Evaluating the QUIT-PRIMO clinical practice ePortal to increase smoker engagement with online cessation interventions: a national hybrid type 2 implementation study

Table 4 Trial 2: Clinical Effectiveness of the WATI, Six-month cessation by allocation to Technology-Assisted Tobacco Intervention features

Comparing Control, Messaging, and Personalized groups ^a ; Point estimates and Odds Ratios
		(CONTROL) Standard Tailored Website	Messaging group	Personalized Group (All features)	Personalized versus control
Completed cases	Percent	25/147 (17%)	27/101 (26.7%)	55/218 (25%)	0.063
Completed cases	Odds Ratio	reference	1.781 (0.962-3.296)	1.647 (0.971-2.791)	0.064
Missing = Smoking	Percent	25/299 (8.4%)	27/164 (16.5%)	55/437 (12.6%)	0.071
Missing = Smoking	Odds Ratio	reference	2.160 (1.208-3.863)	1.578 (0.959-2.595)	0.072
Selection Model	Odds Ratio	reference	1.790 (1.208-3.863)	1.660 (0.959-2.595)	0.064
Comparing Control and those Receiving Messages (Messaging or Personalized)
		Standard without messages (CONTROL)	With Messages (Groups Messaging or Personalized)		With Messages versus Control (p)
Completed cases	Percent	25/147 (17%)	82/319 (25.7%)		0.038
Completed cases	Odds Ratio	reference	1.688 (1.026-2.779)		0.039
Missing = Smoking	Percent	25/299 (8.4%)	82/601 (13.6%)		0.021
Missing = Smoking	Odds Ratio	reference	1.732 (1.081-2.774)		0.022
Selection Model	Odds Ratio	reference	1.699 (1.026-2.813)		0.039
Note: Table 4 uses completed cases, missing equals smoking, and selection modeling methods

^a Smokers received either a standard interactive Internet site (CONTROL), the standard enhanced with pushed automated motivational email messages (MESSAGING), or the features of CONTROL and MESSAGING plus access to secure messaging with a tobacco treatment specialist and a smoker to smoker online support group (PERSONALIZED)

ISSN: 1748-5908