Table 5 Stratification analysis of type and frequency of fish intake during pregnancy on allergic diseases in six-month-old infants by prenatal mercury exposure
From: Infantile allergic diseases: a cohort study prenatal fish intake and mercury exposure context
Fish intake frequency (times/week) | Early pregnancy Mercury | Late pregnancy Mercury | Cord blood mercury | ||||
|---|---|---|---|---|---|---|---|
< 50th percentile (n = 294) | ≥ 50th percentile (n = 296) | < 50th percentile (n = 295) | ≥ 50th percentile(n = 295) | < 50th percentile (n = 294) | ≥ 50th percentile (n = 296) | ||
HR (95% C.I.) | HR (95% C.I.) | HR (95% C.I.) | HR (95% C.I.) | HR (95% C.I.) | HR (95% C.I.) | ||
All type of fish | < 1 | 1.00 (ref.) | 1.00 (ref.) | 1.00 (ref.) | 1.00 (ref.) | 1.00 (ref.) | 1.00 (ref.) |
Total fish | ≥ 1 | 0.86 (0.70,1.82) | 0.93 (0.60,1.42) | 0.82 (0.78,1.94) | 0.95 (0.56,1.45) | 0.75 (0.81,1.95) | 0.83 (0.51,1.34) |
White fish | ≥ 1 | 0.68 (0.32,1.45) | 0.57 (0.30,1.09) | 0.73 (0.33,1.60) | 0.64 (0.34,1.23) | 0.62 (0.55,2.17) | 0.44 (0.21,0.92)* |
Blue fish | ≥ 1 | 0.76 (0.59,2.63) | 0.45 (0.21,0.96) | 0.95 (0.49,2.25) | 1.02 (0.26,1.22) | 0.89 (0.47,2.15) | 0.58 (0.28,1.23) |
Shell fish | ≥ 1 | 0.97 (0.62,3.65) | 0.50 (0.18,1.41) | 0.89 (0.30,2.40) | 1.10 (0.30,1.91) | 0.62 (0.19,2.05) | 0.99 (0.43,2.27) |