Caused by packaging features | Caused by characteristics of the elderly |
Package opening prompt settings without introduction | Decline in understanding abilities |
Package opening prompt settings description text or icon is too small | Visual impairment |
Low colour contrast between opening prompt description text and background | |
Package opening prompt settings are not obvious | Visual impairment; Poor observation and attention |
Unfamiliar packaging and unfamiliar packaging opening prompt setting | Low ability to accept new things; Poor memory; Low understanding abilities |