Correlate as named by investigatorPeople investigatedFinding
Excessive drinking/drug abuse of someone near
18+ aged, general public, former province Kuopio, Finland, 1991-1996
Use of hypnotics
University undergraduates, Kuwait 2002
Drug Abuse
Chronic mental patients, USA,1981
Current drug use
Prostitutes and prostitute's clients, Yunnan, China, 2003, Thailand, 2007
Current drug use
18+ aged, Yunnan region, China, 2003
Hedonistic activities
People in transition, metropolis,USA, 1969
Smoking
Female, aged 50-69, United Kingdom, 1996-2001
Hookah smoking
Medical students, Teheran, Iran, 2011