Table 1.
Demographic Characteristics of the Sample
| Total Sample (n = 228 children) | ||
|---|---|---|
| Variable | N | % |
| Yearly household income (1991 – 1992)* | ||
| < $20,000 | 18 | 8.1% |
| $20,000 - $39,999 | 69 | 31.2% |
| $40,000 - $59,999 | 78 | 35.3% |
| > $60,000 | 56 | 25.3% |
|
| ||
| Highest level of education completed (mothers) | ||
| Did not graduate from high school | 4 | 1.8% |
| High school graduate | 50 | 22.7% |
| Vocational-technical school | 87 | 39.5% |
| College | 63 | 28.6% |
| Graduate/Professional school | 16 | 7.3% |
| Highest level of education completed (fathers) | ||
| Did not graduate from high school | 5 | 2.6% |
| High school graduate | 28 | 14.9% |
| Vocational-technical school | 71 | 37.8% |
| College | 58 | 30.9% |
| Graduate/Professional school | 26 | 13.8% |
|
| ||
| Type of chronic condition (children) | ||
| Developmental disability | 52 | 22.8% |
| Neurological | 49 | 21.5% |
| Cardiovascular | 30 | 13.2% |
| Pulmonary | 26 | 11.4% |
| Endocrine/Metabolic | 21 | 9.2% |
| Maxillofacial/Orthopedic | 19 | 8.3% |
| Ear, nose, and throat/Opthalmology | 11 | 4.8% |
| Hematology/Oncology | 10 | 4.4% |
| Gastroenterology/Urology/Nephrology | 10 | 4.4% |
| Infant Cohort (n = 142 children) | ||
|---|---|---|
| Variable | Mean | SD |
| Mother’s age at Time 1 | 31.6 years | 4.8 years |
| Father’s age at Time 1 | 34.7 years | 5.1 years |
| Child’s age at Time 1 | 16.1 months | 4.7 months |
| Preadolescent Cohort (n = 86 children) | ||
|---|---|---|
| Variable | Mean | SD |
| Mother’s age at Time 1 | 38.7 years | 4.8 years |
| Father’s age at Time 1 | 40.4 years | 5.2 years |
| Child’s age at Time 1 | 9.5 years | 0.7 years |
*
The counts for household income do not sum to 228 due to missing data for this variable