Table 3 Lifestyle factors and their associations with thyroid status
| Â | Hyperthyroidism status | Hypothyroidism status | TPOAb status | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Euthyroidism (%) | Hyperthyroidism (%) | P value | Euthyroidism (%) | Hypothyroidism (%) | P value | TPOAb negative (%) | TPOAb positive (%) | P value | ||
(n = 4798) | (n = 140) |  | (n = 4798) | (n = 206) |  | (n = 4605) | (n = 649) |  | ||
Daily cigarettes (number) | 16.76 ± 9.63 | 21.38 ± 15.24 | P = 0.003 | 16.76 ± 9.63 | 14.64 ± 6.27 | P = 0.208 | 16.87 ± 9.72 | 16.46 ± 10.81 | P = 0.673 | |
Daily staple | (gram) | 345 ± 138 | 343 ± 164 | P = 0.862 | 345 ± 138 | 330 ± 168 | P = 0.130 | 346 ± 138 | 332 ± 153 | P = 0.038 |
Salt intake level | < 6 g/d | 842 (98.1) | 16 (1.9) | P = 0.094 | 842 (96.1) | 34 (3.9) | P = 0.887 | 796 (89.9) | 89 (10.1) | P = 0.621 |
~ 8 g/d | 1281 (97.2) | 37 (2.8) | 1281 (95.7) | 57 (4.3) | 1224 (89.5) | 144 (10.5) |  | |||
~ 10 g/d | 2216 (96.7) | 76 (3.3) | 2216 (96.0) | 92 (4.0) | 2107 (88.8) | 265 (11.2) |  | |||
High school education | no | 834 (96.9) | 15 (3.1) | P = 0.035 | 834 (96.1) | 34 (3.9) | P = 0.774 | 3360 (88.7) | 468 (11.3) | P = 0.011 |
yes | 3853 (98.2) | 123 (1.8) | 3853 (95.9) | 166 (4.1) | 797 (91.6) | 73 (4) | Â | |||
Smoker | no | 3362 (97.3) | 95 (2.7) | P = 0.555 | 3362 (95.1) | 172 (4.9) | P < 0.001 | 3183 (88.0) | 433 (12.0) | P < 0.001 |
| Â | yes | 1396 (96.9) | 44 (3.1) | Â | 1396 (97.6) | 34 (2.4) | Â | 1347 (92.4) | 111 (7.6) | Â |
Alcohol consumption | no | 2925 (96.6) | 103 (3.4) | P = 0.002 | 2925 (95.1) | 150 (4.9) | P < 0.001 | 2777 (87.8) | 387 (12.2) | P < 0.001 |
yes | 1788 (98.1) | 34 (1.9) | 1788 (97.2) | 52 (2.8) | 1705 (91.6) | 156 (8.4) | Â | |||
Exercise | no | 934 (97.5) | 24 (2.5) | P = 0.377 | 934 (94.5) | 54 (5.5) | P = 0.018 | 896 (89.3) | 107 (10.7) | P = 0.755 |
yes | 3468 (97.0) | 109 (3.0) | 3468 (96.2) | 136 (3.8) | 3288 (89.0) | 407 (11.0) | Â | |||
On diet | no | 4436 (97.1) | 131 (2.9) | P = 0.929 | 4436 (96.0) | 186 (4.0) | P = 0.728 | 4226 (89.4) | 527 (10.6) | P = 0.025 |
yes | 280 (97.2) | 8 (2.8) | 280 (95.6) | 13 (4.4) | 254 (85.2) | 44 (14.9) | Â | |||
Sugary beverages | frequently | 281 (98.9) | 3 (1.1) | P = 0.06 | 281 (95.6) | 13 (4.4) | P = 0.707 | 258 (87.8) | 36 (12.2) | P = 0.46 |
seldom | 4272 (97.0) | 131 (3.0) | 4272 (96.0) | 177 (4.0) | 4064 (89.1) | 495 (10.9) | Â | |||
Weight watch | no | 3383 (97.0) | 105 (3.0) | P = 0.193 | 3383 (95.7) | 153 (4.3) | P = 0.047 | 3206 (88.4) | 421 (11.6) | P = 0.005 |
yes | 1155 (97.7) | 27 (2.3) | 1155 (97.0) | 36 (3.0) | 1100 (91.3) | 105 (8.7) | Â | |||
Insomnia | no | 2975 (96.7) | 88 (3.3) | P = 0.018 | 2975 (96.4) | 110 (3.6) | P = 0.408 | 2835 (89.3) | 339 (10.7) | P = 0.966 |
yes | 828 (98.2) | 40 (1.8) | 828 (95.8) | 36 (4.2) | 782 (89.3) | 94 (10.7) | Â | |||
Chronic headache | no | 3161 (96.9) | 101 (3.1) | P = 0.388 | 3161 (94.3) | 186 (5.7) | P = 0.000 | 3009 (89.6) | 349 (10.4) | P = 0.065 |
yes | 986 (99.0) | 26 (1.0) | 986 (96.8) | 33 (3.2) | 931 (87.6) | 132 (12.4) | Â | |||