Table 1.
Descriptive features of the study population
| Characteristic | Controls (n=172) | NG (n=173) | t/χ2 | P |
|---|---|---|---|---|
| Sex, n (%) | - | |||
| Male | 71 (41.28) | 69 (39.88) | ||
| Female | 101 (58.72) | 104 (60.12) | ||
| Age (years), n (%) | - | |||
| ≤ 40 | 85 (49.42) | 86 (49.71) | ||
| 41-60 | 61 (35.47) | 50 (28.90) | ||
| ≥ 61 | 26 (15.11) | 37 (21.39) | ||
| BMI (kg/m2, Mean ± SD) | 28.39 ± 3.95 | 27.23 ± 2.78 | 0.240 | 0.006 |
| Seafood, n (%) | 0.908 | 0.386 | ||
| More than once a week | 24 (13.96) | 21 (12.21) | ||
| Once or twice a week | 132 (76.74) | 133 (77.33) | ||
| More than twice a week | 16 (9.30) | 18 (10.47) | ||
| Smoking, n (%) | 26 (15.17) | 35 (20.23) | 0.855 | 0.184 |
| Drinking, n (%) | 67 (38.95) | 98 (56.65) | 0.942 | 0.007 |
BMI: Body mass index; NG: nodular goiter. P-values were obtained using χ2 tests for categorical variables. Wilcoxon test was used for continuous variables.