Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:showed that individuals who had previously experienced fractures (vertebral, hip, and wrist fractures) had health utility scores broadly consistent with those from the present study, whereas the health utility scores for patients without fractures appeared to be somewhat better [29].
Category: