Table 1 Baseline characteristics of a community-based Chinese population with or without thyroid nodules
From: Association of thyroid nodules with adiposity: a community-based cross-sectional study in China
Characteristic | Total (n = 1482) | No nodules (n = 1295) | Nodules (n = 187) | P |
|---|---|---|---|---|
Male | 682 (46.0) | 605 (46.7) | 77 (41.2) | 0.155 |
Age (years) | 44.5 ± 15.4 | 43.0 ± 14.8 | 54.6 ± 15.3 | < 0.001 |
BMI (kg/m2) | 23.52 ± 3.33 | 23.44 ± 3.35 | 24.10 ± 3.18 | 0.011 |
WC (cm) | 79.68 ± 9.56 | 79.29 ± 9.53 | 82.38 ± 9.36 | < 0.001 |
SBP (mmHg) | 123.22 ± 16.83 | 122.38 ± 16.43 | 129.06 ± 18.38 | < 0.001 |
DBP (mmHg) | 78.42 ± 10.74 | 78.11 ± 10.70 | 80.55 ± 10.76 | 0.004 |
UIC (μg/L) | 240.6 (163.6–336.5) | 243.0 (165.2–338.1) | 222.0 (151.6–328.6) | 0.193 |
TSH (mIU/L) | 2.48 (1.67–3.46) | 2.52 (1.71–3.45) | 2.17 (1.44–3.59) | 0.030 |
Education |  |  |  | < 0.001 |
 Primary school or illiterate | 132 (8.9) | 106 (8.2) | 26 (13.9) |  |
 Junior high school | 399 (26.9) | 334 (25.8) | 65 (34.8) |  |
 Senior high school | 697 (47.0) | 627 (48.4) | 70 (37.4) |  |
 Undergraduate or above | 254 (17.1) | 228 (17.6) | 26 (13.9) |  |
Profession |  |  |  | < 0.001 |
 Employed | 1045 (70.5) | 947 (73.1) | 98 (52.4) |  |
 Unemployed | 354 (23.9) | 271 (20.9) | 83 (44.4) |  |
 Not reported | 83 (5.6) | 77 (5.9) | 6 (3.2) |  |
Smoking status | Â | Â | Â | 0.187 |
 Never | 1084 (73.1) | 937 (72.4) | 147 (78.6) |  |
 Currently | 386 (26.0) | 347 (26.8) | 39 (20.9) |  |
 Formerly | 12 (0.8) | 11 (0.8) | 1 (0.5) |  |
Family history of thyroid disease | 43 (2.9) | 35 (2.7) | 8 (4.3) | 0.241 |
Iodized salt | 1450 (97.8) | 1266 (97.8) | 184 (98.4) | 0.789 |
Seafood intake | Â | Â | Â | 0.851 |
 Never | 83 (5.6) | 73 (5.6) | 10 (5.3) |  |
 Occasionally | 1166 (78.7) | 1021 (78.8) | 145 (77.5) |  |
 Frequently | 233 (15.7) | 201 (15.5) | 32 (17.1) |  |
TPOAb positive | 139 (9.4) | 122 (9.4) | 17 (9.1) | 0.885 |
TgAb positive | 163 (11.9) | 141 (10.9) | 22 (11.8) | 0.720 |
BMI ≥24 kg/m2 | 621 (41.9) | 524 (40.5) | 97 (51.9) | 0.003 |
Central obesity | 395 (26.7) | 314 (24.2) | 81 (43.3) | < 0.001 |