Table 2.

Type of information and communication technology (ICT) used in each included study.

ICT intervention	Number of studies	Studies
Website	5	Balamuth et al [22]; Bell et al [23]; Schroter et al [17]; Sassen et al [24]; Wolpin et al [25]
Computer software	3	Bullard et al [26]; Butzlaff et al [27]; Jousimaa et al [28]
Web-based workshops	2	Epstein et al [20]; Fordis et al [29]
Computerized decision support system	2	Gill et al [30]; Peremans et al [31]
Electronic educational game	1	Kerfoot et al [21]
Email	2	Lobach [19]; Stewart et al [32]
Multifaceteda	6	Bernhardsson et al [33]; Chan et al [34]; Desimone et al [35]; McDonald et al [36]; Fretheim et al [18]; Shenoy [37]

^aMultifaceted intervention that consisted of at least one ICT component.