Table 1.
Baseline characteristics of participants according to TGAb, TPOAb status in the National Health and Nutrition Examination Survey, 2007 to 2012.
| Characteristics | TGAb (+) | TPOAb (+) | ||||
|---|---|---|---|---|---|---|
| No | Yes | p | No | Yes | p | |
| Participants, No. | 6906 (92.46) | 525 (7.54) | / | 6625 (88.52) | 806 (11.48) | / |
| Age, mean (SD) | 46.42 (0.50) | 52.80 (1.03) | <0.01 | 46.31 (0.50) | 51.46 (0.79) | <0.01 |
| Gender | ||||||
| Male | 3526 (50.11) | 204 (36.61) | <0.01 | 3450 (50.92) | 280 (34.98) | <0.01 |
| Female | 3380 (49.89) | 321 (63.39) | 3175 (49.08) | 526 (65.02) | ||
| Race | ||||||
| Mexican American | 1062 (7.77) | 80 (5.13) | <0.01 | 1013 (7.85) | 129 (5.46) | <0.01 |
| Non-Hispanic White | 3253 (69.77) | 294 (77.41) | 3099 (69.06) | 448 (80.19) | ||
| Non-Hispanic Black | 1412 (10.76) | 53 (4.32) | 1375 (11.00) | 90 (4.63) | ||
| Other | 1179 (11.70) | 98 (13.14) | 1138 (12.08) | 139 (9.72) | ||
| Education status | ||||||
| Under high school | 1937 (17.76) | 143 (14.56) | 0.12 | 1882 (18.17) | 198 (12.45) | 0.01 |
| High school or equivalent | 1615 (22.69) | 103 (19.58) | 1529 (22.39) | 189 (22.96) | ||
| Above high school | 3354 (59.56) | 279 (65.86) | 3214 (59.44) | 419 (64.60) | ||
| Poverty rartio | ||||||
| <=1 | 1498 (15.07) | 93 (12.22) | 0.13 | 1449 (15.29) | 142 (11.48) | 0.01 |
| 1<to<=3 | 2965 (36.72) | 230 (32.12) | 2850 (36.88) | 345 (32.52) | ||
| >3 | 2443 (48.21) | 202 (55.66) | 2326 (47.83) | 319 (56.00) | ||
| Smoking | ||||||
| Never | 3636 (53.71) | 293 (62.89) | <0.01 | 3481 (53.87) | 448 (58.50) | <0.01 |
| Ever | 1747 (24.67) | 147 (24.68) | 1665 (24.28) | 229 (27.64) | ||
| Current | 1523 (21.62) | 85 (12.43) | 1479 (21.84) | 129 (13.86) | ||
| BMI, mean (SD) | 28.68 (0.15) | 28.62 (0.47) | 0.90 | 28.68 (0.16) | 28.60 (0.43) | 0.84 |
| 18.5≤BMI<25 | 118 (1.64) | 8 (2.14) | 0.87 | 111 (1.56) | 15 (2.58) | 0.49 |
| BMI<18.5 | 1915 (30.04) | 156 (30.78) | 1851 (30.11) | 220 (29.91) | ||
| BMI≥25 | 4873 (68.32) | 361 (67.09) | 4663 (68.32) | 571 (67.51) | ||
| Diabetes | ||||||
| No | 6096 (91.48) | 452 (86.06) | 0.01 | 5851 (91.32) | 697 (89.17) | 0.26 |
| Yes | 806 (8.48) | 73 (13.94) | 770 (8.64) | 109 (10.83) | ||
| Missing or unknown | 4 (0.04) | 0 (0) | 4 (0.04) | 0 (0) | ||
| Hypertension | ||||||
| No | 4467 (69.19) | 332 (69.54) | 0.83 | 4306 (69.52) | 493 (66.89) | 0.40 |
| Yes | 2432 (30.75) | 193 (30.46) | 2313 (30.43) | 312 (33.06) | ||
| Missing or unknown | 7 (0.06) | 0 (0) | 6 (0.06) | 1 (0.05) | ||
| Cardiovascular disease | ||||||
| No | 6185 (92.13) | 459 (89.47) | 0.20 | 5938 (92.26) | 706 (89.33) | 0.12 |
| Yes | 721 (7.87) | 66 (8.60) | 541 (7.74) | 72 (10.67) | ||
| Arthritis | ||||||
| No | 4969 (76.11) | 347 (69.73) | 0.04 | 4779 (76.20) | 537 (71.20) | 0.06 |
| Yes | 1925 (23.70) | 176 (29.99) | 1836 (23.65) | 265 (28.22) | ||
| Missing or unknown | 12 (0.19) | 2 (0.29) | 10 (0.15) | 4 (0.58) | ||
| Chronic lung disease | ||||||
| No | 5670 (82.09) | 436 (83.32) | 0.69 | 5441 (81.75) | 665 (85.50) | 0.06 |
| Yes | 1236 (17.91) | 89 (16.68) | 1184 (18.25) | 141 (14.50) | ||
| Cancer | ||||||
| No | 6252 (90.63) | 460 (89.50) | 0.15 | 5995 (90.54) | 717 (90.63) | 0.04 |
| Yes | 648 (9.30) | 63 (10.13) | 625 (9.42) | 86 (8.96) | ||
| Missing or unknown | 6 (0.06) | 2 (0.37) | 5 (0.04) | 3 (0.40) | ||
| TSH | ||||||
| ≤0.34 | 142 (1.67) | 24 (4.45) | <0.01 | 128 (1.54) | 38 (4.49) | <0.01 |
| 0.34<to<5.6 | 6642 (96.70) | 448 (85.39) | 6402 (97.23) | 688 (85.25) | ||
| ≥5.6 | 122 (1.63) | 53 (10.16) | 95 (1.23) | 80 (10.26) | ||
| eGFR, mean (SD) | 95.17 (0.62) | 88.08 (1.24) | <0.01 | 95.27 (0.60) | 89.74 (0.87) | <0.01 |
| ≥60 | 6319 (94.23) | 461(90.95) | 0.01 | 6063 (94.20) | 717 (92.32) | 0.10 |
| <60 | 587 (5.77) | 64 (9.05) | 562 (5.80) | 89 (7.68) | ||
SD, standard deviation; BMI, body mass index; TSH, thyroid stimulating hormone; eGFR, estimated glomerular filtration rate.