Table 1 Basic characteristics of the study population.
Characteristic | Overall N = 5938 (100%) | Non-nocturia N = 3707 (70%) | Nocturia N = 2231 (30%) | P-value |
|---|---|---|---|---|
Age (years) | 57 (11) | 55 (10) | 61 (12) | < 0.001 |
Age groups | ||||
< 60 | 2968 (63%) | 2108 (69%) | 860 (49%) | < 0.001 |
60–79 | 2481 (32%) | 1385 (28%) | 1096 (42%) | |
≥ 80 | 489 (5.4%) | 214 (3.6%) | 275 (9.7%) | |
Sex | ||||
Female | 3077 (53%) | 1911 (52%) | 1166 (54%) | 0.231 |
Male | 2861 (47%) | 1796 (48%) | 1065 (46%) | |
Race | ||||
Mexican American | 988 (6.0%) | 576 (5.4%) | 412 (7.5%) | < 0.001 |
Other Hispanic | 635 (3.8%) | 393 (3.6%) | 242 (4.3%) | |
Non-Hispanic White | 3026 (75%) | 2021 (78%) | 1005 (69%) | |
Non-Hispanic Black | 1084 (9.7%) | 577 (7.7%) | 507 (14%) | |
Other/multiracial | 205 (4.9%) | 140 (5.2%) | 65 (4.4%) | |
BMI (kg/m2) | 29 (6) | 29 (6) | 30 (7) | < 0.001 |
BMI groups | ||||
<= 24.9 | 1397 (26%) | 909 (27%) | 488 (23%) | < 0.001 |
25.0-29.9 | 2099 (36%) | 1403 (37%) | 696 (31%) | |
≥ 30.0 | 2442 (39%) | 1395 (36%) | 1047 (45%) | |
Smoking status | ||||
Current smoker | 1102 (18%) | 696 (17%) | 406 (19%) | < 0.001 |
Former smoker | 1861 (31%) | 1087 (29%) | 774 (37%) | |
Never smoker | 2975 (51%) | 1924 (54%) | 1051 (45%) | |
Alcohol consumption | ||||
≥ 12 Times per year | 4130 (74%) | 2674 (76%) | 1456 (70%) | < 0.001 |
< 12 Times per year | 1808 (26%) | 1033 (24%) | 775 (30%) | |
Hypertension | ||||
Yes | 2900 (43%) | 1588 (39%) | 1312 (55%) | < 0.001 |
No | 3038 (57%) | 2119 (61%) | 919 (45%) | |
Diabetes | ||||
Yes | 1454 (18%) | 737 (15%) | 717 (26%) | < 0.001 |
No | 4484 (82%) | 2970 (85%) | 1514 (74%) | |
Cardiovascular disease | ||||
Yes | 651 (8.4%) | 315 (6.3%) | 336 (13%) | < 0.001 |
No | 5287 (92%) | 3392 (94%) | 1895 (87%) | |
Stress urinary incontinence | ||||
Yes | 1649 (29%) | 959 (27%) | 690 (34%) | < 0.001 |
No | 4289 (71%) | 2748 (73%) | 1541 (66%) | |
Urge urinary incontinence | ||||
Yes | 1707 (25%) | 836 (20%) | 871 (37%) | < 0.001 |
No | 4231 (75%) | 2871 (80%) | 1360 (63%) | |
Albumin creatinine ratio (mg/g) | 37 (327) | 23 (133) | 70 (557) | < 0.001 |
Energy intake (kcal/day) | 2048 (815) | 2085 (814) | 1961 (810) | < 0.001 |
Carbohydrate intake (gm/day) | 245 (102) | 249 (103) | 236 (99) | < 0.001 |
Moisture intake (gm/day) | 2878 (1186) | 2917 (1171) | 2789 (1214) | < 0.001 |
Sodium intake (mg/day) | 3404 (1503) | 3464 (1507) | 3267 (1486) | < 0.001 |
