Primary and secondary outcomes (N = 65 participants).

OR = odds ratio; CI = confidence interval; †Adjusted for type of strata and tracer-intervention; pack A = systematic review; pack B = systematic review with summary-of-findings table; pack C = ‘graded-entry’ format (a ‘front-end’ summary of key information linked to a short contextually framed narrative report and full systematic review); p-values - values for tests of significance of joint association between the summary formats and outcomes.