Table 1 Description of the 14 numerical predictor variables selected for predicting normal birth weight against low birth weight. For each variable, the mean and standard deviation (SD) is provided
From: Exploring parental factors influencing low birth weight on the 2022 CDC natality dataset
Category | Variable | Description | Mean ± SD |
|---|---|---|---|
Anthropometric | M_Ht_In | Maternal height (inches) | 64.2 (2.8) |
BMI | Body Mass Index | 27.5 (6.7) | |
PWgt_R | Pre-pregnancy weight (pounds) | 161.4 (41.4) | |
Paternal Factor | FAGECOMB | Parental age (years) | 32.0 (6.6) |
Maternal Factor | MAGER | Maternal age (years) | 29.8 (5.5) |
WTGAIN | Weight gain (pounds) | 29.3 (14.7) | |
CIG_0 | Daily cigarettes before pregnancy | 0.5 (3.1) | |
CIG_1 | Daily cigarettes during 1st trimester | 0.3 (2.3) | |
CIG_2 | Daily cigarettes during 2nd trimester | 0.2 (1.9) | |
CIG_3 | Daily cigarettes during 3rd trimester | 0.2 (1.8) | |
Previous Pregnancies | PRIORLIVE | Prior births now living (count) | 1.1 (1.2) |
PRIORDEAD | Prior births now dead (count) | 0.0 (0.2) | |
Prenatal care | PREVIS_REC | Number of prenatal visits (count) | 6.9 (1.8) |
PRECARE5 | Month prenatal care began | 2.8 (1.4) |