Table 8.

Kano user requirements attribute assessment summary.

Requirement attribute	I	Q	A	M	R	O	User requirement
Indifferent	98	25	41	35	17	32	Easy maintenance
	86	18	52	43	21	28	Space saving
	119	26	32	27	23	21	Easy installation
Must-be	15	26	37	127	10	33	Safety
	32	44	26	104	17	25	Hygiene
	39	27	52	93	14	23	Durability
	18	19	25	126	23	37	Comfort
One-dimensional	19	22	67	35	21	84	Adjustable size
	47	35	27	29	15	95	Breastfeeding support
	21	27	39	54	33	74	Temporary storage
	13	21	43	39	29	103	Aesthetic design
Attractive	21	38	92	39	43	15	Charging ports
	31	42	74	45	19	37	Lumbar heating
	19	39	85	27	34	44	Soothing music
	13	33	121	39	18	24	emergency calls