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Table 1 Unweighted descriptive characteristics of analytic sample (N = 301)

From: Mechanisms linking teenage mothers’ educational attainment with self-reported health at age 50

  Mean or proportion SD
Self-reported general health at age 50 (1–5) 3.03 1.11
First birth prior to age 19 1.00  
Degree type attained by age 30   
 No degree 0.36  
 High school diploma or GED 0.64  
Potential mediators (age 40)   
Participant income (divided by $10,000) 1.71 1.70
Spouse/partner income (logged) 3.88 5.07
Frequency of vigorous exercise behaviour (0–4) 2.08 1.72
Background characteristics (age 14–22)   
Mothers' highest grade completed (0–19) 9.34 2.92
Enrolled in school at Wave 1 0.85  
AFQT aptitude percentile score at Wave 1 (0–100) 24.97 20.43
Highest grade expected to earn at Wave 1 (1–18) 12.65 2.14
Race/ethnicity   
 Black/Non-hispanic 0.46  
 Hispanic 0.26  
 Non-black/Non-hispanic 0.29  
Self-esteem score at Wave 2 (7–30) 20.74 3.70
Number of siblings at Wave 1 (0–19) 4.55 2.86
  1. GED General Education Development/High School Equivalency Certificate