Table 1.

Survey Questions, Variable Labels, and Definition of Nonadherence

Variable Label	Survey Question	Answer Indicating Nonadherence
Adherence measures
Missed medication prior to admission	“Had you missed taking your blood pressure pills before you came into the hospital?”	Yes
Nonadherent: prescription refill	“On average, how many times a year do you run out of your pills for at least a day or two?”	Three or more times
Nonadherent: pill taking	“On average, how many times a week do you miss taking your blood pressure pills?”	One or more times
Reasons for nonadherence
Can't afford medications	“Do you ever miss your pills because you can't afford them?”	Yes
Side effects	“Do you ever miss your blood pressure pills because of side effects?”	Yes
Forget to take medicine	“Do you ever forget to take your medicine?”	Yes
Blood pressure pills don't help	“Do you ever miss your medication because you don't think that they are helping you?”	Yes
Can't find doctor to prescribe	“Do you ever miss your medication because you can't find a doctor to prescribe it?”	Yes
Can't get to a pharmacy	“Do you ever miss your medicine because you have trouble getting to the pharmacy to get it?”	Yes
Take pills too many times per day	“Do you ever miss your medicine because you have to take it too many times a day?”	Yes