Health problems, then, were the most likely to constrain the mobility of older people who become frail, but cost, availability, suitability and safety concerns were found to impact more on older people who were frail than on those who were not frail. As a consequence of problems in getting about, those in the frail group were more likely, when compared with the non-frail group, to face problems carrying out the following activities: paying bills and banking; getting medical, dental or optical services; visiting the hairdresser; visiting libraries and participating in cultural activities; and voluntary work. Perhaps most importantly, shopping (44.3% of the frail group compared with 6.5% of the non-frail group) and visiting friends (41.4% of the frail group compared with 5.5% of the non-frail group) were among the key activities affected