Table 2 Thyroid profile and caffeine intake in subgroups
From: Relationship between caffeine intake and thyroid function: results from NHANES 2007–2012
Subgroups | p | |||||
|---|---|---|---|---|---|---|
Group 1 | Group 2 | Group 3 | ||||
Thyroid function | ||||||
TSH (mU/L) | 1.63 (1.14, 2.32) | 1.34 (0.94, 1.99) | 1.48 (1.04, 2.16) | < 0.001 | ||
FT3 (pg/mL) | 3.05 (2.82, 3.30) | 3.25 (2.99, 3.50) | 3.20 (3.00, 3.43) | < 0.001 | ||
FT4 (pmol/L) | 10.30 (9.30, 11.60) | 10.30 (9.00, 11.50) | 10.30 (9.20, 11.60) | 0.085 | ||
TPOAb (U/mL) | 0.60 (0.30, 1.50) | 0.60 (0.30, 1.20) | 0.70 (0.40, 1.50) | 0.002 | ||
TgAb (U/mL) | 0.60 (0.60, 0.60) | 0.60 (0.60, 0.60) | 0.60 (0.60, 0.60) | 0.004 | ||
Caffeine intake (mg/d) | 87.5 (10.00, 201.00) | 147.00 (59.00, 323.00) | 85.00 (9.00, 205.00) | < 0.001 | ||