Table 7.

Knowledge scores for intervention and control group patients at each assessment point

	Control		Intervention
Time	n	Median (IQR)	n	Median (IQR)	P*
Baseline	87	65.5 (31.0)	86	68.2 (31.0)	0.32
6 months	79	62.5 (31.0)	77	81.2 (20.5)	0.001
12 months	72	59.3 (33.0)	71	75.0 (32.0)	0.001

^*Mann–Whitney U-test. IQR, interquartile range.