Table 1 Demographic and clinical characteristics of TD and non-TD subgroups in NHANES participants (2011–2016).
Characteristic | Overall (n = 3276) | TD (n = 702) | Non-TD (n = 2574) | P [95% CI] * |
|---|---|---|---|---|
Age (%) | 49.3 ± 17.6 | 52.68 ± 17.23 | 48.00 ± 17.55 | < 0.001 (0.26, 0.43) |
20–39 | 1110 (33.88%) | 165 (23.50%) | 945 (36.71%) | |
40–64 | 1393 (42.52%) | 303 (43.16%) | 1090 (42.35%) | |
≥ 65 | 773 (23.60%) | 234 (33.33%) | 539 (20.94%) | |
PIR (%) | 0.860 (− 0.06, 0.11) | |||
≤ 1.30 | 993 (30.13%) | 216 (30.77%) | 777 (30.19%) | |
1.30–3.50 | 1299 (39.65%) | 281 (40.03%) | 1018 (39.55%) | |
> 3.50 | 984 (30.04%) | 205 (29.20%) | 779 (30.26%) | |
Race (%) | 0.091 (0.03, 0.19) | |||
White | 1366 (41.70%) | 317 (45.16%) | 1049 (40.75%) | |
Black | 632 (19.29%) | 139 (19.80%) | 673 (26.15%) | |
Mexican | 441 (13.46%) | 82 (11.68%) | 359 (13.95%) | |
Other | 837 (25.55%) | 164 (23.36%) | 673 (26.15%) | |
Education level (%) | 0.534 (− 0.04, 0.13) | |||
Below high school | 773 (23.60%) | 169 (24.07%) | 604 (23.47%) | |
High school | 765 (23.35%) | 173 (24.64%) | 592 (23.00%) | |
Above high school | 1738 (53.05%) | 360 (51.28%) | 1378 (53.54%) | |
Marital (%) | 0.009 (0.03, 0.20) | |||
Married/living with partner | 2141 (65.35%) | 488 (69.52%) | 1653 (64.22%) | |
Other | 1135 (34.65%) | 214 (30.48%) | 921 (35.78%) | |
Hypertension (%) | < 0.001 (0.25, 0.42) | |||
Yes | 1204 (36.75%) | 348 (49.57%) | 856 (33.26%) | |
No | 2072 (63.25%) | 354 (50.43%) | 1718 (66.74%) | |
Diabetes (%) | < 0.001 (0.31, 0.48) | |||
Yes | 543 (16.58%) | 204 (29.06%) | 339 (13.17%) | |
No | 2733 (83.42%) | 498 (70.94%) | 2235 (86.83%) | |
Seasonal timing of serum sample collection (%) | 0.860 (− 0.08, 0.09) | |||
November 1-April 30 | 1629 (49.73%) | 347 (49.43%) | 1282 (49.81%) | |
May 1-October 31 | 1647 (50.27%) | 355 (50.57%) | 1292 (50.19%) |
