Factors influencing spiritual wellbeing among pancreatic ductal adenocarcinoma patients receiving chemotherapy

Table 4 Default values of independent variables for multivariable regression

Independent variable	Default value
Sex	Male = 1; female = 2
Education level	Primary school or below = 1; middle and high school = 2; technical and further education = 3; bachelor degree and above = 4
Household monthly income (Yuan)	< 1000 = 1; 1000-3000 = 2; 3000-5000 = 3; > 5000 = 4
Type of health insurance	Workers’ medical insurance = 1; new rural pension scheme = 2; urban medical insurance = 3; other = 4
Recurrence	Yes = 1; No = 2