Table 3.

Differences in total scores for knowledge and skills tests and use of AED (paired analysis) calculated as later time minus earlier time.

Time points compared	Score difference	p value
Knowledge test:
Pre-test vs Post-test	1.7 ± 1.2	< 0. 001
Pre-test vs Post-test at 2 months	1.7 ± 1.2	< 0.001
Pre-test vs Post-test at 4 months	1.6 ± 1.3	< 0.001
Post-test vs Post-test at 2 months	− 0.05 ± 1.11	0.77
Post-test vs Post-test at 4 months	0.03 ± 1.07	0.88
Post-test at 2 months Post-test at 4 months	0.05 ± 1.03	0.75
Skills test:
Pre-test vs Post-test	9.3 ± 4.0	< 0.001
Pre-test vs Post-test at 2 months	8.6 ± 3.7	< 0.001
Pre-test vs Post-test at 4 months	9.4 ± 3.8	< 0.001
Post-test vs Post-test at 2 months	− 0.7 ± 3.3	0.19
Post-test vs Post-test at 4 months	0.2 ± 3.6	0.76
Post-test at 2 months Post-test at 4 months	0.9 ± 3.7	0.14
AED usage:
Pre-test vs Post-test	1.4 ± 0.8	< 0.001
Pre-test vs Post-test at 2 months	0.8 ± 0.9	< 0.001
Pre-test vs Post-test at 4 months	1.3 ± 0.8	< 0.001
Post-test vs Post-test at 2 months	− 0.6 ± 1.05	0.001
Post-test vs Post-test at 4 months	− 0.03 ± 0.92	0.99
Post-test at 2 months Post-test at 4 months	0.6 ± 1.1	0.003

Bold numbers indicate significance at p < 0.05.