Table 1.
Characteristics of Participants by Psoriasis
| Variable | Psoriasis (n=414) | No Psoriasis (n=15,319) | P value |
|---|---|---|---|
| Age (years) | 41.72 ± 11.44 | 38.20 ± 12.21 | <0.001 |
| BMI (kg/m2) | 30.06 ± 7.43 | 28.90 ± 7.12 | 0.001 |
| PIR | 2.64 ± 1.70 | 2.51 ± 1.62 | 0.102 |
| ETA (g/d) | 0.14 ± 0.10 | 0.16 ± 0.11 | 0.033 |
| EPA (g/d) | 0.04 ± 0.11 | 0.04 ± 0.09 | 0.131 |
| DHA (g/d) | 0.08 ± 0.16 | 0.07 ± 0.15 | 0.319 |
| Gender | 0.708 | ||
| Male | 190 (45.89%) | 7173 (46.82%) | |
| Female | 224 (54.11%) | 8146 (53.18%) | |
| Veteran status | 0.001 | ||
| Yes | 42 (10.14%) | 960 (6.27%) | |
| No | 372 (89.86%) | 14,359 (93.73%) | |
| Marital status | <0.001 | ||
| Married | 253 (61.11%) | 8980 (58.62%) | |
| Widowed/ Divorced/ Separated | 75 (18.12%) | 2116 (13.81%) | |
| Never married | 79 (19.08%) | 3462 (22.60%) | |
| Drinking alcohol | 0.082 | ||
| Yes | 301 (72.71%) | 10,341 (67.50%) | |
| No | 86 (20.77%) | 3751 (24.49%) | |
| Smoking | <0.001 | ||
| Yes | 110 (26.57%) | 3553 (23.19%) | |
| No | 107 (25.85%) | 2607 (17.02%) |
Abbreviations: g/d, gram per day; BMI, body mass index; PIR, ratio of family income to poverty; ETA, eicosatetraenoic acid (20:4 n-3); EPA, eicosapentaenoic acid (20:5 n-3); DHA, docosahexaenoic acid (22:6 n-3).