7 = ‘Strongly Agree’) based on the specific assessment criteria provided.
Major discrepancies in the scores were discussed and independently
reassessed. Domain scores were calculated as per the
AGREE II user’s manual, whereby a total quality score was obtained
for each domain by summing up the scores of each item.14 A
maximum possible score for each domain was calculated by multiplying
the number of appraisers by the number of items for that
domain and multiplying by seven (value for ‘strongly agree’). A
minimum possible score for each domain was calculated by multiplying
the number of appraisers by the number of items for that
domain and multiplying by one (value for ‘strongly disagree’). The
domain score was then standardised as a percentage using the following
formula:
rated by allocating a value from 1 to 7 (1 = ‘Strongly Disagree’;