Table 3.

Subgroup analysis of the effect of the NHR on psoriasis (N = 21,723).

Subgroup	N	OR (95% CI)	P for interaction
Age (year)			0.852
20∼39	8,651	1.06 (0.97, 1.16)
40∼59	7,982	1.03 (0.95, 1.11)
≥60	5,090	1.06 (0.96, 1.17)
Sex			0.884
Male	10,467	1.04 (0.97, 1.12)
Female	11,256	1.05 (0.98, 1.13)
Race			0.416
Mexican American	3,502	0.96 (0.79, 1.16)
Non-Hispanic White	1,770	1.07 (0.89, 1.29)
Non-Hispanic Black	9,714	1.02 (0.96, 1.09)
Other Hispanic	4,573	1.13 (0.99, 1.31)
Other race/multiracial	2,164	1.15 (0.98, 1.35)
Education			0.396
Under high school	5,257	0.98 (0.87, 1.09)
High School or equivalent	4,927	1.07 (0.96, 1.18)
Above high school	11,539	1.06 (0.99, 1.14)
Marital status			0.357
Married/cohabiting	4,313	1.04 (0.91, 1.18)
Widowed/divorced/separated	13,095	1.08 (1.01, 1.15)
Never married	4,315	0.98 (0.88, 1.10)
BMI			0.903
<25	6,520	1.02 (0.91, 1.16)
25∼29.9	7,325	1.05 (0.96, 1.14)
≥30	7,878	1.06 (0.98, 1.14)
PIR			0.649
<1.30	6,527	1.06 (0.98, 1.16)
1.30∼3.49	8,790	1.06 (0.98, 1.15)
≥3.50	6,406	1.01 (0.91, 1.11)
Cigarette Use			0.625
Smoked ≥ 100 cigarettes in life	9,689	1.04 (0.97, 1.10)
Smoked < 100 cigarettes in life	12,034	1.06 (0.98, 1.15)
Diabetes			0.787
Yes	2,699	1.03 (0.92, 1.16)
No	19,024	1.05 (0.99, 1.11)
Hypertension			0.993
Yes	6,951	1.05 (0.97, 1.13)
No	14,772	1.05 (0.98, 1.12)
Cancer			0.760
Yes	1,678	1.07 (0.94, 1.21)
No	20,045	1.04 (0.99, 1.10)
Had at least 12 alcohol drinks one year			0.048
Yes	16,359	1.02 (0.96, 1.08)
No	5,364	1.14 (1.04, 1.26)
Heart attack			0.339
Yes	732	0.96 (0.80, 1.16)
No	20,991	1.06 (1.00, 1.11)

Age, sex, race, PIR, BMI, cigarette use, hypertension, education, diabetes, cancer, marital status, heart attack and alcohol use were adjusted.

BMI, body mass index; PIR, family income–poverty ratio; NHR, neutrophil-to-high-density lipoprotein cholesterol ratio.