Table 2:
Before After p value
n 268 147 NS
n compliant N/A 145 NS
Males 162
(60%)		 88
(60%)		 NS
4thyear students 156
(58%)		 31
(21%)		 <0.05
All test scores
(mean ±S.D.)		 36.9 ±3.7 38.3 ±3.6 <0.001
4thyear scores
(mean ±S.D.)		 37.1 ±3.4 38.0 ±3.8 NS