Table 3.

Effects of group and time

Group	N	Time	Mean	Std. error	95% Confidence interval
					Lower bound	Upper bound
Intervention	40	1	34.108	1.068	31.978	36.238
		2	37.852	0.922	36.011	39.692
		3	36.212	0.976	34.265	38.159
Control	40	1	39.286	1.433	36.427	42.144
		2	36.598	1.238	34.129	39.068
		3	37.813	1.309	35.200	40.425

Time 1 = pre-test, time 2 = post-test, and time 3 = follow-up test.