. Author manuscript; available in PMC: 2019 May 16.

Published in final edited form as: J Phys Act Health. 2015 Feb;12(2):224–231. doi: 10.1123/jpah.2013-0167

Table 1.

Cost-Effectiveness of Each Intervention Compared With No Intervention in All Adults (25–64 Years) at 20 Years

Exemplar Study	Intervention Strategy	Total cost, 2003 $US	Total life years	Total QALY	Incremental cost ($)	Incremental life years	Incremental QALY	Cost/LY ($/LY)	Cost/QALY ($/QALY)
	No intervention	61,092	14,389	11.182	—	—	—	—	—
Reger et al¹⁰	Community-wide campaign	62,292	14,397	11.210	1,200	0.009	0.028	136,341	42,546
Lombard et al⁹	Social support	64,794	14,408	11.244	3,702	0.020	0.063	186,980	59,235
Linenger et al⁸	Enhanced access	62,087	14,393	11.197	995	0.005	0.015	211,787	65,921
Jeffery et al⁶	Individually-adapted health behavior	63,695	14,400	11.218	2,603	0.011	0.037	232,393	71,115
Kriska et al⁷	Social support	62,671	14,394	11.199	1,580	0.005	0.018	298,019	89,744
Knowler et al⁵ (DPP)	Individually-adapted health behavior	64,395	14,399	11.215	3,303	0.010	0.033	317,596	99,789
Young et al¹¹	Community-wide campaign	62,200	14,391	11.189	1,109	0.002	0.008	461,917	145,868

Note. QALY = quality-adjusted life year; LY = life year; DPP = diabetes prevention program. Values in Table 1 are rounded to no more than 3 decimal places Future cumulative costs and benefits over a 20-year time horizon are reported in table as discounted, average, per person costs, and QALYs.