Socioeconomic Factors in Patients with Ulnar Nerve Compression at the Elbow: A National Registry-Based Study

Table 2

Linear regression model analyzing the effect of socioeconomic factors on postoperative QuickDASH scores at 12 months in cases surgically treated for ulnar nerve compression at the elbow.

	Model 1; Unadjusted B-coefficient (95% CI)	value	Model 2; Adjusted B-coefficient (95% CI); (adjusted for age, sex, and diabetes)	value	Model 3; Adjusted B-coefficient (95% CI); All variables included	value
Age at surgery (years)	0.08 (-0.11-0.27)	0.41	0.12 (-0.08-0.31)	0.24	0.30 (-0.09-0.68)	0.13
Sex (male is reference)	8.96 (3.39-14.5)	0.002	9.6 (3.96-15.3)	0.001	8.96 (2.17-15.75)	0.01
Diabetes at surgery	1.30 (-7.16-9.77)	0.76	2.15 (-6.34-10.6)	0.62	0.60 (-8.43-9.64)	0.90
Marital status
Not married (reference)
Married	1.29 (-5.27-7.84)	0.70	-0.32 (-7.59-6.94)	0.93	-3.8 (-12.2-4.6)	0.37
Divorced	-2.46 (-10.7-5.81)	0.56	-5.45 (-14.5-3.61)	0.24	-12.6 (-22.6-2.6)	0.014
Widowed	12.6 (-1.51-26.7)	0.08	7.77 (-8.10-23.7)	0.34	1.42 (-14.7-17.6)	0.86
Level of education
Low (reference)
Middle	-4.80 (-12.0-2.42)	0.19	-4.0 (-11.3-3.3)	0.28	-0.91 (-9.1-7.3)	0.83
High	-12.5 (-20.6-4.4)	0.003	-12.3 (-20.4-4.2)	0.003	-7.62 (-16.8-1.57)	0.10
Earnings (mean/year)
≤39,100 (reference)
39,200-183,100	-3.29 (-11.17-4.60)	0.41	-4.13 (-12.0-3.73)	0.30	-7.1 (-19.7-5.52)	0.27
183,200-280,700	-10.2 (-18.2-2.22)	0.12	-10.5 (-18.5-2.54)	0.01	-6.16 (-19.0-6.70)	0.35
>280,800	-15.0 (-23.0-7.0)	<0.0001	-13.8 (-21.8-5.76)	0.001	-8.45 (-21.1-4.19)	0.19
Migrant status
Born in Sweden (reference)
Born outside of Sweden	5.08 (-2.72-12.89)	0.20	5.96 (-1.76-13.7)	0.13	0.16 (-10.2-10.6)	0.98
Occupation
Nonmanual (reference)					-3.13 (-10.1-3.84)	0.38
Manual	-2.21 (-8.19-3.77)	0.47	-1.51 (-7.47-4.44)	0.62	-3.13 (-10.1-12.3)	0.38
Sick leave
0 days (reference)
1-13 days	-14.0 (-23.45-4.58)	0.004	-11.2 (-20.8-1.61)	0.02	-7.2 (-18.0-3.79)	0.20
14-38 days	-3.84 (-13.76-6.08)	0.45	-1.80 (-11.9-8.3)	0.73	0.68 (-10.9-12.3)	0.91
>39 days	4.27 (-6.18-14.72)	0.42	7.82 (-3.13-18.8)	0.16	11.9 (-0.88-24.7)	0.068
Unemployment
Mean days/year	-0.14 (-0.14-0.11)	0.82	0.078 (-0.057-0.213)	0.26	-0.16 (-0.17-0.14)	0.83
Social assistance
Never received (reference)
Received once	3.46 (-6.07-12.99)	0.48	4.02 (-5.5-13.6)	0.41	3.66 (-7.40-14.71)	0.52
Received more than once	5.53 (-0.91-12.0)	0.09	6.05 (-0.53-12.6)	0.07	3.15 (-5.64-11.93)	0.48