A systematic review and narrative synthesis of group self-management interventions for adults with epilepsy

BMC Neurology

Table 2 Quality ratings and risk of bias

Study	Quality appraisal					Risk of bias appraisal
Study	Trial design	Participants	Intervention	Outcomes	Total (max 8)	Sequence generation	Risk of bias	Allocation concealment	Risk of bias
Aliasgharpour et al. [33]	1	1.75	2	2	6.75	Random number table	Low	Not described	Unclear
Au et al. [37]	0.75	2	2	2	6.75	Matched design	Unclear	Not described	Unclear
Fraser et al. [35]	1.75	2	1.75	2	7.5	Random number generator	Low	Not described	Unclear
Helde et al. [29]	1.25	2	2	2	7.25	Computer-generated block randomisation	Low	Research assistant blinded	Low
Ibinda et al. [34]	1.25	1.25	0.5	1.5	4.5	Computer-generated randomisation	Low	Not described	Unclear
Losada-Camacho et al. [28]	2	2	1.75	2	7.75	Drawing of ballot papers	Low	Sequentially numbered, opaque, sealed envelopes	Low
Lundgren et al. [30]	1	2	2	2	7	Computer-generated randomisation	Low	Not described	Unclear
May and Pfafflin. [15]	1.25	2	0.75	1.5	5.5	Not described	Unclear	Not described	Unclear
McLaughlin and McFarland [32]	1	1.75	2	2	6.75	Computer-generated randomisation	Low	Not described	Unclear
Olley et al. [36]	1.5	2	1.25	1.75	6.5	Alternate clinic visit	High	Not described	Unclear
Pramuka et al. [31]	1.5	2	2	2	7.5	Random number table	Low	Consecutively numbered, sealed envelopes	Low

ISSN: 1471-2377