Independent risk factors for depression in older adult patients receiving peritoneal dialysis for chronic kidney disease

Table 3 Influencing factor assignments

Factors	Assignment
Years of schooling	> 6 yr = 0, < 6 yr = 1
BDI-II	< 14 score = 0, ≥ 14 score = 1
SAS	< 50 score = 0, ≥ 50 score = 1
PSQI	< 16 score = 0, ≥ 16 score = 1
DM	No = 0, yes = 1
CVD	No = 0, yes = 1
Albumin	≥ 35 = 0, < 35 = 1
Hemoglobin	< 110 = 1, ≥ 110 = 1

BDI-II: Beck Depression Inventory-II; SAS: Self-Rating Anxiety Scale; PSQI: Pittsburgh Sleep Quality Index; DM: Diabetes Mellitus; CVD: Cardiovascular Disease.