Table 2.

Reference list of questionnaire.

	D. Ng et al. (1995) [11]		Kolich (2000) [17]		Kolich and White (2004) [18]		Smith el al (2006) [19]		Baba et al (2008) [20]
Seat Pan				Cushion Tailbone	Pressure
	Buttocks	Support			Ischial buttocks	Amount of support
					Thigh	Amount of support
					Cushion Lateral	Amount of support
	Seat Cushion	Firmness			Cushion	Firmness	Cushion	Firmness
			Cushion Tailbone	Comfort	Cushion Tailbone	Comfort
			Ischial	Comfort	Ischial	Comfort			Buttock	Comfort
			Thigh	Comfort	Thigh	Comfort			Thigh	Comfort
			Cushion Lateral	Comfort	Cushion Lateral	Comfort
					Overall Seat Cushion	Comfort
Seat Back					Back Tailbone	Pressure	Lumbar	Pressure
					Back lateral	Amount of support
					Upper-back	Amount of support			Upper-back	Support
	Lumbar	Support	Lumbar	Amount of support	Lumbar	Amount of support	Lumbar	Support	Lumbar	Support
	Seat back	Firmness			Seat back	Firmness
							Lumbar	Stiffness
							Backrest	Firmness
			Lumbar	Comfort	Lumbar	Comfort
			Upper-back	Comfort	Upper-back	Comfort
			Back Lateral	Comfort	Back Lateral	Comfort
			Back Tailbone	Comfort	Back Tailbone	Comfort
					Overall Seatback	Comfort
Overall					Overall Seat	Support
					Overall Seat	Comfort	Overall	Discomfort	Overall	Discomfort