Utilizing a health-promotion model to predict self-care adherence in patients undergoing coronary angioplasty in Bushehr, Iran

Figures & data

Table 1 Differences among demographics and self-care behaviors (n=200)

	Mean ± SD (range) n (%)	Self-care behaviors, mean ± SD	t (F)	P-value
Age, years	58.77±10.21 (32–90)		81.332	0.000*
Sex			1.751	0.081**
Male	119 (59.5%)	2.292±0.396
Female	81 (40.5%)	2.194±0.378
Marital status			−0.0362	0.718**
Married	175 (87.5%)	2.256±0.375
Unmarried	25 (12.5%)	2.226±0.498
Educational level
Illiterate	47 (23.5%)	2.076±0.335	4.856	0.003***
Primary school	67 (33.5%)	2.232±0.348
Secondary/high school	63 (31.5%)	2.271±0.460
Above high school	23 (11.5%)	2.345±0.422
Employment status			−2.25	0.025**
Employed	68 (34%)	2.219±0.386
Unemployed	132 (66%)	2.359±0.470
History of disease			−0.005	0.996**
Yes	119 (59.5%)	2.252±0.402
No	81 (40.5%)	2.253±0.378
Family history of heart disease			0.235	0.814**
Yes	77 (38.5%)	2.261±0.397
No	123 (61.5%)	2.247±0.389
Income, IRR			1.714	0.183***
<10,000,000	113 (56.5%)	2.219±0.435
10,000,000–15,000,000	68 (34%)	2.332±0.418
>15,000,000	19 (9.5%)	2.318±0.310
Frequency of angioplasty			−1.053	0.289**
Once	149 (74.5)	2.235±0.388
More than once	51 (25.5)	2.303±0.401

Notes:

* One-sample t-test;

** independent-sample t-test;

*** one-way ANOVA.

Table 2 Self-care behavior domains (n=200)

	Mean	SD	Possible range
Healthy diet	2.72	0.431	0–4
Physical activity	1.71	0.659
Treatment adherence	2.33	0.546
Stress management	1.86	0.667
Nonsmoking	2.76	0.972
Total	2.25	0.391

Table 3 Health-promotion-model constructs (n=200)

	Perceived benefits	Perceived barriers	Perceived self-efficacy	Perceived social support
Mean	3.89	2.63	3.45	2.15
SD	0.371	0.457	0.593	0.733
Observed range	1.88–5	1.53–4.12	1.82–5	0.25–4
Possible range	1–5	1–5	1–5	1–5

Table 4 Correlation matrix of health-promotion-model constructs and self-care behaviors (n=200)

	Perceived benefits	Perceived barriers	Self-efficacy	Social support	Self-care
Perceived benefits	1
Perceived barriers	−0.119	1
Self-efficacy	0.409a	−0.441a	1
Social support	0.133	−0.215a	0.261a	1
Self-care	0.321a	−0.452a	0.570a	0.402a	1

Note:

a Correlation significant at the 0.001 level (two-tailed).

Table 5 Multiple linear regression analysis of health-promotion-model constructs in predicting self-care behaviors (n=200)

	SE	β	t	P-value
Perceived benefits	0.062	0.121	1.95	0.052
Perceived barriers	0.052	−0.195	−3.78	0.001
Perceived self-efficacy	0.043	0.237	5.46	0.001
Perceived social support	0.030	0.130	4.36	0.001

Note: Coefficient of determination R²=0.431.