Table 1.
Variables considered for inclusion in analyses
| Infant Characteristics |
| Age at assessment |
| Gender |
| Number of illnesses |
| Number of injuries |
| Number of hospitalizations |
| Current Maternal Characteristics |
| Age |
| Race |
| Education |
| Marital status |
| Work status |
| Social support |
| Depression |
| Height |
| Current Environmental Characteristics |
| Number of children in the household |
| Adult male in the household |
| PROCESS developmental stimulation |
| Family income |
| Adequacy of the BSIDa |
| Current Substance Use |
| Cocaine |
| Alcohol |
| Tobacco |
| Marijuana |
| Other illicit drugs |
| Prenatal Substance Use (for each trimester) |
| Cocaine |
| Alcohol |
| Tobacco |
| Marijuana |
| Other illicit drugs |
IBR judgement of test as being indicator of child’s characteristics