TABLE 1

Demographic Characteristics of Study Participants (N = 4890)

DomainIntervention (N = 2639), n (%)Control (N = 2251), n (%)
Age, y
    2–51373 (53.4)1269 (58.3)
    6–111200 (46.6)907 (41.7)
Male gender1262 (41.9)1110 (49.3)
Adults in the home
    2 parents1921 (74.6)1592 (72.2)
    1 parent648 (25.2)598 (27.1)
    Other5 (0.2)14 (0.6)
Income
    <$40 000/y896 (37.7)883 (43.8)
    $41 000–$80 000/y753 (31.7)678 (33.6)
    >$80 000/y725 (30.5)457 (22.7)
Race/ethnicity
    Black329 (13.7)244 (11.8)
    Latino376 (15.7)462 (22.3)
    White1497 (62.6)1220 (58.9)
    Other189 (8.0)146 (7.0)
Maternal education
    Less than high school229 (8.9)232 (10.6)
    More than high school and less than college graduate1388 (54.1)1271 (58.0)
    College graduate or more945 (36.9)687 (31.4)
Respondent
    Mother2346 (89.2)2005 (89.5)
    Father211 (8.0)163 (7.3)
    Other73 (2.8)72 (3.2)