Research Article

Patient-Reported Outcomes of Arsenic-Related Skin Lesions in China

Table 4

Factors associated with the DLQI.

Crude modelAdjusted model
Characteristics (95% CI) (95% CI)

Age (year)-0.03 (-0.08, 0.01)0.129-0.03 (-0.07, 0.02)0.216
Gender (male vs. female)-0.43 (-1.24, 0.39)0.305-0.28 (-0.93, 0.36)0.389
Race (Han vs. other)0.73 (-0.15, 1.60)0.103-0.06 (-0.73, 0.62)0.871
Marriage (widowed vs. married)0.31 (-0.86, 1.48)0.6010.10 (-0.84, 1.05)0.834
Educational level-0.19 (00.73, 0.34)0.475-0.15 (-0.61, 0.32)0.545
Household annual income-0.40 (-0.94, 0.13)0.139-0.14 (-0.57, 0.29)0.529
Occupational exposure history1.21 (0.10, 2.31)0.0320.33 (-0.54, 1.19)0.462
Hair arsenic (μg/g)0.22 (0.07, 0.38)0.0050.12 (0.01, 0.24)0.047
Pigmentary changes0.48 (-1.01, 1.97)0.527-0.62 (-1.77, 0.52)0.284
Hyperkeratosis0.50 (-0.40, 1.39)0.2750.13 (-0.55, 0.82)0.709
Itch NRS0.84 (0.74, 0.93)<0.0010.80 (0.70,0.90)<0.001
PSQI0.18 (0.07, 0.28)0.0010.03 (-0.05, 0.11)0.464
GAD-20.43 (0.08, 0.78)0.0160.01 (-0.41, 0.43)0.977
PHQ-20.43 (0.09, 0.77)0.0140.10 (-0.32, 0.52)0.635

NRS: numeric rating scale; PSQI: Pittsburgh Sleep Quality Index; GAD-2: two-item Anxiety Disorder Scale; PHQ-2: two-item Patient Health Questionnaire; DLQI: Dermatology Life Quality Index; CI: confidence interval.