Table 1.
Baseline characteristics of participants with and without psoriasis
| Characteristics | Without psoriasis (n=8149) | With psoriasis (n=238) | P value |
| Age, mean (SD), years | 47.2 (17.0) | 51.3 (15.4) | <0.001 |
| Sex | 0.408 | ||
| Female | 4128 (51.0) | 126 (53.8) | |
| Male | 4021 (49.0) | 112 (46.2) | |
| Race | 0.001 | ||
| Mexican American | 904 (7.9) | 15 (4.1) | |
| Other Hispanic | 759 (5.8) | 24 (5.1) | |
| Non-Hispanic white | 3467 (68.4) | 136 (79.7) | |
| Non-Hispanic black | 1842 (10.7) | 28 (4.8) | |
| Non-Hispanic Asian | 931 (4.6) | 26 (4.0) | |
| Other race | 246 (2.6) | 9 (2.3) | |
| Poverty income ratio | 0.81 | ||
| Low | 2793 (23.9) | 84 (22.7) | |
| Medium | 2800 (34.5) | 76 (33.8) | |
| High | 2556 (41.6) | 78 (43.5) | |
| Education | 0.405 | ||
| High school or less | 3444 (35.4) | 91 (30.4) | |
| Some college or AA degree | 2559 (32.8) | 79 (33.4) | |
| College graduate or above | 2146 (31.8) | 68 (36.2) | |
| BMI | 0.071 | ||
| Underweight (<18.5) | 133 (1.4) | 0 (0.0) | |
| Normal (18.5 to <25) | 2382 (28.8) | 52 (20.8) | |
| Overweight (25 to <30) | 2618 (33.2) | 89 (41.6) | |
| Obese (30 or greater) | 3016 (36.6) | 97 (37.6) | |
| Smoking status | <0.001 | ||
| Never smoker | 4594 (56.2) | 121 (49.4) | |
| Former smoker | 1888 (23.9) | 82 (39.7) | |
| Current smoker | 1667 (20.0) | 35 (10.9) | |
| Alcohol drinker | 0.899 | ||
| No | 2157 (20.6) | 65 (20.3) | |
| Yes | 5992 (79.4) | 173 (79.7) | |
| Hypertension | 0.032 | ||
| No | 5207 (67.3) | 129 (57.8) | |
| Yes | 2942 (32.7) | 109 (42.2) | |
| Diabetes | 0.006 | ||
| No | 7090 (90.0) | 190 (83.3) | |
| Yes | 1059 (10.0) | 48 (16.7) | |
| History of CVD | 0.024 | ||
| No | 7352 (91.8) | 197 (87.9) | |
| Yes | 797 (8.2) | 41 (12.1) | |
| NLR | 2.0 (1.5, 2.6) | 2.4 (1.8, 3.2) | <0.001 |
Median (SD) or median (IQR) for continuous; n (%) for categorical.
AA, associates; BMI, body mass index; CVD, cardiovascular disease; NLR, neutrophil-to-lymphocyte ratio.