The effect of a smartphone application on women’s performance and health beliefs about breast self-examination: a quasi-experimental study

Table 2 Comparison of the two groups regarding the frequency of BSE performance over a period of 4 months, before and after the intervention

Group variable	Control (n = 75)		Intervention (n = 65)		Total		P-value*
Group variable	Number	Percent	Number	Percent	Number	Percent	P-value*
Number of BSEs four months before the intervention
0	46	61.3	32	49.2	78	55.7	0.089
1	17	22.7	23	35.4	40	28.6
2	4	5.3	8	12.3	12	8.6
3	6	8	2	3.1	8	5.7
4	2	2.7	0	0	2	1.4
Number of BSEs four months after the intervention
0	57	76	0	0	57	40.7	0.001
1	18	24	0	0	18	12.9
2	0	0	6	9.2	6	4.3
3	0	0	20	30.8	20	14.3
4	0	0	39	60	39	27.9
P-value**	0.001		0.001	0.001

*Chi-square test, ** Wilcoxon test
Table shows that before the intervention two groups were homogenous based on BSE performance over a period of 4 months. However, after the intervention, the largest number of BSEs was four times among 60% of the participants in the intervention group and once among 24% of the participants in the control group during four months

ISSN: 1472-6947