نرجس حسینی

According to agency theory, CEO can inefficiently use the firms assets to promote their personal interests at the expense of shareholders, leading to agency costs such as weak internal controls, which the CEOs Recruitment can serve as a strategy for the board to improve controls. Internal and reduce firm representation problems. Therefore, the purpose of this study is to investigate the relationship between the weakness of internal controls and the employment of CEOs in companies listed on the Tehran Stock Exchange with respect to agency theory. To test the research hypothesis, the financial information of firms listed on the Tehran Stock Exchange in the period between 2016 and 2020 has been used, so that after applying the restrictions in this study, the final sample consisting of 163 companies was selected. After measuring the research variables, multivariate linear logistic regression analysis was used to test the research hypothesis. Hypothesis testing was also performed using Eviews econometric software and statistical techniques of integrated data. The results of the statistical test of the research show that there is a positive and significant relationship between the internal controls weakness and the CEO Recruitment.

In different societies, paying attention to spiritual dimension of health has been emphasized as one of the health dimensions according to the WHO. The study aimed to determine the relation between spiritual health and use of virtual social networks among high school students in Firouzabad, Fars province in 2017.

In the cross-sectional study, 380 students (16-18 years) were selected using the multistage stratified sampling. Data collection instruments included demographic information questionnaire, virtual social network use questionnaire, and Poltzea and Ellisons questionnaire of spiritual health assessment.  
To analyze the data, analysis of variance, Pearson correlation coefficient, and logistic regression tests were used.

The mean score of spiritual health was 83.98 ± 17.01 and had a significant correlation with education level (p<0.001) and internet use time (p=0.02). A significant correlation was found between virtual social networks use and monthly income, (r=0.17) religions health (r= -0.64), individual health (r= -0.11), and total score of spiritual health (r= -0.09). Most of the students (65.77%) had internet access and the most frequently used virtual social network was WathsApp. Logisitc regression revealed that the mean score of desirable spiritual health among students who used virtual social networks for 11-20 , 21-30, and >30 hours per week were 0.83 , 0.72, and 0.27 times lower than the students who used these networks less than 10 hours a week.

Internet access was higher in male students than female and the spiritual health was at the average level in both genders. Regarding the effect of virtual social networks on students and its increasing expansion, the issue must be considered by authorities.

From maturity to menopause, women are worried about pregnancy. Abstinence from sex or use of pregnancy prevention methods are choices for them. As abstinence is impossible, the only remaining choice is use of pregnancy prevention methods. Effective control of pregnancy is really essential for the health of mother and infant and also control of unplanned increase in population. Regarding the importance of continuance rate of pregnancy prevention methods (OCP, IUD, Condom &DMPA) & the reasons for their disruption, this study was carried out with the aim of determining the continuance rate and reasons for discontinuance of pregnancy prevention methods in Yazd women.

This was a cross-sectional study. Six urban health care centers of Yazd were selected as study clusters and information of 15-49 year old women using the pregnancy prevention methods (OCP, IUD, Condom& injection) was collected via a questionnaire. The data collected was analyzed by Coplan- Mayer statistic method and variance analysis test.

Pregnancy prevention methods were most prevalent in the 25-34 years old age group (57%). Mean duration of pregnancy prevention method usage was 27.98 months using Caplan-mayer method with a median of 24 months. 86.3% for 6 months, 72.8% for 12 months, 62.5% for 18 months, 47.9% for 24 months, 39.9% for 30 months and 37% for 37 months had used four certain methods of pregnancy prevention (OCP, IUD, Condom and Injection). The reasons of discontinuance were disease (15.6%) for OCPS, bleeding (27%) for IUD, unwanted pregnancy (21%) for Condoms and also disease (75%) for Injection method.

According to the results, not only education programs regarding family planning before starting each pregnancy prevention method to women is recommended, but a complete incentive consultation about these methods is essential. This educational & consultation programs should be implemented initially for women using OCP method.