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Table 2 General characteristics of the studies identified (n = 11)

From: What is the prevalence of current alcohol dependence and how is it measured for Indigenous people in Australia, New Zealand, Canada and the United States of America? A systematic review

Authors (year) Country Year/s data collected Indigenous people Target population Total Indigenous population size Indigenous sample size: n Study design
Prevalence studies (n = 9)
 Baxter et al. (2006) [32] NZ 2003–2004 Maori Maori adults nationally Not reported 2595 Cross-sectional survey
 Brave Heart et al. (2016) [21] USA 2001–2002 Native American and Alaskan Natives (NA/AN) USA adults for national census 5.2 million (in 2010) 701 Cross-sectional survey (census)
Gill et al. (1997) [24] USA Not reported Native Americans Native Americans living in Denver Not reported 105 Cross-sectional survey
 Grant et al. (2017) [31] USA 2012–2013 Native Americans USA adults Not reported Not reported Cross-sectional survey (census)
 Grant et al. (2004) [33] USA 1991–1992 Native American and Alaskan Natives (NA/AN) USA adults nationally Not reported Not reported Cross-sectional survey
 Kinzie et al. (1992) [25] USA 1988 (versus 1969) Native Americans One village in western USA 426 131 Cross-sectional survey
 Spicer et al. (2003) [28] USA 1997–1999 Native Americans Adults in Southwest and Northern Plains tribes; compared with data collected by the National Comorbidity Survey (NCS) Not revealed1 A2. 1446
B3. 1638
Cross-sectional survey
 Walls et al. (2020) [29] USA and Canada 2017–2018 American Indian and First Nations Communities Young adults from single Indigenous cultural group Not reported 453 Cohort study
 Whitbeck et al. (2006) [30] USA and Canada 2002–2003 American Indian and First Nations Communities Parents and caretakers from single Indigenous cultural group Not reported 861 Cross-sectional survey
Validation studies (n = 2)
 Robin et al. (2004) [26] USA 1989–1995 Native Americans Southwestern and Plains adults (location not specified) 8578 A4. 456
B5. 214
Validation study
 Saremi et al. (2001) [27] USA A6. 1991–1995
B7. 1991–1995
C8. 1992–1999
Native Americans Location not specified Not revealed1 A6. 307
B7. 275
C8. 2854
Validation study
  1. 1Withheld to protect the anonymity of the communities
  2. 2Southwest participants (Spicer et al.)
  3. 3Northern Plains participants (Spicer et al.)
  4. 4Southwestern participants (Robin et al.)
  5. 5Plains participants (Robin et al.)
  6. 6Psychiatric interview only (Saremi et al.)
  7. 7Both CAGE and psychiatric interview (Saremi et al.)
  8. 8CAGE questionnaire only (Saremi et al.)