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Paper text:

 epidemiological changes leading to chronic diseases are becoming more important . now , not only in developing countries but also in many developed countries , chronic diseases account for a major part of health problems ( 1 ) .
hypertension is a chronic disease that requires lifelong self - care behaviors ( 2 ) .
hypertension is a risk factor for heart and kidney diseases leads to heart attack and heart failure ( 3 ) .
hypertension is one of the most important risk factors for atherosclerosis , heart failure , stroke and renal failure in many countries ( 4 ) .
many people with hypertension are unaware of their condition and only one third of the patients had normal blood pressure.diet , smoking and medication compliance are factors affecting hypertension ( 5 ) . according to reports by the world health organization ,
compliance with the treatment regimen , is defined as an active process with a sense of responsibility to improve health . to ensure compliance with treatment regimen
, health care providers should consider patient 's beliefs as an important factor ( 7 ) .
some events in life make patients attitudes and behavior and some believe these events are controlled by outside troops ( 8) .
health locus of control includes any activity that can be done to prevent health problems .
some people have an external locus of control of health , such as doctors , chance and fate responsible for their own health status .
in contrast , people with the internal locus of control believe their responsibility for their health ( 9 ) . 
 
 therefore , the patient 's beliefs have an effect on compliance with the treatment regimen .
this paper will examine the impact of beliefs on treatment regimen of patients with hypertension.the purpose of this study is to investigate the correlation between compliance to the treatment regimen with health locus of control in patients with hypertension 


 in this descriptive study done at taleghani hospital heart clinic , 130 patients with hypertension were selected using convenience sampling .
inclusion criteria in this study were : hypertension diagnosed by a cardiologist , at least one medication prescribed for treatment of hypertension , three months have passed from diagnosis of hypertension .
patients ' blood pressurewere controlled twice within five minutes and were recorded as mean blood pressure .
the patients were asked to come back after a period of 7 to 20 days in order to monitor and record blood pressure .
the mean blood pressures measured by the researcher were compared with the first blood pressure .
patient 's blood pressure was recorded according to the instructions mentioned in " america heart association in 2010 " .
tools that were used in this study included : demographic questionnaire covering 14 questions , which was made to examine the demographic characteristics , blood pressure and duration of hospital stay records .
health locus of control scale has been developed by watson in the context of health locus of control theory in the 1970s .
the scale consists of 18 items : six items measuring internal locus of control , six items measuring powerful others locus of control , and six items measuring chance locus of control ( 10 ) , hypertension treatment regimen is a follow - up questionnaire designed in 2000 by kim et al ( 11 ) .
it has 14 questions and checks three sub - scale drug regimen , follow the diet and follow the doctor 's appointment ( 12).reliability and validity of the questionnaire was checked by faculty members of beheshti university of medical sciences .
in addition , the researcher used a device to measure blood pressure with a manometer . 

also , people who had a blood pressure equal to or above 140/90 were regarded as uncontrolled hypertension and people who had blood pressure below 140/90 was considered as controlled blood pressure . 


 the results showed that there is a direct correlation between the adherence to the treatment regimen with internal health locus of control in patients with hypertension .
people with internal locus of control had controlled blood pressure . in people with powerful other locus of control , the blood pressure was controlled.patients with internal health locus of control had better compliance with treatment regimen .
this study showed that there is a significant correlation between powerful other locus of control with age ( p=0/003 ) .
it was found that women scored higher than men , meaning that women have more belief in external locus of control .
people with powerful other locus of control or internal locus of control had less hospital admission .
people with university education have less chance of having locus of control . in other words ,
the enhanced level of education reduced the rate of locus of control . in this study
also , people who have high monthly income and are married have more internal locus of control ( table 1 ) . 


 as mentioned , health locus of control is associated with treatment regimen ; so the hypothesis is confirmed .
people with powerful other health locus of control reported better compliance with treatment regimens ; as a result , they follow a treatment regimen .
a study by omeje & nebo on patients with hypertension in 2011 found that people with locus of control are not good followers of treatment regimen ( 13 ) .
based on a study by zahednezhad et al ( 2011 ) , there was a positive correlation between powerful other health locus of control and treatment compliance in patients with diabetes ( 14 ) .
the study by roddenberry and renk ( 2010 ) described that people with chance health locus of control " does not adhere to good hygiene behaviors ( 15 ) . in the current study , people white chance health locus of control did not properly followed their treatment regimen and thus they had blood pressure above 140/90 .
morowatisharifabad et al ( 2009 ) showed that internal locus of control is related to the level of education ( 16 ) .
helmer ( 2012 ) showed individuals with chance health locus of control are heavy smokers ( 17 ) that is similar to the results of current study . 
 

nurses need to consider the impact of these factors that are effective education for their patients .
the study may also be used in reviews , planning , implementation and evaluation . meanwhile , involving a patient in treatment programs lead to increased quality of clinical services and satisfaction in patients .
improvement of the internal health locus of control and will have a positive impact on patients ' participation in their treatment programs health locus of control can be used as predictor of health behavior .
a person who believes in his behavior and attitude plays a role in health and disease , and external factors such as luck and destiny have no role in his health .
considering these factors , can be helpful in improving the treatment regimen of patients with hypertension . 


 the results of this study showed that health locus of control is an important health indicator with great impact on the control of chronic diseases .
health locus of control reduces the complications of disease and will lead to reduced health care costs .
background : epidemiological changes leading to chronic diseases are becoming more important 
 day by day . 
 hypertension is also known as a chronic disease . 
 worldwide prevalence of hypertension 
 have caused serious complications . 
 the disease has become a health problem in all communities . 
 
 this research aims at analyze the correlation between compliance with the treatment regimen and 
 health locus of control in hypertension patients . 

 
 methods : in this study , 130 patients diagnosed with high blood pressure have been included using 
 convenience sampling . 
 information has been gathered including demographic data , compliance with 
 the treatment regimen and health locus of control . 
 the patient 's blood pressure was measured twice 
 and the mean was compared with the first blood pressure recorded in medical records . 
 data were 
 analyzed using spss 17 . 

 
 results : the results showed that there is a direct correlation between the adherence to the treatment 
 regimen with internal health locus of control . in patients with internal health locus of control , better 
 compliance with treatment regimen was detected . 

 
 conclusion : health locus of control is associated with treatment regimen . considering health locus 
 control can help nurses and managers in their health programs and also can motivate patients to participate 
 in their self - care and improve patients care quality .