Table 3 The Poisson regression model with the year of the first visit as a factor
Parameter | PRR | 95% CI | p-value |
|---|---|---|---|
Age | |||
 (-Inf,25] | 0.96 | 0.76, 1.20 | 0.7 |
 (25,35] | 1.00 | — |  |
 (35,45] | 1.10 | 0.97, 1.25 | 0.15 |
 (45,55] | 1.13 | 0.98, 1.31 | 0.082 |
 (55,65] | 1.12 | 0.96, 1.29 | 0.14 |
 (65, Inf] | 0.89 | 0.72, 1.09 | 0.3 |
Gender | |||
 Male | 1.00 | — |  |
 Female | 1.75 | 1.59, 1.93 |  < 0.001 |
Year of first visit | |||
 2006 | 1.00 | — |  |
 2007 | 0.98 | 0.76, 1.26 | 0.9 |
 2008 | 0.87 | 0.67, 1.13 | 0.3 |
 2009 | 0.94 | 0.73, 1.22 | 0.7 |
 2010 | 1.02 | 0.79, 1.32 | 0.9 |
 2011 | 0.91 | 0.69, 1.20 | 0.5 |
 2012 | 1.12 | 0.87, 1.45 | 0.4 |
 2013 | 1.31 | 1.03, 1.67 | 0.027 |
 2014 | 1.47 | 1.16, 1.87 | 0.002 |
 2015 | 1.16 | 0.90, 1.50 | 0.2 |
 2016 | 1.27 | 0.99, 1.63 | 0.061 |
 2017 | 1.36 | 1.07, 1.72 | 0.011 |
 2018 | 1.46 | 1.14, 1.88 | 0.003 |
 2019 | 1.57 | 1.22, 2.01 |  < 0.001 |