From: Recent changes in trends of opioid overdose deaths in North America
Country and province | Data availability | Pearson correlation coefficient: pre-change in S-DDD of prescription opioidsa | Pearson correlation coefficient: post change in S-DDD of prescription opioidsb | ||||
---|---|---|---|---|---|---|---|
Estimate | (95% CIs) | P value | Estimate | (95% CIs) | P value | ||
Canada | |||||||
Ontarioc,d | 2003–2015 | 0.922 | (0.553, 0.988) | 0.003 | 0.760 | (−0.135, 0.972) | 0.080 |
British Columbiac,e | 2001–2015 | −0.288 | (−0.799, 0.465) | 0.452 | 0.730 | (−0.200, 0.968) | 0.100 |
United Statesd | 2001–2015 | 0.989 | (0.957, 0.997) | < 0.001 | −0.985 | (−1.00, − 0.442) | 0.002 |