Table 3.

Characteristics and effectiveness of interventions with a short-term follow-up period (<6 months)

Study	Medication for	Type of reminder	Study quality	Short-term effect* on adherence measured with:
				Electronic monitoring	Self-report	Pill count
Hou et al30	Contraception	SMS	High	–	–
Hardy et al28	HIV	SMS	High	++	–	–
Strandbygaard et al31	Asthma	SMS	High	++
Charles et al34	Asthma	ERD	High	++
Andrade et al36	HIV	ERD	High	+	–
Ho et al33	Glaucoma	ERD	Low	++
Santschi et al35	Hypertension	ERD	Low	–
Da Costa et al37	Hypertension	ERD	Low			++
Laster et al38	Glaucoma	ERD	Low		++	++†
Safren et al40	HIV	pager	Low	++

^*++= Overall effect; + = subgroup effect; – = no effect.

^†Amount of eye drops left estimated by bottle weight.

ERD, electronic reminder device; SMS, short message service.