Illness uncertainty, anxiety, and depression in primary glaucoma and associated influencing factors

Table 5 Variable assignments

Indicators	Variables	Assignments
Disease duration (months)	X1	< 1 = 0, 1-12 = 1, > 12 = 2
Insomnia	X2	No = 0, yes = 1
Monthly household income per capita (yuan)	X3	< 2500 = 0, 2500-5000 = 1, > 5000 = 2
Comorbid chronic conditions	X4	No = 0, yes = 1
MUIS (points)	X5	Continuous variable
HADS-A ≥ 8 or HADS-D ≥ 8	Y	No = 0, yes = 1

MUIS: Mishel Uncertainty in Illness Scale; HADS-A: Hospital Anxiety and Depression Scale-anxiety subscale; HADS-D: Hospital Anxiety and Depression Scale-depression subscale.