Table 2.

Most frequent problems encountered

% UsingMost frequent problemsUsers have these problemsDifficult index
Oral100Blister: pushing out pills73,752,22
Eye drops52,5Open thin stoppers78,751,51
Topicals33,75Cannot open the top (safety lock)70,51,4
Inhaler16,25Cannot spray/push the inhaler851,71
  • 4 = most difficult.