The effectiveness of a model-based health education program on genital warts preventive behaviors: a quasi-experimental study

Table 3 Analysis of covariance to adjust the pretest scores as a variable covariate

Variables	Source	Sum of squares	df	Mean square	F-value	p value	Partial eta squared
Awareness	Pretes	.093	1	.093	.040	.842	.000
	Posttest	367.613	1	367.613	157.634	< .001	.517
	Error	342.814	147	2.332
	R Squared = .518 (Adjusted R Squared = .511)
Perceived susceptibility	Pretest	88.273	1	88.273	9.002	.003	.058
	Posttest	2091.104	1	2091.104	213.239	< .001	.592
	error	1441.541	147	9.806
	R Squared = .603 (Adjusted R Squared = .598)
Perceived severity	Pretest	8.403	1	8.403	1.639	.203	.011
	Posttest	824.284	1	824.284	160.754	< .001	.522
	error	753.757	147	5.128
	R Squared = .524 (Adjusted R Squared = .518)
Perceived benefits	Pretest	.000	1	.000	.003	.960	.000
	Posttest	4.851	1	4.851	33.639	< .001	.186
	error	21.200	147	.144
	R Squared = .187 (Adjusted R Squared = .175)
Perceived barriers	Pretest	397.798	1	397.798	21.760	< .001	.129
	Posttest	1243.343	1	1243.343	68.014	< .001	.316
	error	2687.269	147	18.281
	R Squared = .373 (Adjusted R Squared = .364)
Self-efficacy	Pretest	130.137	1	130.137	35.323	< .001	.194
	Posttest	280.681	1	280.681	76.186	< .001	.481
	error	302.570	147	3.684
	R Squared = .461 (Adjusted R Squared = .433)
Behavior	Pretes	.055	1	.055	.115	.735	.001
	Posttest	45.524	1	29.094	61.100	< .001	.394
	error	69.999	147	.476
	R Squared = .403 (Adjusted R Squared = .384)

ISSN: 1750-9378