Table 2. Rates of overdose.
| No. of overdoses | Person- years |
Overdose rate (and 95% confidence intervals) per 100,000 person years |
|||
|---|---|---|---|---|---|
|
|
|||||
| All a | Serious b | All a | Serious b | ||
| Total sample | 51 | 40 | 34362 | 148 (111-192) |
116 (83-155) |
| Age group (years) | |||||
| 18-44 | 15 | 11 | 9208 | 163 (91-255) |
119 (60-200) |
| 45-64 | 18 | 14 | 15219 | 118 (70-179) |
92 (50-146) |
| 65+ | 18 | 15 | 9935 | 181 (107-274) |
151 (85-236) |
| Gender | |||||
| Male | 21 | 17 | 13822 | 152 (94-223) |
123 (72-188) |
| Female | 30 | 23 | 20540 | 146 (99-203) |
112 (71-162) |
| History of depression diagnosis | |||||
| No | 25 | 20 | 25994 | 96 (62-137) |
77 (47-114) |
| Yes | 26 | 20 | 8368 | 311 (203-441) |
239 (146-354) |
| History of substance abuse diagnosis | |||||
| No | 45 | 35 | 32541 | 138 (101-182) |
107 (75-146) |
| Yes | 6 | 5 | 1821 | 329 (121-641) |
274 (89-562) |
a
Overdose defined as opioid-related overdose death, or non-fatal event defined as definite or probable opioid-related overdose (n=51).
b
Overdose defined as opioid-related overdose death, or serious non-fatal event (n=40).