Table 1 Literature search terms by database

MEDLINE

(exp immunization OR exp immunization program OR vaccin$ OR immun$)

631

AND

(exp appointments and schedules OR exp reminder systems OR exp parental notification OR guideline adherence OR alert$ OR reminder$ OR notification$ OR recall$ OR appointment$)

AND

(exp attitude OR barrier$ OR challeng$ OR obstacle$ OR adopt$ OR attitude$ OR behaviour$)

Cumulative Index to Nursing and Allied Health Literature (CINAHL)

(exp immunization OR exp immunization programs OR or vaccin*)

233

AND

(exp appointment and scheduling information systems OR exp appointments and schedules OR exp reminder systems or exp parental notification OR exp guideline adherence OR alert* OR reminder* OR notification* OR recall* OR appointment*)

OR

(exp barrier* OR challeng* OR obstacle* OR adopt* OR attitude* OR behaviour*)

Academic Search Premier (ASP)

(exp immunization OR exp immunization programs OR or vaccin*)

178

AND

(exp appointment and scheduling information systems OR exp appointments and schedules OR exp reminder systems or exp parental notification OR exp guideline adherence OR alert* OR reminder* OR notification* OR recall* OR appointment*)

OR

(exp barrier* OR challeng* OR obstacle* OR adopt* OR attitude* OR behaviour*)

PsychINFO

(exp immunization OR exp immunization programs OR or vaccin*)

18

AND

(exp appointment and scheduling information systems OR exp appointments and schedules OR exp reminder systems or exp parental notification OR exp guideline adherence OR alert* OR reminder* OR notification* OR recall* OR appointment*)

OR

(exp barrier* OR challeng* OR obstacle* OR adopt* OR attitude* OR behaviour*)

PubMed

(exp immunization OR exp immunization programs OR exp vaccination OR immuni* OR vaccin*)

877

AND

(exp appointments and schedules OR exp reminder systems OR exp parental notification OR exp guideline adherence OR alert* OR reminder* OR notification* OR recall* OR appointment*)

AND

(barrier* OR challeng* OR obstacle* OR adopt* OR exp attitude OR attitude OR behaviour)

EMBASE

(exp immunization/ OR immunization program OR exp vaccination/OR vaccin$ OR immuni$)

1291

AND

(exp reminder system/ OR exp parental notification/ OR guideline adher* OR appointment* OR schedul* OR remind* OR alert$ OR notif$ OR recall$ OR information technology OR exp information system/)

AND

(barrier* OR challeng* OR obstacle* OR adopt* OR attitud* OR behavio#r OR utili#ation* OR utili*)

TOTAL:

3227