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Table 2 Methods for estimating QALYS associated with quitting or preventing smoking (Q)

From: Medical costs and quality-adjusted life years associated with smoking: a systematic review

First author, year published

Target population

Source for QALY weights

Method of determining QALYSc

Discounted at 3 %

Assessment of uncertainty

Ahmad, 2005 [13]

Entire California population

aKaplan, 2007 [49]

QWB Scale

Yes

No

Ahmad, 2005 [14]

Entire U.S. population

aKaplan, 2007 [49]

QWB Scale

Yes

No

Ahmad, 2005 [15]

Entire California population

aKaplan, 2007 [49]

QWB Scale, Other

No

No

Erikson, 1995 [46]

Ahmad, 2008 [16]

Entire U.S. population

aKaplan, 2007 [49]

QWB Scale, Other

Not stated

No

Erikson, 1995 [46]

Cromwell, 1997 [18]

Adults in the U.S.

Fiscella, 1996 [20]

HUI

Yes

Yes

Holtgrave, 2009 [21]

Youth in the U.S.

Kaplan, 2007 [49]

HUI, QWB Scale

Yes

Yes

Wang, 2001 [38]

Javitz, 2004 [23]

Adults in the U.S.

Fiscella, 1996 [20]

HUI, Other

Yes

Yes

Erickson, 1995 [46]

Javitz, 2011 [24]

Adults in the U.S.

Fiscella, 1996 [20]

HUI, Other

Yes

Yes

Erickson, 1995 [46]

Kahn, 2008 [25]

Adults in the U.S.

Sullivan, 2006 [50]

EQ-5D Index

Yes

Yes

Keeler, 2002 [26]

Adults in the U.S.

Fiscella, 1996 [20]

HUI

Yes

Yes

Knight, 2010 [27]

Adults in the U.S.

bFiscella, 1996b

HUI

Yes

bNot clear

McMahon, 2011 [29]

Adults in the U.S.

Hanmer, 2006 [51]

EQ-5D Index

Yes

No

Ruger, 2008 [31]

Low-income pregnant women in the U.S.

Fiscella, 1996 [20]

HUI, Other

Yes

Yes

Cromwell, 1997 [18]

Erickson, 1997 [46]

Solberg, 2006 [34]

Adults in the U.S.

Maciosek, 2005 [78]

Other

Yes

Yes

Maciosek, 2001 [79]

Miscellaneous sources related to stroke [8086]

Tengs, 2001 [35]

Entire U.S. population

aKaplan, 2007 [49]

QWB Scale, Other

Yes

Yes

Erikson, 1995 [46]

Tran, 2002 [36]

Adults in the U.S.

Fiscella, 1996 [20]

HUI

Yes

Yes

Villanti, 2012 [37]

Adult in the U.S.

Wang, 2001 [38]

HUI

Yes

Yes

Javitz, 2004 [23]

Wang, 2001 [38]

Students in the U.S.

Cromwell, 1997 [18]

HUI

Yes

No

  1. aCited as “R. M. Kaplan, 1999, personal communication” in text. For the purpose of this analysis, we assume that the methodology described in [49] was used in this paper
  2. b“Utility values for the various model states were also drawn from a variety of literature sources [2027].” Fiscella was one of these sources. We assume it is for QALYs associated with quitting smoking. Notes that sensitivity analyses were conducted for utility values, but not clear if sensitivity analysis done specifically for utility values associated with quitting smoking
  3. c HUI Health Utilities Index, QWB quality of well-being scale, EQ-5D EuroQol five dimensions questionnaire