a significant trendP <.001
A significant trend ( P <.001) of increase in sharing of glass/bottle during training was observed.
A significant trend ( P <.001) of increase in sharing of glass/bottle during training was observed.
Highly significant clustering was observed ( Table 2 ).
The highest risk of acquisition compared to all visits was observed in the 3 weeks that followed their first mixing in both analyses but did not reach statistical significance in most comparisons.