Study	Reason for exclusion
Abroms 2014	Individually tailored text messages. No specific targeting to ethnic minorities
Aghi 1984	Individual counselling available as part of the intervention. Not targeted to ethnic minority
Albright 2009	Not considered a mass media intervention
Albright 2012	Not considered a mass media intervention
Alcalay 1999	Before‐after assessment without control group
Bermejo 2012	Participants attended a group event before receiving the mass media component
Block 2004	Individually tailored content. Unclear targeting to ethnic minority
Brady 2010	Campaign targeted to a patient group
Bramley 2005	Individually tailored text messages based on initial counselling
Brimblecombe 2013	Protocol for a multi‐component store intervention. No relevant outcome measures
Brown 2012	Not considered a mass media intervention
Buis 2013	Retrospective analyses
Buller 2008	Intervention not clearly targeted to ethnic minorities
Burger 2003	Intervention focused on risk communication rather than disease prevention. Study not designed to show effect of a targeted approach
Burns 2010	Assessment of quit line calls from Latino compared to non‐Latino population before and after Spanish‐language campaign
Campbell 2004	Individually tailored newsletters
Campbell 2014	Repeated cross‐sectional surveys. No control group
Cantrell 2013	Experimental study of pictorial versus text‐only tobacco warning labels in different ethnic groups
Carlini 2008	Personal invitation letters to re‐enrol into counselling. Not considered a mass media intervention
Cessnun 2011	The target population is adolescents, secondarily their parents. Not considered a mass media intervention
Chang 2010	Not considered a mass media intervention
Chang 2014	As Chang 2010
Chhichhia 2011	Not considered a mass media intervention
Chung 2014	Before‐after assessment without control group
Collins 2014	Individually tailored text messages
Cummins 2015	Report on implementation and impact of tobacco quit line counselling services
Darity 1997	Results presented as repeated cross‐sectional surveys. Not relevant study design as analysed
Dedier 2014	Individually tailored automatic telephone coach
Dunton 2008	Individually tailored intervention components
Emmons 2003	Individually tailored intervention components. Not targeted to ethnic minorities
Ferguson 2015	Not any of the specified study designs
Fitzgerald 2009	No impact assessment reported
Foster 2014	Multicomponent store intervention. Mass media components only minor part of intervention. No clear targeting to ethnic minorities
Froelicher 2010	Not considered a mass media intervention
Fukuoka 2011	Individually tailored intervention components
Gans 2016	Multicomponent community intervention. Mass media components only minor part of intervention. No clear targeting to ethnic minorities
Gerber 2009	Not considered a mass media intervention
Gerber 2013	Not considered a mass media intervention
Gittelsohn 2012	Multicomponent store intervention. Mass media components only minor part of complex intervention
Gittelsohn 2013	As Gittelsohn 2012
Glover 2013	Protocol. Not considered a mass media intervention. Before‐after assessment without control group
Graham 2012	Description of programme development and click‐through rates for different online advertisements
Gray 2012	Protocol. Not considered a mass media intervention
Grigg 2008	Interrupted time series study with 2 data points before the intervention and 2 after
Hammerback 2012	Not considered a mass media intervention. Before‐after assessment without control group
Hanson 2012	Description of programme development and user's opinion of campaign
Henderson 2012	Individually tailored content. Patient education
Hind 2010	Protocol. Study does not evaluate the effect of the mass media component
Ho 2008	Community intervention with many intervention activities involving several institutions. Mass media component smaller part of complex intervention compared to no intervention
Houry 2010	Written information targeted to problem behaviours or life situations, not to ethnic minority characteristics
Huang 2015	Intervention not targeted to ethnic minorities. Not any of the specified study designs
Irvine 2004	Individually tailored, interactive multimedia programme. Unclear targeting to ethnic minorities
Ivers 2006	Content of intervention not identical in the 3 intervention sites
Jantz 2002	Interactive education programme
Jason 1988	The whole population exposed to the mass media component (not described as targeted). Study designed to evaluate the effect of extended community outreach to ethnic minority group
Jenkins 1997	Controlled before‐after study with only 1 intervention site and 1 control site
Joseph 2014	Individually tailored content through interaction and contact with project staff. Mass media component (in control group) not targeted to ethnic minorities
Joseph 2015	Before‐after assessment with no control group
Kandula 2014	Not considered a mass media intervention
Kim 2013	Text messages sent with a possibility to reply and receive answers
Kreuter 2004	Individually tailored women's magazines based on baseline questionnaire
Kreuter 2005	Individually tailored women's magazines based on baseline questionnaire
LaChausse 2012	Intervention not targeted to ethnic minorities. Individual feedback
Larsen 2014	Individually tailored content and counselling. Before‐after without control group
