Table 1.

Demographic Data

Percent female49.7
Child's age, mean y (SD)5.98 (2.89)
Maternal education, mean y (SD)14.37 (2.62)
Paternal education, mean y (SD)15.00 (3.72)
Race
 White77.7
 Black7.7
 Hispanic11.6
 Asian1.7
 Native American.5
 Other.7
Family income
 <10 0008.9
 10 000–15 0007.6
 15 000–25 0007.6
 25 000–35 00011.5
 35 000–45 00013.7
 45 000–60 00017.2
 60 000–80 00014.9
 >80 00018.6
Marital status
 Single8.9
 Married76.3
 Separated3.1
 Divorced10.9
 Widowed.9
Total n = 1114