Factors Affecting Hypertensive Treatment Adherence: Development and Preliminary Validation of a New Scale

Table 1

Content validity ratio (CVR) and content validity index (CVI) scores of the FEHTA scale (n = 14).

No.	Items	CVR	CVI
1	I cannot trust in doctors	0.71	0.93
2	I visit the doctor only when I have a severe disease	0.43	0.95
3	Spending money and paying the doctor’s visit is useless	0.86	0.98
4	Since my hypertension is genetic, treatment regime has no effect on its control	1	0.98
5	I believe that if I have no stress, my hypertension will be controlled and there is no need for treatment regime	1	1
6	Given hypertension compared to other diseases such as diabetes creates less stress for me	0.71	0.98
7	The hazards of chemical drugs such as blood pressure medications are over their benefits	0.71	0.98
8	I will become depended on antihypertensive medications if I take them regularly	0.86	0.93
9	Taking medication is enough to reduce hypertension, and there is no need to change life style	0.86	0.93
10	Since I do daily activities and I am housewife, exercising is not required	0.57	0.95
11	I do not concentrate on my treatment because I have no enough information about hypertension and its side effects	0.71	0.95
12	I cannot understand hypertension well	0.29	0.95
13	Blood pressure medications can cause interference in my life	0.57	0.95
14	If I affect a tolerable disease, it will not be necessary to visit the doctor	0.57	0.93
15	If the food is healthy in terms of material and spiritual can result physical and mental health	0.57	0.91
16	I will eat my favorite food even if it is not useful	0.29	0.86
17	I will use fast foods because they are delicious, available with suitable price	0.43	0.84
18	It is better to eat and die than not to eat and die	−0.43	0.81
19	If I consider my diet, the life will be difficult for me	0.71	1
20	I do not take my medications during travelling	0.43	0.98
21	I do not consider my diet or medicinal regime during travelling	0.71	0.98
22	I consider my diet at party or ceremonies	0.71	0.93
23	My health is always important for me	0.71	0.93
24	I do not like to consider my treatment regime although I am aware of its importance	0.86	1
25	I cannot consider my treatment regime well because I live lonely	0.71	0.93
26	I do not consider my diet, medicinal regime, or doing exercise due to indifference	1	0.91
27	I used to live mechanical life, so I do not want to exercise	0.71	0.93
28	I become very nervous because I am sensitive	0.14	1
29	I am affected by stress	0.71	1
30	I become very nervous due to improper relationship with my wife	0.57	1
31	I do not check my pressure due to fearing from blood pressure device	0.57	1
32	I follow my treatment regime because I fear from hypertension side effects	0.86	1
33	By observing the deaths of relatives following bleeding caused by high blood pressure, the more I follow my regimen	0.86	1
34	I rarely pay attention to my health and treatment regime due to difficulties in my life	0.86	1
35	When my medications are finished, I will buy them with delay	0.71	1
36	I will forget to take my medications if I am busy	0.43	1
37	I do not take my medications because nobody remembers me to take them	0.43	1
38	I will forget to take my medication when I am not at home	0.43	0.93
39	I eat fast foods such as pizza and sandwich due to lack of time and being very busy	0.86	0.88
40	I do not exercise as I am busy	0.86	0.91
41	I feel that I do not need medications	0.71	0.98
42	My body has depended on hypertension, and complete consideration of treatment regime has no effect on it	0.86	0.98
43	Because of the specific problem and not a sign, I do not see a doctor	0.57	0.98
44	I do not consider my treatment regime completely because I have no special problem with hypertension	0.57	0.91
45	I control my blood pressure after appearance of symptoms such as headache or creeping	0.86	0.95
46	I recognize my blood pressure without measuring with apparent clues	0.86	0.95
47	My blood pressure is not controlled even with taking medication and considering diet	0.71	0.95
48	My blood pressure is not reduced even with regular exercise	0.71	0.95
49	I do not visit the doctor because my hypertension has not responded to the treatment	0.86	0.93
50	My hypertension is not treated at all	0.71	0.88
51	It is difficult for me to consider medicinal regime because I have to take several medications	0.86	0.98
52	I take rarely my medications because of some problems such as coughing during consumption of hypertensive medications	0.86	0.91
53	I do not take my hypertensive medications because I have to take other drugs as well	0.71	0.95
54	I do not take my hypertensive medications because of frequent urination by taking such medications	0.86	0.93
55	Because of fear of drug interactions, sometimes I don’t take my drugs	0.86	0.93
56	I sometimes do not take medications due to fearing from effect of them on sexual performance	0.86	0.93
57	Due to lack of money for providing drugs, I don’t takemy drugs	0.86	0.98
58	Health and my blood pressure are followed by hospitals and doctors	0.71	0.95
59	Because the doctor or nurse had not had a good deal, I do not pay attention to their recommendations	1	0.95
60	Due to frequent explanation and education by doctors, I would follow their advice	0.86	0.95
61	If my doctor is skillful and experienced, I will listen to his advices	0.71	0.95
62	The doctor did not educate about my regime and medicines	0.71	0.95
63	My family insisted on me not to use foods that are not good for me	0.71	0.95
64	I do not follow my treatment regime when I am with my friends	0.57	0.95
65	I listen to my friends’ advice about my hypertensive medicinal regime without consulting with the doctor	0.86	0.88
66	I use opium to reduce my hypertension due to my friends’ advice	0.71	0.88
67	I eat foods with cool temper to reduce my hypertension	0.57	0.88
68	When I eat fatty foods, I use lemon juice to reduce the fatty effect	0.71	0.88
69	I use regularly vegetative drugs instead of chemical ones	0.86	0.93
70	I follow educational programs about hypertension in media	0.71	0.95
71	My wife and children insisted on me to consider my diet and treatment regime	0.57	0.93
72	My life is without stress	0.86	0.95
73	Because in family members, we have doctors and nurses, I do not go to the doctor	0.86	0.95
74	All my family members pay attention to their health	0.71	0.95

Acceptable CVR scores >0.51 and acceptable CVI scores >0.8.