Larson 2009	Community intervention study with many intervention activities on different levels. Time series data with 5 measurement points and gradual implementation of the intervention
Lee 2011	Mass media component (in control group) not targeted to ethnic minorities
Li 1984	Non‐randomised controlled trial with 4 arms. 1 site each for 2 of the arms. Alternating 2 interventions every other week in a third site
Linares 2013	Before‐after assessment without control group
Lipkus 1999	Not considered a mass media intervention
Ma 2004	Description of programme and campaigns. No impact assessment
Mackey 2015	Individually tailored content and counselling. Adapted to characteristics of college life, not ethnicity
Magoc 2009	Individually tailored, interactive computer programme
Marin 1990	Interrupted time series study with 2 data points before the intervention and 2 after
Marin 1994	Interrupted time series study with 2 data points before the intervention and 1 after
McAlister 1992	Non‐randomised controlled trial with 2 intervention sites and 1 control site
McDonnell 2011	Study of a culturally adapted self‐help smoking cessation programme delivered either as an interactive web‐programme or as booklets
Mead 2013	Community intervention with many intervention activities involving several institutions. Mass media component smaller part of complex intervention compared to no intervention
Mhurchu 2007	Pilot study. Description of recruitment and data collection methods
Mhurchu 2010	Nutrition education material tailored to individual shopping preferences in addition to cultural targeting
Migneault 2012	Individually tailored, interactive automatic telephone counselling. Can be considered as patient education
Moskowitz 2016	Not considered a mass media intervention
Muñoz 1997	Study of the effect of adding a mood management programme to a culturally adapted smoking cessation self‐help programme
Muñoz 2006	Describes 4 studies, including 2 RCTs. Smoking cessation programme with individual tailoring
Nollen 2007	Not considered a mass media intervention
Orleans 1998	Participants randomised to different formats of individual telephone counselling
Patten 2010	Not considered a mass media intervention
Patten 2012	Description of a research programme. No impact assessment data presented
Pekmezi 2010	Individually tailored feedback delivered via Internet or print
Perez 2009	Not considered a mass media intervention
Reininger 2015	Multicomponent community intervention. Mass media components only minor part of intervention. Not any of the specified study designs
Resnicow 1997	Not considered a mass media intervention
Resnicow 2000	Not considered a mass media intervention
Resnicow 2001	Not considered a mass media intervention
Resnicow 2002	Not considered a mass media intervention
Resnicow 2005	Not considered a mass media intervention
Resnicow 2008	Not considered a mass media intervention
Resnicow 2009	Individually tailored newsletters
Rimmer 2009	Mass media component (in control group) not targeted to ethnic minorities
Romero 2012	Before‐after assessment without control group
Schlundt 2009	Community intervention study with many intervention activities on different levels. Time series data with 5 measurement points and gradual implementation of the intervention
Scisney‐Matlock 2012	Individually tailored, interactive computer programme with e‐mail feedback
Shaikh 2011	Not considered a mass media intervention
Shakeshaft 2014	Community intervention with many components and intervention activities, including social marketing campaigns. Whole population approach, including aboriginal communities. Not specific targeting to and impact assessment in ethnic minority groups.
Sharma 2010	Description of programme and activities. No impact assessment
Shea 1996	Description of programme and activities. No impact assessment
Skewes 2007	Not considered a mass media intervention
Steinberg 2013	Personal contact with research team through text‐messages and email
Stevens 2002	Before‐after assessment without control group
Streja 2014	The main aim of the study was to reduce secondhand smoke exposure among children with asthma
Swartz 2006	Individually tailored web‐based smoking cessation programme
Taylor 2010	Before‐after assessment without control group
Thomas 2010	Evaluation of intervention without control group
Vallone 2011	Before‐after assessment without control group
Webb 2010a	Experimental study of health risk communication with different message content and culturally specific framing
Wetter 2007	Mass media used to create awareness of Spanish‐language smoking cessation services. Study of different formats of quit line counselling
Whitehead 2007	Individually tailored print material
Wilson 2005	Study compares the number of calls to quit line services after different campaigns, including 1 designed for Māori audience. Not relevant study design
Wilson 2010	Cluster‐randomised trial with 3 arms. Only 1 site per arm
Wilson 2014	Individually tailored, interactive computer programme. Feasibility study without control group
Withall 2012	Controlled before‐after study with only 1 intervention site and 1 control site. Not targeted to ethnic minority
Wolf 2009	Not considered a mass media intervention
Wright 2013	Individually tailored automated interactive voice response telephone counselling
Zhu 2012	Not considered a mass media intervention