Development of a short scale for assessing economic environmental aspects in patients with spinal diseases using Rasch analysis

Table 1 Demographic characteristics of the calibration sample

Variable		Total Sample (N = 325)
Age^a	<54.9^b	162
	≥54.9^b	163
Gender	female	199
	male	126
Type of admittance	out-patients	240
	in-patients	85
Diagnosis	lumbal stenosis	90
	lumbal disc herniation	57
	cervical disc herniation	22
	cervical myelopathy	22
	cervical and lumbal	19
	fracture/trauma	15
	discitis/spondylodiscitis	14
	cervical stenosis	12
	thoracic	11
	tumor	9
	ambiguous	54
Marital status	married	181
	single	51
	separated/divorced	41
	living with partner	25
	widowed	23
	declined to respond	4
Current work status	employed for wages	151
	retired	79
	disability pension	33
	unemployed	27
	homemaker	22
	vocational training/studies	4
	partial pension	2
	decline to respond	7

ISSN: 1477-7525