Table 1 Features selected by sequential-backward feature selection and domain experts
No | Chi_best | Mi_best | SFFS | SBFS |
|---|---|---|---|---|
Features Selected by Feature Selection Methods | ||||
1 | Maternal age | Maternal age | ever-married sample | Community health insurance |
2 | Literacy | Preterm | currently pregnant | Smokes cigarettes |
3 | frequency of reading newspapers or magazine | highest educational level | current contraceptive method | Region |
4 | Family size | Religion | current use by method type | Type of cooking fuel |
5 | Wealth index | Ethnicity | heard family planning on radio last few months | Wealth index |
6 | Preterm | Family size | heard family planning on TV last few months | Current contraceptive method |
7 | current contraceptive method | frequency of listening to the radio | heard family planning in newspaper/magazine last few months | Hemoglobin level |
8 | current use by method type | type of cooking fuel | visited health facility last 12 months | Occupation |
9 | visited health facility last 12 months | wanted last children | Smokes pipe full of tobacco (women) | Maternal age |
10 | currently breastfeeding | currently breastfeeding | Chews tobacco | Marital status |
11 | when children put to the breast | Hemoglobin level | smokes other | Anemia level |
12 | Chews tobacco | anemia level | Community health insurance | Chews tobacco |
13 | smokes other nicotine | Marital status | Health insurance type: provided by the employer (women) | Place of residence |
Accuracy | 84.43 | 85.32 | 85.5 | 90.5 |
Features Selected by Domain Experts | ||||
14 | Preterm | |||
15 | Highest educational level | |||
16 | Visited health facility last 12 weeks | |||
17 | Birth interval | |||