Table 1. Baseline characteristics of the study population based on the presence or absence of erectile dysfunction.
| Total (n = 3 556) |
No ED (n = 2 411) |
ED (n = 945) |
P-value | |
|---|---|---|---|---|
| Age (years) | 49.93 ± 18.13 | 43.78 ± 15.39 | 65.62 ± 14.86 | <0.001 |
| PIR | 2.86 ± 1.60 | 2.95 ± 1.61 | 2.62 ± 1.54 | <0.001 |
| BMI (kg/m^2) | 28.08 ± 5.42 | 27.91 ± 5.28 | 28.51 ± 5.75 | 0.012 |
| Total cholesterol (mg/dL) | 200.47 ± 44.95 | 201.71 ± 44.64 | 197.31 ± 45.62 | 0.002 |
| High-density lipoprotein (mg/dL) | 47.44 ± 12.99 | 47.42 ± 13.01 | 47.50 ± 12.96 | 0.825 |
| Calcium intake (mg) | 925.28 ± 599.15 | 977.68 ± 631.86 | 791.60 ± 481.28 | <0.001 |
| Phosphorus intake (mg) | 1487.04 ± 692.09 | 1568.44 ± 727.93 | 1279.36 ± 538.02 | <0.001 |
| Potassium intake (mg) | 3017.88 ± 1336.68 | 3135.29 ± 1394.35 | 2718.32 ± 1123.17 | <0.001 |
| Race | <0.001 | |||
| Mexican American | 666 (19.85%) | 485 (20.12%) | 181 (19.15%) | |
| Other Hispanic | 115 (3.43%) | 80 (3.32%) | 35 (3.70%) | |
| Non-Hispanic White | 1882 (56.08%) | 1307 (54.21%) | 575 (60.85%) | |
| Non-Hispanic Black | 590 (17.58%) | 455 (18.87%) | 135 (14.29%) | |
| Other Race | 103 (3.07%) | 84 (3.48%) | 19 (2.01%) | |
| Education level | <0.001 | |||
| Less than high school | 891 (26.55%) | 529 (21.94%) | 362 (38.31%) | |
| High school | 834 (24.85%) | 632 (26.21%) | 202 (21.38%) | |
| More than high school | 1631 (48.60%) | 1250 (51.85%) | 381 (40.32%) | |
| Marital status | <0.001 | |||
| Married/Living with partners | 2377 (70.83%) | 1661 (68.89%) | 716 (75.77%) | |
| Widowed/Divorced/Separated | 448 (13.35%) | 279 (11.57%) | 169 (17.88%) | |
| Never married | 531 (15.82%) | 471 (19.54%) | 60 (6.35%) | |
| Alcohol use | 0.033 | |||
| Yes | 2777 (82.75%) | 2016 (83.62%) | 761 (80.53%) | |
| No | 579 (17.25%) | 395 (16.38%) | 184 (19.47%) | |
| Hypertension | <0.001 | |||
| Yes | 1049 (31.26%) | 550 (22.81%) | 499 (52.80%) | |
| No | 2307 (68.74%) | 1861 (77.19%) | 446 (47.20%) | |
| Diabetes | <0.001 | |||
| Yes | 345 (10.28%) | 124 (5.14%) | 221 (23.39%) | |
| No | 3011 (89.72%) | 2287 (94.86%) | 724 (76.61%) | |
| Smoking | <0.001 | |||
| Yes | 1995 (59.45%) | 1332 (55.25%) | 663 (70.16%) | |
| No | 1361 (40.55%) | 1079 (44.75%) | 282 (29.84%) | |
| Physical activity | <0.001 | |||
| Yes | 1980 (61.05%) | 1518 (64.00%) | 462 (53.04%) | |
| No | 1263 (38.95%) | 854 (36.00%) | 409 (46.96%) |
PIR, income- to- poverty ratio; BMI, body mass index.