Variable Name	Description	Years Included
Demographics/PCG/resources
CH_AGE_02	Age of child in years as of 2002	2002, 2007
MALE	=1 if male child, 0 otherwise	2007
WHITE	= 1 if white ) otherwise	2007
FAM_INC_07	Family income, in $100,000’s (mean=.715, 25th percentile=.287, median=.535, 75th percentile=.920, std dev=.738	2007,2003
HL_CH_02	Does PCG report the child as having physical or mental health limits as of 2002? ( = yes)	2007
PCG_SMK_07	PCG reports being herself a smoker as of 2007	2007
PCG_ED_07	Years of schooling of PCG as of 2007 (1 – 16; 17 is past college)	2007
OCG_ED_07	Other caregiver’s (mostly the father or grandmother) years of schooling	2007
Exercise Variables
AL1 (02 and 07)	Active leisure of the child the average of a random weekday and a weekend day (narrow definition)	2007, 2002
AL2 (02 and 07)	Active leisure of the child (more inclusive definition)	2007, 2002
PL (02 and 07)	Passive leisure of the child	2007
PCG_SI_CH_97 and 02	Does the Primary Caregiver report being involved with the child’s sports and active leisure 1997 and 2002 (differing levels 0 – 4)	2007
PCG_EX_02	How frequently does the PCG exercise herself? (Never=1 … Several times a week =7)	2002
PCG_HPA_01	PCG report from PSID core on whether routinely engages in heavy physical activity	2001
YA_AL_0 - 3	Young adult (TA) reports no (0) to high (3) physical activity as of 2007	2007 (TA)