Abstract 46 Table 1

Odds ratios and 95% CI from multivariate models of cutaneous lupus by smoking exposure in pack-years

	Acute SLICCCutaneous	Chronic SLICC Cutaneous	Any SLICC Cutaneous	Any ACR Cutaneous	Any Muco-cutaneous*	Any SLICC-DI Skin Damage

Nonsmoker (0 pk-yrs)	ref	ref	ref	ref	ref	ref
Low (<5 pk-yrs)	1.6 (0.8–2.9)	1.7 (0.8–3.9)	3.7 (1.3–10.6)	2.0 (1.0–3.8)	9.0 (1.2–67.7)	1.8 (0.6–5.7)
Med (5–10 pk-yrs)	2.3 (1.1–5.1)	2.0 (0.8–4.9)	2.1 (0.8–5.8)	2.0 (0.9–4.3)	7.3 (0.95–56.2)	2.6 (0.8–8.3)
High (>10 pk-yrs)	1.1 (0.7–1.7)	2.2 (1.2–4.2)	1.3 (0.7–2.2)	1.2 (0.7–1.9)	0.9 (0.5–1.7)	4.2 (1.9–9.2)
Early onset	0.6 (0.3–1.3)	0.9 (0.3–2.7)	0.6 (0.2–1.7)	0.7 (0.3–1.6)	0.6 (0.2–2.2)	0.8 (0.2–3.7)
Usual onset	ref	ref	ref	ref	ref	ref
Late onset	0.3 (0.1–0.8)	1.0 (0.3–3.0)	0.3 (0.1–0.97)	0.5 (0.2–1.1)	0.4 (0.1–1.6)	1.3 (0.3–6.4)
Male	ref	ref	ref	ref	ref	ref
Female	2.6 (1.5–4.7)	1.1 (0.5–2.6)	4.6 (2.6–8.1)	2.5 (1.4–4.4)	5.2 (2.9–9.4)	1.1 (0.4–3.4)
White	ref	ref	ref	ref	ref	ref
Black	0.4 (0.2–0.6)	1.8 (0.97–3.4)	0.9 (0.5–1.8)	0.5 (0.3–0.8)	0.7 (0.4–1.6)	2.6 (1.1–5.9)
Other	0.6 (0.3–1.1)	3.6 (1.6–8.1)	0.6 (0.3–1.5)	0.5 (0.3–1.4)	0.5 (0.2–1.2)	2.2 (0.6–8.2)

Ref= referent category; *Any Mucocutaneous included any SLICC or ACR cutaneous or mucosal criteria.