Table 1.

Inclusion and exclusion criteria for the meta-analysis

Inclusion Criteria:

Publication date: January 1996 to December 2003. Comparison of a Web-based behavior or educational intervention, intended to influence behavioral change and/or self-efficacy health outcomes of participants compared to a non-Web-based method. Either randomized and controlled clinical trials or convenience samples Descriptive studies using a baseline and post study score(s) Clinic and clinic/home based studies Score of 12 or more on the Quality Rating Scale for the study (see Table 2).

Exclusion Criteria:

Publication date: prior to January 1996 Excluded studies: Non-Web-based Computer Assisted Instruction (CAI) studies Procedural methods citations (methods papers, non-implemented studies) Prospective non-implemented studies/citations Provider focused studies, no client participation Web site access only studies Professional practice studies Telephone based interventions Remote monitoring studies Interventions incorporating synchronous video communication Web-based intervention compared to another Web-based intervention Classroom or non-clinic/non-home location Score less than 12 on the Quality Rating Scale for the study (see Table 2).