1.

数据变量格式

Variables in dataset

Variables	Character	Codes
Age (year)	Quantitate	Actual values
BMI (kg/m2)	Quantitate	Actual values
Nulliparity or not	Qualitative	1.Yes0.No
Bishop scores	Quantitate	Actual scores
Gestational weeks	Quantitate	Actual values
Premature rupture of membranes	Qualitative	1.Yes0.No
Polyhydramnios	Qualitative	1.Yes0.No
Oligohydramnios	Qualitative	1.Yes0.No
Prolonged pregnancy	Qualitative	1.Yes0.No
Gestational diabetes mellitus	Qualitative	1.Yes0.No
Hypertensive disorders complicating pregnancy	Qualitative	1.Yes0.No
Suspicious fetal distress	Qualitative	1.Yes0.No
Placental function declines	Qualitative	1.Yes0.No