Table 4.

Ordinal logistic regression analysis of factors influencing the caregiver burden classification of caregivers of patients with ALS (n=120)

	Estimate	SE	Wald χ2	Df	P value	OR (95% CI)
AI score	0.301	0.135	5.005	1	0.025	1.351 (1.038 to 1.759)
(Level of disease knowledge=no knowledge)	−6.692	3.1475	4.521	1	0.033	0.305 (0.107 to 0.593)
(Level of disease knowledge=some knowledge)	0.344	1.5671	0.048	1	0.826	1.410 (0.065 to 30.421)
(Level of disease knowledge=good knowledge)						1

AI, Anxiety Index; ALS, amyotrophic lateral sclerosis.