Healthy families: study protocol for a randomized controlled trial of a screening, brief intervention, and referral to treatment intervention for caregivers to reduce secondhand smoke exposure among pediatric emergency patients

Table 1 Schedule of enrollment, interventions, and assessments

	Study Period
	Enrollment	Allocation	Post-allocation
Time Point	Baseline t₀	Baseline t₀	6 weeks t₁	6 months t₂
Enrollment
Eligibility Screen	X
Informed Consent/Assent	X
Allocation		X
Interventions
Intervention Group (SBIRT)		X
Control Group (HHC)		X
Assessments
Sociodemographics	X	X
Stages of Change		X
Nicotine dependence, motivation to quit, quit attempts		X	X	X
Child SHSe		X	X	X
Covariates, mediators, moderators of the intervention		X	X	X
5–2–1-0 Behaviors		X	X	X
Use of NRT and cessation resources			X	X
Child SHSe-related healthcare visits		X	X	X
Self-reported child SHSe			X	X
Biochemically validated quitting outcomes			X	X
Biochemically validated SHSe outcomes			X	X

ISSN: 1471-2458