Table 2. Individual cohort reports.
| Study | Cohort Type | Author Name | Year | T1 Age (y) | T2 Age (y) | Final Sample Size (n) | Follow-up Rate (%) | T1 Adolescent Behavioural Variable(s) | T2 Adult Outcomes | Stronger Capacity for Causal Inference |
| AHRS | Community cohort | Jackson | 2002 | 13–20 (mean 16.7) | 18–25 | 1,814 | 88 | AU frequency and heavy drinking | Au frequency and heavy drinking; regular and heavy tobacco smoking initiation and cessation | Yes |
| Alcohol Misuse Prevention Study | School cohort | Bingham | 2005 | 17–18 | 23–24 | 1,987a | Not clear | AU quantity and frequency, drunkenness, binge drinking, drinking consequences | AU quantity and frequency, drunkenness, bingeing, AU disorders, drinking consequences | No |
| Amsterdam Growth and Health Longitudinal Study | School cohort | Koppes | 2000 | 16 | 21 | 150 | 52 | Total and beverage specific AU quantity | Total and beverage specific AU quantity | No |
| Boston 13 year Longitudinal Project | School cohort | Stein | 1993 | 15– 18 | 26 | 785 | 79 | AU frequency | AU quantity and frequency. Cannabis and other drug use. Work-related variables | No |
| Cambridge Study of Delinquent Development | School cohort | Shepherd | 2004 | 16– 18 | 32 | 378b | 94 | Heavy weekly drinking | Illness and injuries | No |
| FinnTwin 16– 25 Study | National birth cohort | Viken | 2007 | 18 | 25 | 3,028c | 92 | Alcohol problems (Rutgers Alcohol Problem Index) | Alcohol problems (Rutgers Alcohol Problem Index) | No |
| Health in Transition Study | School cohort | Toumbourou | 2004 | 17– 19 | 21 | 1,596 | 48 | AU quantity (within recommended limits) | AU quantity (within recommended limits), alcohol related harms | No |
| Michigan Study of Adolescent Life Transitions | School cohort | Peck | 2008 | 18 | 21; 28 | 578 | 67 | AU | AU frequency and heavy drinking (intoxication) | No |
| Minnesota Longitudinal Study of Parents and Children | Local birth cohort | Englund | 2008 | 16 | 23; 26; 28 | 178d | Not clear | AU quantity | AU (quantity at 23, 26); AUD (DSM) at 28 | No |
| National Education Longitudinal Study | National school cohort | Chatterji | 2006 | 15– 16; 17– 18 | 26 | 7,604e | Not clear | AU any past month; heavy drinking | Graduated high school on time, diploma achievement, college entry, college graduation | No |
| NYLS | School cohort | Kandel | 1986 | 15– 16 | 24– 25 | 1,004 | 83 | Lifetime drinking ten times or more | Frequency of tobacco, alcohol, illicit drug use, prescription drug use, employment and family role measures, education, delinquency, physical and mental health | Yes |
| North Karelia Youth Project | School cohort | Paavola | 2004 | 15 | 21; 28 | 657; 640 | 73; 71 | AU frequency | AU, smoking, physical activity (all frequencies) | No |
| Oregon Adolescent Depression Project | School cohort | Rohde | 2001 | 15– 19 | 24 | 940f | 85 | AUD diagnosed, symptoms only or nonproblematic | AUD, substance use disorder, depression, anxiety (all DSM), daily smoking, borderline and antisocial personality disorder symptoms | No |
| Project Family | School cohort | Mason | 2008 | 16; 18 | 21– 22 | 313 | Not clear | AU frequency and quantity; heavy drinking | Major depressive disorder (DSM) | No |
| Young Adult Follow-up Study | School cohort | Donovan | 1983 | 15– 16 | 21– 22 | 403g | 93 | AU beverage specific and overall quantities, being drunk, negative consequences; years as a problem drinker | Problem drinker (intoxication frequency and negative consequences) | No |
| Youth Development Study | School cohort | McMorris | 2000 | 17– 18 | 22 | 780 | 78 | AU frequency | AU frequency; work hours | No |
| Unnamed | Local birth cohort | Wennberg | 2000 | 18 | 25; 36 | 212 | Not clear | AU quantity | Frequency of intoxication at 25, AU quantity at 36 | No |
| School cohort | Shope | 2001 | 15– 16 | 23– 24 | 4,403h | 100 | Alcohol use/misuse (four categories) | Serious motoring offences; serious car crashes | Yes | |
| School cohort | Repetto | 2004 | 14– 15 | 20– 21 | 458i | 67 | AU quantity | Depressive symptoms | No |
AA, alcohol abuse; AD, alcohol dependence; AHRS, Adolescent Health Risk Study; AU, alcohol use; AUD, alcohol use disorder.
a
Includes only not married/cohabiting young adults and sampled only those with a driving licence. Also partial overlap between this sample and Shope.
b
Men only.
c
Same-sex twins only.
d
Low income first born sample.
e
Various earlier data requirements met.
f
AUD at 18 excluded in analyses examining the course of AUD.
g
Previously participated in all four survey waves.
h
Excluded those not living with either parent and those already driving at study entry, and those who did not obtain a driving license during the study period.
i
Black only.