(Change in # cigs/day)ij =	γ(intercept) +
Person-level fixed effects	γ (# cigs/day at Wave 1 centered)ij +
	γ (female)ij+
	γ (age 30–44)ij+
	γ (age 45–64)ij+
	γ (age ≥65)ij+
	γ (African American)ij+
	γ (Hispanic)ij+
	γ (other race)ij+
	γ (< high school)ij+
	γ (>high school)ij+
	γ (very low income)ij+
	γ (low income)ij+
	γ (divorced)ij+
	γ (married)ij +
	γ (current/recent pregnancy at Wave 2)ij +
	γ (presence of comorbidities at Wave 1)ij +
State-level fixed effects	γ (price change)j +
	γ (indoor air score change)j +
Cross-level interaction	γ (# cigs/day at Wave 1 centered)ij(price change)j +
Random effects	u0j +
	u1j(# cigs/day at Wave 1)ij+
	rij