Table 4:

Multivariable comparisons reflecting the associations of SCI-QoL Pain with outcomes

		NBSS (N = 1358)		NBSS-satisfaction (N = 1358)		SCI QoL Bladder Management Difficulties (N = 1355)
		Coefficient (95% CI)	p-value+	Coefficient (95% CI)	p-value+	Coefficient (95% CI)	p-value+
Intercept		25.0 (22.6, 27.4)	<.001	2.2 (1.9, 2.5)	<.001	58.6 (56.8, 60.5)	<.001
SCI-QoL Pain	Middle tertile (53.1 – 59.6)	1.5 (0.3, 2.7)	0.190	0.2 (0.1, 0.4)	0.020	1.4 (0.5, 2.3)	0.040
	Upper tertile (59.8 – 82.5)	3.8 (2.5, 5.0)	<.001	0.6 (0.4, 0.7)	<.001	2.4 (1.5, 3.4)	<.001
Primary bladder management	Chronic indwelling catheter	−7.1 (−8.5, −5.6)	<.001	−0.1 (−0.3, 0.0)	1.000	−2.7 (−3.8, −1.6)	<.001
	Surgery	−3.9 (−5.5, −2.2)	<.001	−0.7 (−0.9, −0.5)	<.001	−3.3 (−4.5, −2.0)	<.001
	Spontaneous voiding	4.2 (2.8, 5.6)	<.001	0.07 (−0.10, 0.23)	1.000	1.4 (0.4, 2.5)	0.131
Diagnosis	Paraplegia	2.2 (1.2, 3.3)	<.001	0.08 (−0.04, 0.21)	1.000	1.8 (1.0, 2.6)	<.001
Age 10 years*		−0.8 (−1.2, −0.4)	0.003	−0.06 (−0.11, 0.01)	0.297	−0.5 (−0.8, −0.2)	0.028
Gender	Male	−4.1 (−5.1, −3.0)	<.001	−0.2 (−0.3, −0.1)	0.030	−2.3 (−3.1, −1.5)	<.001
Years since SCI*		−0.3 (−0.8, 0.2)	1.000	−0.2 (−0.3, −0.1)	<.001	−0.5 (−0.8, −0.1)	0.226
BMI	≥30 kg/m2	1.9 (0.7, 3.0)	0.030	0.02 (−0.12, 0.16)	1.000	1.3 (0.4, 2.2)	0.096
Number of UTIs	1 – 3	2.9 (1.7, 4.1)	<.001	0.2 (0.1, 0.3)	0.098	1.2 (0.3, 2.1)	0.169
	4 or more	6.5 (5.1, 7.9)	<.001	0.6 (0.4, 0.7)	<.001	2.8 (1.7, 3.8)	<.001
Severe bowel dysfunction	NBD >14	1.1 (0.1, 2.1)	0.500	0.2 (0.0, 0.3)	0.107	1.1 (0.4, 1.9)	0.063
Education	Bachelor’s degree or higher	−0.9 (−1.9, 0.1)	1.000	0.1 (0.0, 0.2)	0.731	0.1 (−0.7, 0.9)	1.000

⁺p-values adjusted for multiple testing using the Bonferroni correction;

^*Age, years since injury were scaled by dividing by 10, thus 10 years becomes 1 year of change.

Abbreviation(s): SCI, spinal cord injury; BMI, body mass index; UTI, urinary tract infection