Table 2.
Type of user | 2007-2008 | 2009-2010 | Mean difference (CI) | p |
---|---|---|---|---|
initial |
16.98 |
16.31 |
-0.68 (-1.07–-0.28) |
0.001 |
short-term |
25.08 |
24.02 |
-1.05 (-1.39–-0.71) |
<0.001 |
long-term | 74.54 | 73.15 | -1.40 (-1.75–-1.04) | <0.001 |
CI=confidence interval.