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Summary of user requirements and mentions.
| User requirement | Number of mention | Frequency proportion |
|---|---|---|
| Comfort | 146 | 91 % |
| Safety | 140 | 88 % |
| Hygiene | 139 | 87 % |
| Breastfeeding support | 134 | 84 % |
| Adjustable size | 133 | 83 % |
| Aesthetic design | 126 | 79 % |
| Charging ports | 121 | 76 % |
| Temporary storage | 115 | 72 % |
| Durability | 114 | 71 % |
| Emergency calls | 106 | 66 % |
| Space saving | 101 | 63 % |
| Lumbar heating | 94 | 59 % |
| Soothing music | 91 | 57 % |
| Easy maintenance | 85 | 53 % |
| Easy Installation | 82 | 51 % |
