a significant trendp < 0.0001
We observed a significant trend before 2014 (slope = 1.47% increase in attachment rate per year, p < 0.0001), which flattened after 2014 (slope = 0.13%, p = 0.16).
We observed a significant trend before 2014 (slope = 1.47% increase in attachment rate per year, p < 0.0001), which flattened after 2014 (slope = 0.13%, p = 0.16).