| Caused by Packaging features | Caused by characteristics of the elderly | |
| Package basic protection functions | Need some strength to open; Tight packaging seal | Decline in hand functions (strength, coordination & flexibility); Ageing; Chronic diseases |
| Package size | Large package size | |
| Package materials | Soft packaging material; Slippery package material; Hard or fragile material for package opening prompt position | |
| Package shape | Package shape is difficult to grasp | |
| Package opening settings | Fussy opening steps; Small and thin opening area | Decline in hand functions (strength, coordination & flexibility); Visual impairment; Poor observation and attention; Ageing; Chronic diseases |
| Packaging opening position is not obvious | Visual impairment; Poor observation and attention; Ageing; Chronic diseases | |