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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Ann Epidemiol. 2014 Mar 3;24(5):344–355. doi: 10.1016/j.annepidem.2014.02.008

Table A1.

Variables used in multiple imputation and estimation of treatment weights

Multiple imputation Treatment weights
Variables Years used Years used
Demographic
Sex 1997 1997
Age 1997, 2002, 2007 1997
Race 1997 1997
Family composition
Family size 1997, 2002
Head of household's marital status 1997
Number of parent figures/guardians lives with 1997, 2002, 2007 1997, 2002
Lives with a partner (age ≥ 18) 2007
Birth order to mother 1997
Sibling in 1997 CDS 1997
Family socioeconomic status & environment
Maximum of parents' years schooling at birth 1997
Maximum of caregivers' years schooling 1997, 2002 1997
Family poverty threshold 1996, 2002, 2006
ln(Family income-to-poverty ratio) 1996, 2002, 2006 1996, 2002
HOME scale 1997 1997
Neighborhood characteristics
Years lived in current neighborhood 1997, 2002
Rating of neighborhood as a place to raise children 1997, 2002 1997, 2002
Neighborhood dangerous to walk around alone after dark 1997, 2002
Geographical characteristics
Urbanicity 1997, 2001, 2003, 2007 1997
Region 1997, 2001, 2003, 2007 1997
Perinatal health
Birth weight 1997
Low birth weight 1997
Spent time in neonatal intensive care unit 1997
Primary caregiver's rating of health at birth 1997 1997
Current physical health and health care use
Primary caregiver's rating of health status 1997, 2002 1997, 2002
Self-rated health status 2002, 2007
Body mass index 1997, 2002, 2005 (TA), 2007 1997, 2002
Number of overnight hospital stays 1997, 2002, 2007 1997, 2002
Routine physician check-up in past 2 years 1997, 2002 1997, 2002
Primary caregiver’s self-rated health status 1997, 2002
Mental health and well-being
Children's Depression Inventory (age 12+) 2002, 2007 2002
K-6 Nonspecific Psychological Distress Scale (TA only; age 18+) 2005, 2007
Physician diagnosis of serious emotional disturbance 1997, 2002
Physician diagnosis of depression (TA only; age 18+) 2007
Global self-concept (CDS version; age 8+ in 1997, age 10+ in 2002, 2007) 1997, 2002, 2007
Global self-concept compared to others (TA version; age 18+) 2005, 2007
Emotional well-being subscale (age12+) 2002, 2007
Psychological well-being subscale (age 12+) 2002, 2007
Social well-being subscale (age 12+) 2002, 2007
Behaviors
Behavior Problems Index (age ≤ 19) 1997, 2002, 2007 1997, 2002
  Internalizing Behaviors subscale 1997, 2002, 2007
  Externalizing Behaviors subscale 1997, 2002, 2007
Categories of # arrests (age 12+) 2002, 2005 (TA),2007
Drunk driving past 6 mos (age 12+) 2007
Rode w/drunk driver past 6 mos (age 12+) 2007
How often wear seatbelt (age 10+) 2002
Did something dangerous past 6 mos just for thrill (TA only) 2005, 2007
Regular smoker (age 11+) 2002, 2007
Friend influences (CDS version; 9.5 ≤ age ≤ 19) 2002, 2007
Friend influences (TA version; age 18+) 2005, 2007
Friend influences (CDS & TA combined) 2007
Schooling
Years completed schooling 1997, 2002, 2007
Degrees completed 2007
Ever repeated a grade 1997 1997
Whether in school 2002, 2007 2002
Type of school 1997, 2002 1997, 2002
Changed school during current school year 1997, 2002 1997, 2002
Academic achievement
Academic achievement score 1997, 2002 1997, 2002
Primary caregiver's achievement score 1997 1997