Table 3. Questionnaire Content Across Waves.

Waves I and II	Wave III	Wave IV
Demographic	Demographic	Demographic
Family, siblings, friends	Family, siblings, friends	Family, siblings, friends
Education, work	Education, work, military	Education, work, military (records)
Physical and mental health	Physical and mental health	Physical and mental health
Daily activities and sleep	Daily activities and sleep	Daily activities and sleep
Relationships	Relationships	Relationships
Sexual, & fertility histories	Sexual, & fertility histories	Sexual, & fertility histories
Substance use	Substance use	Substance use and abuse
Delinquency and violence	Involvement w/criminal justice system	Involvement w/criminal justice system
Attitudes, religion	Attitudes, religion	Work attitudes and characteristics, religion
Economics, expectations	Economics, expectations	Economics, expectations
Psychological, personality	Psychological, personality	Big 5 Personality, stressors
	Children and parenting	Children and parenting
	Civic participation	Civic participation
	Gambling	Cognitive function
	Mentoring	Psychosocial factors

Note: Bolded print indicates new survey content.