Country | 1996–2001 per year | 2002 | RR | 95% CI | p value |
---|---|---|---|---|---|
Comparison between “prior to 2002” and 2002 for coins involved in inhalation and ingestion incidents through the Wilcoxon test. | |||||
Mean values of the totality of the circulating coins are given in square brackets. | |||||
Coin related incidents | |||||
Greece | |||||
All coins | 6.5 | 17 | 2.62 | 1.39 to 4.74 | 0.003 |
Euro v drachma coins | 6.5 | 14 | 2.15 | 1.08 to 4.08 | 0.029 |
Denmark (all coins are krone) | 6.5 | 4 | 0.62 | 0.16 to 1.71 | 0.49 |
Coin characteristics | |||||
Greece | |||||
Mean diameter (mm) | 24.7 [25.0] | 19.8 [21.6] | 0.0001 | ||
Mean weight (g) | 6.9 [7.1] | 4.4 [5.2] | 0.007 | ||
Total circulation (million pieces) | 1780 | 1600 | |||
Denmark | |||||
Mean diameter (mm) | 19.7 [24.9] | 20.0 [24.9] | 0.67 | ||
Mean weight (g) | 4.7 [7.4] | 4.2 [7.4] | 0.77 | ||
Total circulation (million pieces) | 1790 | ~1990 |