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

Table 4 Differences between groups in perceived economic QOL (raw person estimate)

Socio-demographics	Subgroups compared		Mean difference	p-value^b
	SG1	SG2^a	(SG2-SG1)
Age^c
	<54.9	≥54.9	0.62	0.002
Marital status
	Separated/divorced	Widowed	1.42	0.018
	Separated/divorced	Married	1.27	<0.001
	Single	Married	0.79	0.040
Current work status
	Unemployed	Homemaker	2.39	<0.001
	Unemployed	Retired	2.13	<0.001
	Unemployed	Employed for wages	1.70	<0.001
	Disability pension	Homemaker	2.17	<0.001
	Disability pension	Retired	1.91	<0.001
	Disability pension	Employed for wages	1.47	0.001

Notes. ^a SG = subgroup; ^b Tukey’s post-hoc honestly significant difference test; ^c median split

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