Table 2.

Variable assignment

Variable	Evaluation
Gender	Male = 0, Female = 1
Educational background	Primary school and below = 0, Middle school = 1, Secondary school = 2, College and above = 3
Having partner	No = 0, Yes = 1
Duration of hemodialysis	1~4 years = 000, 5~7 years = 100, 8~15 years = 010, 16~21 years = 001
Terminated hemodialysis in advance in the past month	No = 0, Yes = 1
Vascular access condition	Autologous fistula = 00, Central cardiovascular = 10, Central venous catheter = 01
Having eaten during hemodialysis	No = 0, Yes = 1
Having hypotension during last hemodialysis	No = 0, Yes = 1
Current diabetes medication	Hypoglycemic agents = 0, Insulin = 1
Whether received health education on hypoglycemia	No = 0, Yes = 1
Whether measuring blood glucose regularly	Irregularly = 0, Regularly = 1
Having hyperglycemia on the latest hemodialysis night	No = 0, Yes = 1
Blood potassium	3.5~5.5mmol/L = 0, Disturbance of potassium metabolism (<3.5mmol/L or >5.5mmol/L) = 1
Blood phosphorus	0.81~1.45mmol/L = 0, Disturbance of phosphorus metabolism (<0.81mmol/L or >1.45mmol/L) = 1
Hemoglobin	Male: ≥120 g/L = 0, Anemia (<120 g/L) = 1 Female: ≥110 g/L = 0, Anemia (<110 g/L) = 1
Serum creatinine	Male: 53~106µmol/L = 0, <53µmol/L or >106µmol/L = 1 Female: 44~97µmol/L = 0, <44µmol/L or >97µmol/L = 1
Serum albumin	≥ 35 g/L = 0, <35 g/L = 1
Intact parathyroid hormone	150~300µg/L = 0, <150 µg/L or >300 µg/L = 1
Hypoglycemia during hemodialysis	No = 0, Yes = 1