Table 1.

Independent variables included in the regression analysis on health worker scores

Independent variable	Coding values
Age (x1)	Continuous
Gender (x2)	Female = 0, Male = 1
Level of Education
x31	Lower than junior high school = 0, Senior high (vocational) school = 1
x32	Lower than junior high school = 0, Associate degree = 1
x33	Lower than junior high school = 0, Bachelor degree or higher = 1
Monthly Income, Yuan (x4)	Below 1000 = 0, 1000-2999 = 1, 3000-4999 = 2, 5000 and above = 3
Professional Title
x51	No title = 0, Junior level = 1
x52	No title = 0, Middle level = 1
x53	No title = 0, Senior level = 1
Work Experience, Year (x6)	Below 9 = 0, 10-19 = 1, 20-29 = 2, 30 and above = 3
Area of Technologies
x71	Maternal and child care = 0, Public health = 1
x72	Maternal and child care = 0, Traditional Chinese medicine = 1
x73	Maternal and child care = 0, Family planning = 1
x74	Maternal and child care = 0, Chronic conditions = 1
Financial Incentives (x8)	No = 0, Yes = 1