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. Author manuscript; available in PMC: 2025 Mar 1.
Published in final edited form as: Am J Prev Med. 2023 Oct 14;66(3):435–443. doi: 10.1016/j.amepre.2023.10.011

Table 3:

Incremental Cost-Effectiveness Ratios (ICER)

Outcome Pre-
Implementation
Effectiveness
(95% CI)		 Post-
Implementation
Effectiveness
(95% CI)		 Incremental
Effectiveness
(95% CI)		 Incremental
Cost-
Effectiveness
Ratio
(95% CI)
Received tobacco cessation treatment (counseling and/or medication) 68 patients per month (61, 75) 104 patients per month (94, 114) 36 patients per month (24, 48) $671 per patient ($447, $895)
Quit smoking (converted from current smoker to former smoking status) 7 patients per month (6, 9) 48 patients per month (44, 53) 41 patients per month (37, 45) $628 per quit ($568, $695)
QALYs . . . $905 per QALY ($822, $1,001)

Smoking cessation rates based on patient self-reported smoking status.

Total number of patients receiving tobacco cessation treatment and quitting smoking determined by applying the incremental effectiveness to the total number of follow-up months for each study clinic. Due to rolling enrollment of clinics into the study, the number of follow-up months varied by clinic.

QALY: Quality-Adjusted Life Year