Table III.
Multivariate analysis to evaluate the impact of age on onset of psoriasis (childhood onset psoriasis (COP) vs adult onset psoriasis) on addictive behaviours, socioeconomic, and educational data in adulthood
| Parameter associated to COP | p-value | OR [95% CI] |
|---|---|---|
| Alcohol consumption | ||
| Age at inclusion younger | 0.10 | 0.99 [0.98–1] |
| Sex (female) | < 0.0001 | 2.43 [1.92–3.09] |
| Obesity | 0.02 | 1.55 [1.15–2.08] |
| Age at onset younger | 0.53 | 1.09 [0.83–1.45] |
| Current smoker | ||
| Age at inclusion younger | < 0.0001 | 1.04 [1.04–1.05] |
| Sex (female) | 0.13 | 0.83 [0.65–1.05] |
| Obesity | <0.0001 | 2.48 [1.83–3.37] |
| Age at onset younger | 0.002 | 1.56 [1.17–2.07] |
| Working activity | ||
| Age at inclusion younger | <0.0001 | 0.97 [0.96–0.99] |
| Sex | <0.0001 | 2.24 [1.63–3.06] |
| Obesity | 0.22 | 1.30 [0.91–1.87] |
| Age at onset | 0.32 | 0.85 [061–1.17] |
| Baccalaureate or more | ||
| Age at inclusion younger | <0.0001 | 0.97 [0.96–0.98] |
| Sex (female) | 0.72 | 1.04 [0.84–1.29] |
| Obesity | 0.005 | 0.64 [0.49–0.83] |
| Age at onset (younger) | 0.99 | 0.99 [0.78–1.27] |
| Living alone | ||
| Age at inclusion (younger) | 0.0016 | 1.00 [0.99–1.01] |
| Family | 0.96 [0.94–0.98] | |
| Community | ||
| Sex (female) | 0.49 | 0.96 [1.74–1.24] |
| Family | 1.34 [0.75–2.41] | |
| Community | ||
| Obesity | 0.02 | 1.38 [1.01–1.90] |
| Family | 2.35 [1.16–4.78] | |
| Community | ||
| Age at onset (younger) | 0.91 | |
| Family | 0.94 [0.70–1.27] | |
| Community | 0.92 [0.48–1.77] | |
Statistical analysis: logistic regression with forward selection of factors with a p-value below 0.2 in univariate analysis. OR: odds ratio; CI: confidence interval.