Age (i)

Age (j)

Mean Difference

Significance (p)

18 - 19

20 - 21

1.273

0.549

22 - 23

1.719

0.307

24 and older

3.637*

0.024*

20 - 21

18 - 19

−1.273

0.549

22 - 23

0.445

0.886

24 and older

2.364

0.093

22 - 23

18 - 19

−1.719

0.307

20 - 21

−0.445

0.886

24 and older

1.919

0.255