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