Table 3.
Annual numbers of non-fatal self poisonings (Oxford, Manchester, and Derby combined) due to specific drug categories, and percentage change in number of overdoses. Values are percentage change in numbers (95% confidence intervals) unless stated otherwise
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Annual No of non-fatal self poisonings in relation to introduction of legislation
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|---|---|---|---|---|---|---|---|---|---|
| Drug | Year before | Year after | 2nd year after | 3rd year after | Year after legislation v year before | P value | Years 2 and 3 after legislation v year before | P value | P value for difference between years 2 and 3 after legislation v year after |
| Paracetamol alone | 825 | 624 | 757 | 781 | −24 (−32 to −16) | <0.001 | −7 (−14 to 1) | 0.1 | <0.001 |
| Any paracetamol | 1733 | 1472 | 1681 | 1686 | −15 (−21 to −9) | <0.001 | −3 (−8 to 3) | 0.33 | <0.001 |
| Salicylates alone | 79 | 64 | 77 | 64 | −19 (−42 to 13) | 0.21 | −11 (−32 to 18) | 0.42 | 0.52 |
| Any salicylates | 329 | 307 | 312 | 295 | −7 (−20 to 9) | 0.38 | −8 (−19 to 5) | 0.24 | 0.87 |
| Ibuprofen alone | 96 | 113 | 156 | 133 | 18 (−10 to 55) | 0.24 | 51 (19 to 90) | 0.001 | 0.03 |
| Any ibuprofen | 316 | 332 | 399 | 402 | 5 (−10 to 23) | 0.53 | 27 (11 to 44) | <0.001 | 0.004 |