Table 3.
Factors Affecting Quality of Life in Patients with Psoriasis
| Variables | OR (95% CI) | P | OR a (95% CI) | P |
|---|---|---|---|---|
| Female | 0.867(0.748,1.005) | 0.058 | 1.336(1.071,1.667) | 0.01 |
| Age | ||||
| <20 | Ref | Ref | ||
| 20–39 | 1.418(1.104,1.821) | 0.006 | 1.795(1.100,2.930) | 0.019 |
| 40–59 | 1.136(0.882,1.462) | 0.325 | 1.202(0.809,1.786) | 0.363 |
| ≥60 | 0.645(0.451,0.922) | 0.016 | 0.814(0.416,1.592) | 0.012 |
| Marital status | ||||
| Married | 1.332(1.112,1.595) | 0.002 | 1.125(0.830,1.524) | 0.449 |
| Income (USD/year) | ||||
| <3000 | Ref | |||
| 3000–11,400 | 1.189(1.000,1.414) | 0.05 | 1.248(0.986,1.580) | 0.066 |
| ≥11,400 | 1.325(1.078,1.628) | 0.007 | 1.408(1.067,1.858) | 0.016 |
| Family history of psoriasis | 1.321(1.098,1.589) | 0.003 | 1.460(1.131,1.885) | 0.004 |
| Age at onset | ||||
| ≥40 | Ref | Ref | ||
| <40 | 1.493(1.263,1.764) | <0.001 | 1.562(1.101,2.217) | 0.012 |
| Disease duration | ||||
| ≤10 | Ref | Ref | ||
| >10 | 0.588(0.506,0.684) | <0.001 | 0.923(0.715,1.192) | 0.54 |
| PASI | ||||
| <3 | Ref | Ref | ||
| 3–10 | 1.948(1.532,2.492) | <0.001 | 1.888(1.267,2.814) | 0.002 |
| ≥ 10 | 6.164(4.826,7.873) | <0.001 | 5.547(3.477,8.848) | <0.001 |
| Comorbidity | ||||
| Psoriasis arthritis | 1.424(1.098,1.848) | 0.008 | 1.718(1.208,2.443) | 0.003 |
| Site of psoriasis | ||||
| Scalp | 1.772(1.411,2.227) | <0.001 | 1.340(1.003,1.790) | 0.047 |
| Face | 1.849(1.556,2.196) | <0.001 | 1.306(1.003,1.650) | 0.025 |
| Neck | 2.330(1.896,2.863) | <0.001 | 1.363(1.033,1.798) | 0.029 |
| Upper arms | 2.573(2.111,3.135) | <0.001 | 1.559(1.100,2.210) | 0.013 |
| Fore arms | 2.431(1.965,3.007) | <0.001 | 0.959(0.663,1.388) | 0.824 |
| Hands | 2.171(1.833,2.572) | <0.001 | 1.533(1.211,1.939) | <0.001 |
| Trunk | 0.485(0.413,0.569) | <0.001 | 0.167(0.132,0.211) | <0.001 |
| Perineum | 0.776(0.473,1.272) | 0.314 | 0.758(0.419,1.370) | 0.359 |
| Hip | 2.247(1.908,2.645) | <0.001 | 1.218(0.996,1.536) | 0.095 |
| Thigh | 2.698(2.207,3.299) | <0.001 | 1.864(1.300,2.673) | 0.001 |
| Lower legs | 2.118(1.670,2.685) | <0.001 | 0.906(0.597,1.375) | 0.642 |
| Foot | 2.543(2.061,3.136) | <0.001 | 2.110(1.603,2.778) | <0.001 |
| Nails | 1.221(0.989,1.509) | 0.064 | 1.441(1.091,1.903) | 0.01 |
Notes: ORa, adjusted by sex and age, marital status, income, family history of psoriasis, age at onset, disease duration, comorbidity, site of psoriasis.
Abbreviations: CI, Confidence Interval; USD, United States dollar; PASI, Psoriasis Area and Severity Index.