Table 2 Features used in this study (each subset represents the features used in previous LBW classification studies).
Dataset name and authors | Classification/regression task | Total features | Feature names that were used in this study | Feature that were not available to us |
|---|---|---|---|---|
Subset-1; Hussain et al. 202011 | LBW classification | 445 samples with 18 features. Binary classification | Socioeconomic condition, age, height, BGroup, parity, antenatal check, initial weight of mother, final weight of mother (Last ANC), initial systolic blood pressure, initial diastolic blood pressure, final systolic blood pressure (Last ANC), final diastolic blood pressure (last ANC), initial hemoglobin level, final hemoglobin level (Last ANC), blood sugar (Random), TermPreterm Term: 37–40 weeks, preterm: < 37 weeks, sex, and weight | Socioeconomic condition, antenatal check, and blood sugar (random) |
Subset-2; Faruk et al. 201812 | Prediction and classification | 9 features including BW | Place of residence, time zone, wealth index, mother’s education, father’s education, age of mother, job of mother, and the number of children | Time zone, wealth index, and father’s job |
Subset-3; Khule et al. 201813 | SGA, AGA, and LGA classification | 30,705 pregnancy samples with complete information of all variables 23 features (Sociodemographic, pregnancy risk factors, past pregnancy history, current pregnancy) | Maternal age, common law/married, area-level income quintiles, urban residence, smoking before pregnancy, prepregnancy BMI [m/kg2], pre-existing hypertension, pre-existing diabetes, previous gestational diabetes, previous child with BW < 2500 g, previous child with BW > 4080 g, previous caesarean section, previous preterm delivery < 29 weeks, previous preterm delivery 29–32 weeks, previous preterm delivery 33–36 weeks, previous death of neonate ≥ 500 g, fetal male sex, weight gain at 26 weeks [kg], smoking during pregnancy, substance use during pregnancy, gestational diabetes, pregnancy-induced hypertension, and psychiatric disorder | Area-level income quintiles, urban residence, weight gain at 26 weeks [kg], smoking during pregnancy, substance use in pregnancy, pregnancy-induced hypertension, and psychiatric disorder |
Subset-4; Sethilkumar et al. 201514 | LBW classification | 11 features | years (age), the weight of the mother at her last menstrual period (LWT), the number of physician visits during the first trimester of pregnancy (FTV), race (RACE), lifestyle information, e.g., smoking (smoke), history of previous preterm delivery (PTL), the presence of uterine irritability (UI), and hypertension (HT) | Race and UI |
Subset-5; Loreto et al. 201915 | LBW classification | 9 features and 2328 instances | Multiplicity (whether the gestation is multiple) smoker, hypertension, diabetes, age, BMI, gestational age, fetus sex, and fetus weight | Multiplicity (when gestation is multiple) |
Subset-6; Kader and Nirmala 201416 | LBW | 20,946 instances, 11 features | Sex, wealth status, caste/tribe, age, education, BMI, stature, anemia level, interpregnancy interval, antenatal visits, and living place | Wealth status, caste/tribe, anemia level, and living place |