Table 1.

Demographic and clinic data of participants

	Reliability study (n = 30)	Validity study(n = 185)
Age	38.47 ± 4.43	42.73 ± 6.31
Women	15	100
Men	15	85
Body mass indeksi	26.71 ± 3.2	27.3 ± 2.9
Pain duration (month)	34.7 ± 20	36 ± 22
NDI	36.4 ± 20.1	37.5 ± 22.4