Table 2.
Estimated growth rates of opioid-related overdose mortality for AI/AN population by age groups between 1999–2021.
| Hispanic Origin | Age Groups | Change Points (years) | Time Segments | Growth Rate |
|---|---|---|---|---|
| (95% CI) | ||||
| AI/AN Overall | 15–24 years | 2015, 2018 | 1999–2015 | −0.07 (−0.26, 0.12) |
| AI/AN Overall | 15–24 years | 2015, 2018 | 2015–2018 | 0.76 (0.21, 1.30) |
| AI/AN Overall | 15–24 years | 2015, 2018 | 2018–2021 | 3.44 (2.57, 4.31) |
| AI/AN Overall | 25–34 years | 2013, 2019 | 1999–2013 | 0.51 (0.32, 0.71) |
| AI/AN Overall | 25–34 years | 2013, 2019 | 2013–2019 | 1.22 (0.57, 1.87) |
| AI/AN Overall | 25–34 years | 2013, 2019 | 2019–2021 | 12.8 (10.88, 14.72) |
| AI/AN Overall | 35–44 years | 2019 | 1999–2019 | 0.58 (0.42, 0.75) |
| AI/AN Overall | 35–44 years | 2019 | 2019–2021 | 11.76 (8.7, 14.8) |
| AI/AN Overall | 45–54 years | 2006, 2020 | 1999–2006 | 1.36 (0.38, 2.34) |
| AI/AN Overall | 45–54 years | 2006, 2020 | 2006–2020 | 0.28 (−0.13, 0.42) |
| AI/AN Overall | 45–54 years | 2006, 2020 | 2020–2021 | 14.7 (11.6, 17.8) |
| AI/AN Overall | 55–64 years | 2009, 2016, 2020 | 1999–2009 | −0.6 (−1.73, 0.53) |
| AI/AN Overall | 55–64 years | 2009, 2016, 2020 | 2009–2016 | 0.75 (0.45, 1.05) |
| AI/AN Overall | 55–64 years | 2009, 2016, 2020 | 2016–2020 | 0.0 (−1.13, 1.13) |
| AI/AN Overall | 55–64 years | 2009, 2016, 2020 | 2020–2021 | 13.7 (11.44, 15.96) |
| AI/AN non-Hispanic | 15–24 years | 2015, 2018 | 1999–2015 | −0.05 (−0.33, 0.24) |
| AI/AN non-Hispanic | 15–24 years | 2015, 2018 | 2015–2018 | 1.04 (−0.53, 2.6) |
| AI/AN non-Hispanic | 15–24 years | 2015, 2018 | 2018–2021 | 5.25 (3.69, 6.81) |
| AI/AN non-Hispanic | 25–34 years | 2019 | 1999–2019 | 1.18 (0.98, 1.38) |
| AI/AN non-Hispanic | 25–34 years | 2019 | 2019–2021 | 19.25 (16.11, 22.39) |
| AI/AN non-Hispanic | 35–44 years | 2019 | 1999–2019 | 1.2 (0.91, 1.48) |
| AI/AN non-Hispanic | 35–44 years | 2019 | 2019–2021 | 20.55(15.3, 25.8) |
| AI/AN non-Hispanic | 45–54 years | 2017, 2019 | 1999–2017 | 1.08 (0.87, 1.29) |
| AI/AN non-Hispanic | 45–54 years | 2017, 2019 | 2017–2019 | −1.31 (−3.8, 1.19) |
| AI/AN non-Hispanic | 45–54 years | 2017, 2019 | 2019–2021 | 24.02(19.04, 29.0) |
| AI/AN non-Hispanic | 55–64 years | 2009, 2013, 2019 | 1999–2009 | −0.96 (−4.42, 2.5) |
| AI/AN non-Hispanic | 55–64 years | 2009, 2013, 2019 | 2009–2013 | 1.56 (0.46, 2.66) |
| AI/AN non-Hispanic | 55–64 years | 2009, 2013, 2019 | 2013–2019 | 0.31 (−0.15, 0.76) |
| AI/AN non-Hispanic | 55–64 years | 2009, 2013, 2019 | 2019–2021 | 18.62 (15.15, 22.09) |
Results in this table were obtained from segmented time series analyses using CDC WONDER data. The table presents identified years with statistically significant changes in the estimated growth rate of OOD mortality for American Indian or Alaska Native (AI/AN) irrespective of Hispanic origin (AI/AN overall), and AI/AN with non-Hispanic origin. Similar analyses could not be conducted for the AI/AN Hispanic population due to data suppression.