Table 1.
Baseline characteristics of the study subjects according to psoriasis status.
| Male (n = 6,945) | Female (n = 7,144) | |||||
|---|---|---|---|---|---|---|
| No psoriasis (n = 6,756) | Psoriasis (n = 189) | p-value | No psoriasis (n = 6,935) | Psoriasis (n = 209) | p-value | |
| Age (y) | 48.75 ± 17.75 | 52.19 ± 16.27 | 0.007 | 49.15 ± 17.69 | 51.58 ± 17.17 | 0.049 |
| Race (%) | <0.001 | <0.001 | ||||
| Non- Hispanic White | 2,976 (44.05%) | 113 (59.79%) | 3,049 (43.97%) | 127 (60.77%) | ||
| Non- Hispanic Black | 1,427 (21.12%) | 16 (8.47%) | 1,441 (20.78%) | 24 (11.48%) | ||
| Mexican American | 971 (14.37%) | 19 (10.05%) | 963 (13.89%) | 14 (6.70%) | ||
| Other Hispanic | 610 (9.03%) | 18 (9.52%) | 729 (10.51%) | 23 (11.00%) | ||
| Other ethnicity | 772 (11.43%) | 23 (12.17%) | 753 (10.86%) | 21 (10.05%) | ||
| Alcohol (%) | 0.296 | 0.508 | ||||
| Yes | 5,710 (84.52%) | 165 (87.30%) | 4,290 (61.86%) | 134 (64.11%) | ||
| No | 1,046 (15.48%) | 24 (12.70%) | 2,645 (38.14%) | 75 (35.89%) | ||
| Diabetes (%) | 0.011 | 0.067 | ||||
| Yes | 862 (12.76%) | 36 (19.05%) | 865 (12.47%) | 35 (16.75%) | ||
| No | 5,894 (87.24%) | 153 (80.95%) | 6,070 (87.53%) | 174 (83.25%) | ||
| Congestive heart failure (%) | 0.110 | <0.001 | ||||
| Yes | 216 (3.20%) | 10 (5.29%) | 192 (2.77%) | 15 (7.18%) | ||
| No | 6,540 (96.80%) | 179 (94.71%) | 6,743 (97.23%) | 194 (92.82%) | ||
| Stroke (%) | 0.296 | 0.652 | ||||
| Yes | 231 (3.42%) | 8 (4.23%) | 192 (2.77%) | 15 (7.18%) | ||
| No | 6,525 (96.58%) | 181 (95.77%) | 6,696 (96.55%) | 203 (97.13%) | ||
| Smoking status (%) | 0.002 | 0.001 | ||||
| Non-smoker | 3,208 (47.48%) | 68 (35.98%) | 4,450 (64.17%) | 111 (53.11%) | ||
| Smoker | 5,710 (84.52%) | 165 (87.30%) | 2,485 (35.83%) | 98 (46.89%) | ||
| Physical activity | 0.735 | 0.218 | ||||
| MET minutes <600 | 3,588 (53.11%) | 103 (54.50%) | 5,005 (72.17%) | 158 (75.60%) | ||
| MET minutes 600–3,000 | 2,557 (37.85%) | 72 (38.10%) | 1745 (25.16%) | 43 (20.57%) | ||
| MET minutes >600 | 611 (9.04%) | 14 (7.41%) | 185 (2.67%) | 8 (3.83%) | ||
| RDW | 13.10 ± 1.13 | 13.11 ± 1.16 | 0.894 | 13.37 ± 1.53 | 13.59 ± 1.96 | 0.043 |
| Body mass index (kg/m2) | 28.45 ± 6.23 | 29.34 ± 5.56 | 0.020 | 29.41 ± 7.87 | 30.70 ± 7.86 | 0.018 |