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. Author manuscript; available in PMC: 2010 Oct 18.
Published in final edited form as: Dev Psychol. 2010 Jul;46(4):853–868. doi: 10.1037/a0019667

Table 2.

Sample Descriptive Statistics

Household risk trajectory group
Variable type None Low Moderate Moderate high High Very high Total sample
Demographic variables
    Gender (% female) 42 53 50 54 55 71 50
    Race/ethnicity (% Caucasian) 89 87 85 87 80 91 85
    Pubertal timing (% early) 22 22 25 26 27 27 24
Early childhood household risk variables
    % qualified for free or reduced lunch 0 12 36 65 88 100 41
    % parent with high school education or less 0 20 32 46 62 80 35
    % household structure 0 18 40 63 82 100 44
    % poor parent relationship quality 0 9 30 29 43 100 24
    % poor parent relationship quality with child 0 5 8 15 31 80 14
    % poor child relationship quality with mother 0 10 11 9 27 40 15
    % poor child relationship quality with father 0 8 13 21 39 80 19
    % parental substance use problems 0 35 61 72 81 100 53