Table 2 Clinical characteristics of the patients according to the relative grip strength before PSM
From: Association between grip strength and stress urinary incontinence of NHANES 2011–2014
Characteristic | Relative grip strength | P value | |||
|---|---|---|---|---|---|
Q1 | Q2 | Q3 | Q4 | ||
Total patients | 1065 | 1066 | 1066 | 1066 | |
Age, y | < 0.001 | ||||
Mean, SD | 58.8, 16.6 | 51.7, 16.8 | 45.7, 16.3 | 39.4, 14.0 | < 0.001 |
< 40 | 157 (14.7) | 293 (27.5) | 430 (40.3) | 585 (54.9) | |
≥ 40 | 908 (85.3) | 773 (72.5) | 636 (59.7) | 481 (45.1) | |
Race | < 0.001 | ||||
Non-Hispanic white | 497 (46.7) | 417 (39.1) | 426 (40.0) | 482 (45.2) | |
Non-Hispanic black | 235 (22.1) | 242 (22.7) | 272 (25.5) | 226 (21.2) | |
Mexican American | 145 (13.6) | 152 (14.3) | 106 (9.9) | 65 (6.1) | |
Other Hispanic | 123 (11.5) | 125 (11.7) | 102 (9.6) | 69 (6.5) | |
Other | 65 (6.1) | 130 (12.2) | 160 (15.0) | 224 (21.0) | |
Marital status | 0.001 | ||||
Married | 435 (40.8) | 512 (48.0) | 491 (46.1) | 523 (49.1) | |
Unmarried | 630 (59.2) | 554 (52.0) | 575 (53.9) | 543 (50.9) | |
Education | < 0.001 | ||||
Less than high school | 294 (27.6) | 235 (22.0) | 177 (16.6) | 108 (10.1) | |
High school or equivalent | 277 (26.0) | 234 (22.0) | 187 (17.5) | 174 (16.3) | |
College or above | 494 (46.4) | 597 (56.0) | 702 (65.9) | 784 (73.5) | |
Body mass index, kg/m2 | < 0.001 | ||||
Mean, SD | 36.49, 8.66 | 31.12, 5.81 | 27.36, 4.67 | 23.36, 3.64 | < 0.001 |
Normal (< 25,0) | 65 (6.1) | 148 (13.9) | 353 (33.1) | 755 (70.8) | |
Overweight (250–29.9) | 168 (15.8) | 323 (30.3) | 431 (40.4) | 255 (23.9) | |
Obese (≥ 30.0) | 832 (78.1) | 595 (55.8) | 282 (26.5) | 56 (5.3) | |
Hypertension | < 0.001 | ||||
No | 659 (61.9) | 434 (40.7) | 317 (29.7) | 171 (16.0) | |
Yes | 406 (38.1) | 632 (59.3) | 749 (70.3) | 895 (84.0) | |
Diabetes mellitus | < 0.001 | ||||
Yes | 271 (25.4) | 142 (13.3) | 73 (6.8) | 24 (2.3) | |
No | 746 (70.0) | 889 (83.4) | 970 (91.0) | 1033 (96.9) | |
Borderline | 48 (4.5) | 35 (3.3) | 23 (2.2) | 9 (0.8) | |
Smoking status | < 0.001 | ||||
Never | 661 (62.1) | 695 (65.2) | 710 (66.6) | 706 (66.2) | |
Former | 257 (24.1) | 208 (19.5) | 160 (15.0) | 156 (14.6) | |
Current | 147 (13.8) | 163 (15.3) | 196 (18.4) | 204 (19.1) | |
Physical activity status | |||||
Vigorous | < 0.001 | ||||
Yes | 71 (6.7) | 147 (13.8) | 222 (20.8) | 351 (32.9) | |
No | 994 (93.3) | 919 (86.2) | 844 (79.2) | 715 (67.1) | |
Moderate | < 0.001 | ||||
Yes | 337 (31.6) | 462 (43.3) | 502 (47.1) | 541 (50.8) | |
No | 728 (68.4) | 604 (56.7) | 564 (52.9) | 525 (49.2) | |
SUI | < 0.001 | ||||
No SUI | 602 (56.5) | 743 (69.7) | 828 (77.7) | 912 (85.6) | |
SUI | 463 (43.5) | 323 (30.3) | 238 (22.3) | 154 (14.4) | |
Monthly SUI | 303 (28.5) | 235 (22.0) | 195 (18.3) | 137 (12.9) | |
Weekly SUI | 160 (15.0) | 88 (8.3) | 43 (4.0) | 17 (1.6) | |
Blood urea nitrogen (mmol/L) | 14.72, 7.80 | 12.51, 5.31 | 11.36, 4.78 | 11.07, 3.85 | < 0.001 |
Creatinine (mg/dL) | 0.90, 0.72 | 0.77, 0.28 | 0.75, 0.25 | 0.76, 0.22 | < 0.001 |
Uric acid (mg/dL) | 5.52, 1.51 | 5.04, 1.24 | 4.67, 1.11 | 4.33, 1.01 | < 0.001 |