Table 1.

Medication Regimen Factors Affecting Adherence in 11 Reports of Qualitative Studies

Medication Regimens	Report
More complex regimen
Side effects	Abel and Painter (2003), Gant and Welch (2004), Misener and Sowell (1998), Powell-Cope, White, Henkelman, and Turner (2003), Remien et al. (2003), Richter, Sowell, and Pluto (2002), Roberts and Mann (2000), Schrimshaw, Siegel, and Lekas (2005), Siegel and Gorey (1997), Siegel et al. (2001), and Wood et al. (2004)
Having regimen that is difficult to execute in routine daily schedule (e.g., forget, asleep)	Abel and Painter (2003), Gant and Welch (2004), Powell-Cope et al. (2003), Remien et al. (2003), and Roberts and Mann (2000)
Having regimen that is difficult to execute in nonroutine schedule (e.g., vacation, away from home)	Roberts and Mann (2000)
Pills hard to take, too many	Powell-Cope et al. (2003), Remien et al. (2003), and Roberts and Mann (2000)
Changes in regimen	Abel and Painter (2003)
Less complex regimen
Having no or manageable side effects	Misener and Sowell (1998) and Schrimshaw et al. (2005)
Having less complex regimen or one that allows integration into routine schedule	Abel and Painter (2003), Gant and Welch (2004), Powell-Cope et al. (2003), and Richter et al. (2002)