Table 1 Descriptive statistics of infant maltreatment rates and perinatal risk factors
From: Identifying perinatal risk factors for infant maltreatment: an ecological approach
Variables | Min | Max | Mean | Standard Deviation | Skewness | Number of outliers | |
|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | Â | Lower | Upper |
Infant maltreatment rates | |||||||
Rate | 0.0 | 186.9 | 24.4 | 23.0 | 1.58 | 0 | 62 |
Transformed rate | 0.4921 | 5.2844 | 3.1190 | 0.8225 | -0.37 | 7 | 0 |
Perinatal risk factors: individual | |||||||
Gestation weeks <37 | 2.4 | 32.7 | 11.7 | 3.4 | 0.69 | 2 | 24 |
Birth weight <2500 g | 0.0 | 24.6 | 8.0 | 3.2 | 0.78 | 0 | 22 |
5-Minute APGAR Score <7 | 0.0 | 7.8 | 1.3 | 1.0 | 1.27 | 0 | 46 |
Prenatal care less than adequate | 0.4 | 57.1 | 23.4 | 11.4 | 0.40 | 0 | 0 |
Maternal age <20 | 0.0 | 39.3 | 14.9 | 7.6 | 0.10 | 0 | 3 |
Maternal education < HS | 0.0 | 80.3 | 25.0 | 14.0 | 0.40 | 0 | 8 |
Unmarried mother | 1.3 | 97.1 | 40.3 | 21.7 | 0.50 | 0 | 0 |
Three or more siblings | 0.0 | 32.2 | 9.4 | 4.4 | 1.32 | 0 | 62 |
Mother smoked during pregnancy | 0.0 | 46.2 | 9.4 | 6.6 | 1.15 | 0 | 31 |
Medicaid beneficiary | 0.7 | 94.8 | 48.7 | 21.1 | -0.34 | 0 | 0 |
Perinatal risk factors: composite | |||||||
Child_risk | 2.4 | 34.7 | 15.0 | 4.3 | 0.55 | 1 | 15 |
Composite_risk1 | 0.0 | 38.8 | 10.5 | 6.9 | 0.79 | 0 | 29 |
Composite_risk2 | 0.0 | 43.3 | 12.8 | 8.1 | 0.70 | 0 | 23 |