Table 3.

Demographic and health characteristics in those diagnosed with mild, moderate, or severe psoriasis

	Psoriasis severity
	Total (N=210)	Mild (N=157)	Moderate (N=42)	Severe (N=11)	p value
Age (years)					0.74
Mean ± SD	40.80 ± 12.65	41.06 ± 12.75	40.55 ± 12.26	38.00 ± 13.55
Gender					0.09
Female (%)	106 (50.5%)	75 (47.8%)	22 (52.4%)	9 (81.8%)
Education level					0.65
Less than a university education (%)	45 (21.4%)	32 (20.4%)	10 (23.8%)	3 (27.3%)
Some university education (%)	50 (23.8%)	35 (22.3%)	13 (31.0%)	2 (18.2%)
University graduate (%)	115 (54.8%)	90 (57.3%)	19 (45.2%)	6 (54.5%)
Annual household income (in USD)					0.006
$949 or less (%)	33 (15.7%)	22 (14.0%)	10 (23.8%)	1 (9.1%)
$950-1,898 (%)	37 (17.6%)	28 (17.8%)	8 (19.0%)	1 (9.1%)
$1,899-4,745 (%)	56 (26.7%)	45 (28.7%)	10 (23.8%)	1 (9.1%)
$4,746 or more (%)	63 (30.0%)	51 (32.5%)	9 (21.4%)	3 (27.3%)
Decline to answer (%)	21 (10.0%)	11 (7.0%)	5 (11.9%)	5 (45.5%)
Employment status					0.18
Employed (%)	151 (71.9%)	111 (70.7%)	34 (81.0%)	6 (54.5%)
Private insurance					0.48
Yes (%)	132 (62.9%)	102 (65.0%)	23 (54.8%)	7 (63.6%)
Body mass index category					0.008
Underweight (%)	6 (2.9%)	3 (1.9%)	3 (7.1%)	0 (0.0%)
Normal weight (%)	86 (41.0%)	69 (43.9%)	13 (31.0%)	4 (36.4%)
Overweight (%)	54 (25.7%)	44 (28.0%)	10 (23.8%)	0 (0.0%)
Obese (%)	62 (29.5%)	40 (25.5%)	16 (38.1%)	6 (54.5%)
Decline to provide weight (%)	2 (1.0%)	1 (0.6%)	0 (0.0%)	1 (9.1%)
Alcohol use					0.80
Do not drink (%)	80 (38.1%)	58 (36.9%)	17 (40.5%)	5 (45.5%)
Drink alcohol (%)	130 (61.9%)	99 (63.1%)	25 (59.5%)	6 (54.5%)
Smoking behavior					0.42
Never smoker (%)	108 (51.4%)	77 (49.0%)	23 (54.8%)	8 (72.7%)
Former smoker (%)	62 (29.5%)	51 (32.5%)	10 (23.8%)	1 (9.1%)
Current smoker (%)	40 (19.0%)	29 (18.5%)	9 (21.4%)	2 (18.2%)
Exercise behavior					0.41
Do not exercise (%)	93 (44.3%)	68 (43.3%)	18 (42.9%)	7 (63.6%)
Regularly exercise (%)	117 (55.7%)	89 (56.7%)	24 (57.1%)	4 (36.4%)
Charlson comorbidity index					0.75
Mean ± SD	0.64 ± 2.26	0.69 ± 2.57	0.57 ± 0.86	0.18 ± 0.40