| Case/number (%) | Model 1 | Model 2 | Model 3 |
---|---|---|---|---|
Serum FT4 | ||||
 Tertile 1 | 40/699 (5.7) | 1.00 | 1.00 | 1.00 |
 Tertile 2 | 56/701 (8.0) | 1.40 (0.92–2.14) | 1.38 (0.89–2.12) | 1.40 (0.91–2.16) |
 Tertile 3 | 69/703 (9.8) | 1.72 (1.15–2.59) | 1.61 (1.06–2.45) | 1.64 (1.07–2.50) |
 P for trend | 0.0004 | 0.009 | 0.03 | 0.02 |
 Each 1-pmol/l increase in FT4 | 165/2103 (7.9) | 1.12 (1.05–1.21) | 1.10 (1.02–1.18) | 1.10 (1.03–1.18) |
Serum FT3 | ||||
 Tertile 1 | 55/687 (8.0) | 1.00 | 1.00 | 1.00 |
 Tertile 2 | 69/712 (9.7) | 1.29 (0.89–1.87) | 1.35 (0.91–1.99) | 1.36 (0.92–2.00) |
 Tertile 3 | 41/704 (5.8) | 0.79 (0.51–1.21) | 0.84 (0.54–1.30) | 0.83 (0.53–1.30) |
 P for trend | 0.025 | 0.33 | 0.50 | 0.49 |
 Each 1-pmol/l increase in FT3 | 165/2103 (7.9) | 1.17 (0.95–1.44) | 1.14 (0.93–1.40) | 1.13 (0.92–1.39) |
Serum TSH | ||||
 Tertile 1 | 63/700 (9.0) | 1.00 | 1.00 | 1.00 |
 Tertile 2 | 53/700 (7.6) | 0.77 (0.53–1.14) | 0.85 (0.57–1.26) | 0.85 (0.57–1.26) |
 Tertile 3 | 49/703 (7.0) | 0.67 (0.44–0.99) | 0.75 (0.50–1.15) | 0.74 (0.49–1.14) |
 P for trend | 0.35 | 0.046 | 0.18 | 0.17 |
 Each 1-μIU/ml increase in TSH | 165/2103 (7.9) | 0.97 (0.88–1.08) | 1.00 (0.92–1.08) | 1.00 (0.92–1.08) |