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Table 3 Intermediate solution for configurations of behavior change techniques (BCTs) used in effective interventions to improve medication adherence

From: Identifying configurations of behavior change techniques in effective medication adherence interventions: a qualitative comparative analysis

Solution parameters
Consistencya: 100 % (34 studies)
Coverageb: 76 % total (26 studies)
68 % unique (23 studies)
8 % overlapping (3 studies)
Truth table rows covered: 7.2 % (37 of 512 rows)
Number of studies with outcome not coveredc: 8
Bender et al. 2010 [46], Hoffman et al. 2003 [47], Lee et al. 2006 [48], Okeke et al. 2009 [49], Ross et al. 2004 [50], Smith et al. 2008 [51], Solomon et al. 1998 [52], Waalen et al. 2009 [53]
Configurationd Consistency (%) Raw coverage %
(# of cases)
Unique coverage %
(# of cases)
Study
KS 100 50 (17) 44 (15) eBerg et al. 1997 [24], eJanson et al. 2003 [18], eJanson et al. 2009 [17], eJohnson et al. 2006a [29], eJohnson et al, 2006b [28], eKaton et al. 1995 [26], eKaton et al. 1999/Katon et al. 2002 [25], eKaton et al. 1996 [21], Katon et al. 2001/Ludman et al. 2003/Van Korff et al. 2003 [22], eMurray et al. 2007 [23], Ogedegbe et al. 2012 [54], eRudd et al. 2004 [19], eSchaffer et al. 2004 [33], eSimon et al. 2004 [30], eStacy et al. 2009 [32], eWilson et al. 2010 [20], eWu et al. 2012 [31]
fG 100 12 (4) 6 (2) eBerger et al. 2005 [35], eFriedman et al. 1996 [34], Katon et al. 2001 [22], Ogedegbe et al. 2012 [54]
rSIT 100 6 (2) 0 (0) Ogedegbe et al. 2012 [54], Wolever et al. 2010 [55]
kfCm 100 3 (1) 3 (1) eFulmer et al. 1999 [43]
fSmIT 100 6 (2) 0 (0) Ogedegbe et al. 2012 [54], Wolever et al. 2010 [55]
KRFICm 100 6 (2) 6 (2) eBosworth et al. 2008 [37], eRich et al. 1996 [38]
KrFT 100 9 (3) 9 (3) eBogner et al. 2012 [40], eBogner et al. 2010 [39], eBogner et al. 2008 [41]
  1. aConsistency is determined by dividing the number of studies in the outcome set that are covered by the configuration by the number of studies covered by the configuration. Consistency can range from 0 to 100 %. A consistency of 100 % indicates that all studies covered by the configuration are also in the outcome set (i.e., had improved adherence)
  2. bTotal coverage is determined by dividing the number of studies covered by any sufficient configuration in the solution by the number of studies demonstrating improved adherence. Unique coverage is determined by dividing the number of studies that are only covered by one of the sufficient configurations by the total number of studies demonstrating improved adherence. Total and unique coverage can range from 0 to 100 %. Overlapping coverage is the difference between total and unique coverage
  3. cStudies with the outcome that are not covered by a configuration (i.e., unexplained cases) are studies that were located in contradictory rows. In this study, we identified four contradictory rows where some studies covered by the configuration demonstrated improved medication adherence, and others studies covered by the same configuration did not demonstrate improvements in adherence. The studies listed here are those that were associated with improved adherence in those rows
  4. dAn uppercase letter in the configuration indicates the BCT was used as part of the study intervention; a lowercase letter indicates that the BCT was not used as part of the study intervention. BCTs not listed with either an uppercase or lowercase letter in a configuration were eliminated during the process of logical minimization
  5. eStudy is uniquely covered by the indicated configuration