Table 2 Regression coefficients of presence and degree of psoriasis with blood cadmium.

From: Exploring the link between cadmium and psoriasis in a nationally representative sample

 

Presence of Psoriasis (n = 150)

Degree of psoriasis

p for trend

Never diagnosed with psoriasis (n = 5,777)

No or little psoriasis (<1% BSA) (n = 83)

Few patches to extensive psoriasis (≥1% BSA) (n = 67)

β (95% CI)

p-values

β (95% CI)

β (95% CI)

p-values

β (95% CI)

p-values

Unadjusted

0.164 (0.054, 0.275)

0.004

Reference

0.064 (−0.085, 0.213)

0.403

0.284 (0.122, 0.446)

0.001

0.001

Model 1

0.145 (0.037, 0.253)

0.008

Reference

0.048 (−0.098, 0.193)

0.521

0.261 (0.103, 0.419)

0.001

0.002

Model 2

0.154 (0.05, 0.258)

0.004

Reference

0.058 (−0.082, 0.197)

0.418

0.26 (0.11, 0.413)

0.001

0.001

Model 3

0.151 (0.049, 0.252)

0.004

Reference

0.073 (−0.063, 0.209)

0.294

0.234 (0.085, 0.382)

0.002

0.001

  1. Adjusted covariates: Model 1 = age, gender, race/ethnicity, family income, education level. Model 2 = Model 1 + (hypertension, coronary heart disease, arthritis, cancer) + (Body mass index, waist circumference, alcohol consumption, former smoker, smoking dose). Model 3 = Model 2 + (white blood cell count, C-reactive protein, blood lead, blood mercury).
  2. CI, confidence interval.