Table 3 The top 20 features selected by the different approaches with bold text indicates commonly selected features.
Random survival forest relative importance | Statistical equivalent signature | Harrel’s C-index/Somers’ Dxy rank correlation | Lasso Cox coefficients/variable importance feature | Univariate Cox p-values |
|---|---|---|---|---|
Top 20 features | ||||
Systolic blood pressure | Systolic blood pressure | Systolic blood pressure | Waist-hip ratio | Systolic blood pressure |
Diastolic blood pressure | Body mass index | Diastolic blood pressure | Cardiovascular disease | Age |
Body mass index | Cardiovascular disease | Body mass index | Diabetes | Body mass index |
Waist-hip ratio | Age | Age | Job schedule | Waist-hip ratio |
Diabetes | Diabetes | Waist-hip ratio | Residence | Diastolic blood pressure |
Cardiovascular disease | Job schedule | Job schedule | Total household income | Total household income |
Age | Total household income | Working status | Alcohol Consumption | Job schedule |
Job schedule | Working status | Highest education level completed | Sex | Working status |
Working status | Total sleep time | Total household income | Depression | Cardiovascular disease |
Total household income | Ethnicity | Residence | Highest education level completed | Diabetes |
Residence | Waist-hip ratio | Total sleep time | Body mass index | Highest education level completed |
Total sleep time | Highest education level completed | Smoking status | Family history of hypertension | Residence |
Highest education level completed | Residence | Sex | Systolic blood pressure | Sex |
Family history of hypertension | Smoking status | Diabetes | Age | Smoking status |
Physical activity, quartiles | Marital status | Total physical activity time | Diastolic blood pressure | Total sleep time |
Smoking status | Alcohol consumption | Cardiovascular disease | Total physical activity time | Family history of hypertension |
Total physical activity time | Family history of hypertension | Alcohol consumption | Total sitting time | Total physical activity time |
Depression | Sex | Family history of hypertension | Ethnicity | Vegetable and fruit consumption |
Ethnicity | Physical activity, quartiles | Vegetable and fruit consumption | Working status | Alcohol consumption |
Sex | Diastolic blood pressure | Marital status | Vegetable and fruit consumption | Marital status |