Table 3: The 8 rules identified by the RuleFit method.

From: A Comparison of Rule-based Analysis with Regression Methods in Understanding the Risk Factors for Study Withdrawal in a Pediatric Study

Rule 1 (risk increasing rule)Rule 2 (risk increasing rule)
Maternal age <27.5 Finland = NOSmoker during pregnancy = YES Accurate risk perception = NO State anxiety inventory score >45
Rule 3 (risk increasing rule)Rule 4 (risk increasing rule)
State anxiety inventory score >45 Dad participation = NOMaternal age <27.5 Accurate risk perception = NO Alcohol consumption in last trimester <2 times per month
Rule 5 (risk decreasing rule)Rule 6 (risk decreasing rule)
Worked all trimesters = YES Smoker during pregnancy = NOFinland = NO Alcohol consumption in last trimester >0 Number of negative events <2
Rule 7 (risk decreasing rule)Rule 8 (risk decreasing rule)
Smoker during pregnancy = NO State anxiety inventory score < 45 Number of missing data points < = 1Maternal age > 27.5 Smoker during pregnancy = NO Number of missing data points < = 1