Background: Non-suicidal self-injury (NSSI) has become one of the serious public health concerns among adolescents. Factors like family and social environment of adolescents may be important determinants of the NSSI. This study aimed to investigate the relationship between family psychological function and perceived social support with the NSSI experience among adolescents. Study design: A cross-sectional study. Methods: Overall, 4216 high school students (15-18 yr old) of Tabriz City, northwestern Iran were selected using multi-stage cluster random sampling method in October and November 2017. Participants completed survey including demographic characteristics, NSSI status, Iranian family psychological function, and perceived social support. After six months, NSSI status was reassessed. The data were analyzed using logistic regression model. Results: 8.5% of the students had NSSI experience. In addition, the weak family psychological function increased the odds of experiencing the NSSI by 13 times compared to the strong psychological function (OR = 13.15, 95% CI: 7.19, 23.80). Besides, the low level of perceived social support increased the odds of experiencing the NSSI by about 7 times compared to the high perception of social support (OR= 6.67, 95% CI: 4.01, 11.11). Conclusion: Low levels of psychological functioning of the families and perception of social support significantly can increase the odds of experiencing the NSSI among adolescents. Therefore, special attention should be paid to these factors in the development of relevant preventive programs in adolescence period.

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Background: The wide spread of the Covid-19 disease has faced many challenges to health systems and health care workers. One of the areas that the coronavirus crisis had a deep impact on was lifestyle and balance in professional and work life. A lifestyle that promotes health is one of the important and influential factors in job performance. Job adjustment is influenced by the general atmosphere of life, the quality of work life, and the nature of the job. There is limited information regarding the role of various health-promoting lifestyle components in the job adjustment of health care workers. This study was aimed to determine the impact of health-promoting lifestyle components on job adjustment of health care workers during the COVID-19 pandemic Methods: In this descriptive-analytical study, 470 health care workers of Tabriz city, the capital of East Azerbaijan province located in northwestern Iran were selected by the random cluster method. Data were collected using questionnaires of demographic characteristics, health-promoting lifestyle, and job adjustment and were analyzed with descriptive and inferential statistics. Results: The findings of the study showed that all components of the health-promoting lifestyle had a significant relationship and explained 39% of the changes in job adjustment. Among the health-promoting lifestyle components, nutrition (β = 0.499, P < 0.001) and responsibility for health (β = 0.160, P = 0.004) have the most positive influence on the job adjustment of health care workers in the COVID-19 pandemic. Although interpersonal support had a positive and significant correlation with job adjustment (r=0.431, β=0.146, and P=0.004), the score of this dimension in health-promoting lifestyle compared to the total score was evaluated lower than other dimensions. Conclusion: Paying attention to eating habits, promoting responsibility regarding health, and strengthening relationships and interpersonal support among health care workers can increase the level of their job adjustment and lead to compliance with the work environment and effective implementation of new and different job duties in the conditions of the covid-19 pandemic.