Year: 2018
Type: article
Study design: Observational Study
Abstract: Background: A Chronotype or diurnal preference describes a 24-hours natural time cycle. There are two types of chronotypes; the morning and the night chronotype. Social jetlag is the difference between circadian time and social time resulting in a lack of chronic sleep time. This study takes high school students as a subject because late adolescence have the peak of movement from the morning chronotype to the night chronotype. The population of high school students also represents the active age of smoking. \nObjective: To analyze the effect of chronotype and social jetlag on smoking in grade XII students of SMA Colomadu. \nResearch Method: This research method is analytic observasional with cross sectional design. The sample size is 70 students. Sampling using purposive sampling technique. The analysis used Chi-square and Fisher's hypothesis test with SPSS 24.0 for Windows program. \nResult: Based on data analysis with Chi-Square that has been done, there is association of chronotype to smoking with significance <0,001 and there is association of social jetlag to smoking with significance 0,048. Then performed logistic regression analysis, OR value for chronotypes is 7,917 and social OR jetlag value is 4,341. \nConclusion: The results showed that there was an association between chronotype and social jetlag to smoking that was statistically significant in the respondents. \nKeywords: chronotype, social jetlag, smoking in adolescents.
Language: Indonesian
Field: Medicine
Domain: Health Sciences
Open Access status: green
OpenAlex ID: W2947885197