Cost-effectiveness and cost-utility of a Web-based or print-delivered tailored intervention to promote physical activity among adults aged over fifty: an economic evaluation of the Active Plus intervention

Golsteijn, Rianne HJ; Peels, Denise A; Evers, Silvia MAA; Bolman, Catherine; Mudde, Aart N; de Vries, Hein; Lechner, Lilian

doi:10.1186/s12966-014-0122-z

International Journal of Behavioral Nutrition and Physical Activity

Table 4 Primary and sensitivity analyses of the Active Plus intervention conditions at the 12-month follow-up

From: Cost-effectiveness and cost-utility of a Web-based or print-delivered tailored intervention to promote physical activity among adults aged over fifty: an economic evaluation of the Active Plus intervention

	C		PB		PE		WB		WE		ICER^b	CEAF^dand probability highest NMB
	Costs^a	Effect	Costs^a	Effect	Costs^a	Effect	Costs^a	Effect	Costs^a	Effect
Primary analysis
PA (MET-hours/week)	2760 (5301)	-2.2	2472 (4269)	3.0	2295 (4694)	2.7	3078 (6301)	0.7	2504 (5666)	-0.4	555 (PE vs PB)	< €1000 PE, > €1000 PBPB: 50%; PE: 43%
QALY-EQ-5D-3L^c	2739 (5293)	0.884	2424 (4212)	0.876	2305 (4642)	0.883	3103 (6378)	0.883	2528 (5730)	0.888	40426 (PE vs WE)	< €40000 PE, > €40000 WE; PE: 45%
Sensitivity analyses
6-month follow-up
PA (MET-hours/week)	1444 (2988)	7.4	1329 (2880)	11.5	1106 (2456)	15.6	1501 (3207)	13.9	1201 (2663)	8.1	PE dominant	PE at any threshold; PE: 74%
QALY-EQ-5D-3L^c	1442 (2985)	0.442	1307 (2860)	0.438	1106 (2426)	0.441	1547 (3305)	0.442	1211 (2683)	0.444	38110 (PE vs WE)	< €45000 PE, > €45000 WE; PE: 56%
Complete cases
PA (MET-hours/week)	2382 (3880)	-2.5	2592 (4666)	6.3	2316 (4986)	5.7	2824 (5241)	1.7	2217 (3316)	4.1	472 (PE vs PB)	< €50 WE, > €50 < €400 PE, > €400€PB; €PB: 44%
QALY-EQ-5D-3L^c	2488 (4212)	0.902	2423 (4452)	0.878	2166 (4668)	0.898	2635 (5031)	0.893	2198 (3774)	0.892	PE dominant	PE at any threshold; PE: 46%
Baseline correction
PA (ME- hours/week)	2862 (3742)	-2.2	2664 (3277)	3.0	2614 (3824)	2.7	3038 (4593)	0.7	2794 (4618)	-0.5	157 (PE vs PB)	< €175 PE, > €175 PB; PB: 54%
QALY-EQ-5D-3L^c	2851 (3737)	0.884	2633 (3252)	0.876	2622 (3811)	0.883	3045 (4643)	0.883	2795 (4667)	0.888	31308 (PE vs WE)	< €30000 PE, > €30000 WE; PE: 38%
Health care perspective
PA (MET-hours/week)	1693 (4093)	-2.2	1441 (2817)	3.0	1297 (3340)	2.7	1438 (2658)	0.7	1419 (3963)	-0.4	452 (PE vs PB)	< €400 PE, > €400 PB; PB: 53%
QALY-EQ-5D-3L^c	1670 (4082)	0.884	1386 (2729)	0.876	1287 (3256)	0.883	1428 (2664)	0.883	1386 (3965)	0.888	17966 (PE vs WE)	< €12500 PE, > €12500 WE; WE: 42%
Other outcome measures
Minutes MVPA/week	2749 (5264)	-72.1	2463 (4241)	3.1	2306 (4696)	37.7	3078 (6301)	-32.8	2504 (5666)	-39.8	PE dominant	PE at any threshold; PE: 83%
Days with sufficient PA	2720 (5349)	0.1	2520 (4303)	0.4	2341 (4740)	0.5	3076 (6286)	0.0	2503 (5645)	0.2	PE dominant	PE at any threshold; PE: 76%
QALY-EQ-5D-3L UK tariff	2739 (5293)	0.858	2424 (4212)	0.846	2305 (4642)	0.856	3103 (6378)	0.857	2528 (5730)	0.864	25001 (PE vs WE)	< €25000 PE, > €25000 WE; PE: 42%

PB = printed basic intervention, PE = printed environmental intervention, WB = Web-based basic intervention, WE = Web-based environmental intervention, C = control group.
^aIn Euros; ^bcalculated according to the formula ICER = (Ci-Cc)/ (Ui-Uc); ^cBased on the Dutch algorithm for the EuroQol (EQ-5D-3L) scores; ^dCost-effectiveness acceptability frontiers (CEAF); ^eProbability of highest net monetary benefit (NMB) based on WTP = €20,000.

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ISSN: 1479-5868

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