Table 2

Prevalence of Unintentional and Intentional Non-adherence (N = 24,017)
Unintentional Non-adherence
Items N %
Ever forget to take medication in past six months 14,987 62.4%
Ever run out of medication in past six months 8,861 36.9%
Careless at times about taking medication in past six months 5,522 23.0%
Reported
    at least one
of the three unintentional non-adherence behaviors in the past six months
16,832 70.1%
Intentional Non-adherence
Items N %
Skipped doses to make medication last longer 4,265 17.8%
Took smaller doses to make medication last longer 3,616 15.1%
Altered dose of medication to suit own needs 3,448 14.4%
Stopped taking medication because felt worse 2,071 8.6%
Took less medication because felt better 1,922 8.0%
Skipped medication because felt worse 1,862 7.8%
Skipped medication because felt better 1,766 7.4%
Stopped medication because didn’t think it was helping 1,785 7.4%
Took less medication because felt worse 1,665 6.9%
Stopped taking medication because felt better 1,529 6.4%
Skipped doses because didn’t think medication was helping 1,466 6.1%
Reported
    at least one
of the eleven intentional non-adherence behaviors in the past six months
8,235 34.3%

Gadkari and McHorney

Gadkari and McHorney BMC Health Services Research 2012 12:98   doi:10.1186/1472-6963-12-98

Open Data