Table 2.

Results of Bivariate Analyses Exploring Factors Related to Underreporting of Peripheral Neuropathy and Peripheral Arterial Disease Among Adults With Unilateral Lower-Limb Loss Seeking Assessment for Prosthetic Needs (2013-2021).

Variable	Peripheral neuropathy (n = 78)		Peripheral arterial disease (n = 76)
	Odds ratio [95% CI]	P-value	Odds ratio [95% CI]	P-value
Demographics
Sex, male	0.6 [0.2, 2.4]	.268	2.3 [0.6, 9.1]	.249
Age, years	1.0 [0.9, 1.0]	.137*	1.0 [0.9, 1.1]	.787
Ethnicity, Hispanic/Latinx	0.7 [0.0, 12.1]	.824	0.3 [0.0, 3.4]	.320
Race, minority**	1.2 [0.5, 3.1]	.704	1.9 [0.4, 7.9]	.390
Education, >high school	0.8 [0.3, 2.2]	.703	1.2 [0.3, 4.7]	.769
Amputation-specific factors
Level of amputation, transtibial	0.5 [0.2, 1.4]	.170*	0.7 [0.2, 3.2]	.696
Cause of amputation, dysvascular	0.2 [0.1, 0.6]	.005*	0.4 [0.0, 3.2]	.374
Time since amputation, years	1.1 [1.0, 1.1]	.085*	1.1 [0.9, 1.4]	.458
Social characteristics
Living status, alone	3.6 [0.9, 14.1]	.062*	0.7 [0.1, 3.9]	.696
GPPAQ, inactive	0.6 [0.2, 1.7]	.354	1.1 [0.3, 4.8]	.880
Pain characteristics
Phantom sensation, yes	0.9 [0.3, 2.4]	.778	0.4 [0.0, 3.1]	.355
Phantom limb pain, yes	0.8 [0.3, 2.2]	.726	0.2 [0.0, 1.3]	.083*
Residual limb pain, yes	2.2 [0.8, 5.9]	.113*	0.7 [0.2, 2.5]	.540
Medical history
Number of medications	0.9 [0.8, 1.0]	.034*	0.8 [0.7, 1.0]	.048*
Opioid use, yes	0.6 [0.2, 1.6]	.283	0.4 [0.1, 1.5]	.155*
Gabapentinoid use, yes	2.1 [0.8, 5.4]	.126*	0.8 [0.2, 2.9]	.679

Note. CI = confidence interval; GPPAQ = General Practice Physical Activity Questionnaire.

^*Indicates variables included in multiple regression analysis (P ≤ .200).

^**Minority race defined as Native American/American Indian/Alaska Native, Asian, Native Hawaiian/Pacific Islander, and/or Black/African American.