Table 2 Baseline characteristics of participants.
From: Serum Klotho levels and epilepsy among U.S. adults in the NHANES 2013–2016: a cross-sectional study
Characteristic | Klotho tertiles (pg/mL) | ||||
|---|---|---|---|---|---|
Total, N = 36,578 | Tertile 1, N = 12,079 | Tertile 2, N = 12,438 | Tertile 3, N = 12,061 | P value | |
Age, mean (SD), years | 59 (51.0, 68.0) | 62 (52.0, 69.0) | 59 (51.0, 67.0) | 58 (50.0, 66.0) | < 0.001 |
Sex | 0.300 | ||||
Male | 17,117 (44.9) | 5980 (46.5) | 5965 (45.2) | 5172 (42.97) | |
Female | 19,461 (55.1) | 6099 (53.5) | 6473 (54.8) | 6889 (57.03) | |
Race | < 0.001 | ||||
Mexican American | 4747 (4.9) | 1643 (5.0) | 1603 (4.7) | 1501 (5.1) | |
Non-Hispanic White | 18,009 (77.1) | 6079 (76.8) | 6605 (80.3) | 5325 (73.7) | |
Non-Hispanic Black | 7716 (9.4) | 2509 (9.6) | 2240 (7.3) | 2967 (11.4) | |
Other Hispanic | 3522 (3.5) | 1074 (3.2) | 1049 (2.9) | 1399 (4.5) | |
Other/multiracial | 2584 (5.2) | 774 (5.5) | 941 (4.8) | 869 (5.3) | |
PIR | 0.300 | ||||
Below poverty level | 8335 (13.3) | 2808 (13.5) | 2859 (12.6) | 2668 (13.8) | |
Poverty | 10,284 (20.7) | 3660 (22.8) | 3287 (19.2) | 3337 (20.4) | |
Rich | 8949 (27.3) | 2882 (27.0) | 3067 (28.5) | 3000 (26.2) | |
The richest | 9010 (38.7) | 2729 (36.7) | 3225 (39.7) | 3056 (39.6) | |
Education | 0.6 | ||||
< High school | 10,352 (17.6) | 3591 (18.7) | 3367 (16.0) | 3394 (18.3) | |
High school | 8357 (22.7) | 2823 (23.3) | 2841 (22.5) | 2693 (22.3) | |
Some college or associates | 10,691 (32.4) | 3450 (31.8) | 3686 (33.5) | 3555 (31.7) | |
College or above | 7163 (27.4) | 2203 (26.2) | 2541 (28.1) | 2419 (27.7) | |
Marital status | 0.4 | ||||
Married/living with partner | 22,265 (67.7) | 7426 (68.7) | 7647 (68.1) | 7192 (66.3) | |
Never married | 2927 (6.7) | 939 (5.9) | 891 (6.6) | 1097 (7.8) | |
Widow/divorced/separated | 11,374 (25.5) | 3714 (25.5) | 3889 (25.3) | 3771 (25.8) | |
BMI | 0.043 | ||||
Underweight | 11,011 (30.9) | 67 (0.5) | 110 (1.2) | 104 (1.1) | |
Normal | 6362 (17.7) | 1913 (15.8) | 2178 (17.2) | 2271 (20.3) | |
Obese | 18,924 (50.4) | 6347 (50.4) | 6393 (51.6) | 6184 (49.1) | |
Overweight | 11,011 (30.9) | 3752 (33.4) | 3757 (29.9) | 3502 (29.6) | |
Smoke status | 0.054 | ||||
Never | 16,481 (45.8) | 2723 (20.6) | 2425 (17.8) | 2234 (19.3) | |
Former | 12,715 (35.0) | 4449 (36.7) | 4496 (36.1) | 3770 (32.2) | |
Current | 7382 (19.2) | 4907 (42.7) | 5517 (46.2) | 6057 (48.5) | |
Alcohol drinker | 0.14 | ||||
No | 11,126 (24.2) | 3274 (22.6) | 3719 (24.2) | 4133 (26.0) | |
Yes | 25,419 (75.8) | 8788 (77.4) | 8707 (75.8) | 7924 (74.1) | |
Physical activity | 0.14 | ||||
Inactive | 26,638 (70.1) | 8922 (72.0) | 8857 (68.6) | 8859 (69.9) | |
Active | 9940 (29.9) | 3157 (28.0) | 3581 (31.4) | 3202 (30.1) | |
Epilepsy | 0.003 | ||||
No | 35,100 (95.7) | 11,534 (95.3) | 11,925 (95.6) | 11,641 (96.4) | |
Yes | 1478 (4.3) | 545 (4.7) | 513 (4.4) | 420 (3.6) | |
