Table 5.

Mean days with wasted medication per 30 days (rate data), by prescription length

Study or sub-group30 days90 daysMean difference IV, random (95% CI)
MeanSDTotal, NMeanSDTotal, N
Lipid-lowering medication
  Murphy et al (2012)290.0850.945612 1200.1140.978211 910−0.03 (−0.05 to −0.00)
Antihypertensive medication
  Murphy et al (2012)290.09971.234622 9770.14871.123117 497−0.05 (−0.07 to −0.03)
Diabetic medication
  Murphy et al (2012)290.14381.700349740.21470.97582484−0.07 (−0.13 to −0.01)
Antidepressant medication
  Murphy et al (2012)290.15391.353690600.14260.87637930.01 (−0.03 to 0.05)
Thyroid medication
  Murphy et al (2012)290.2523.280267250.3832.78454846−0.13 (−0.24 to −0.02)
Mixed medications
  Jiang et al (2007)262.31.029552.41.02730−0.10 (−0.20 to −0.00)
  • IV = inverse variance. N = the total number of participants evaluated in each arm of the study. SD = standard deviation.