows OR = 1.
