Students-t test is the most popular statistical test. The test compares two mean values to judge if they are different or not. For small data it is possible to conduct it using manual calculation – however that is not the case. Researchers would need to use statistical software and packages to conduct their analysis. This guide will help the junior researchers to conduct independent- and paired-t test using STATA software.
Introduction Drug abuse has been a global threat not only in Malaysia but worldwide,
especially among adolescents. This is alarming issue had been a serious
public health problem worldwide. The aim of the study is to access the
knowledge and attitude on drug abuse among Pahang Matriculation students
in 2016.
Methods A cross¬-sectional study was conducted involving 217 matriculation
students. A self-determined questionnaire was distributed among the students
regarding knowledge and attitude about drugs.
Results The prevalence of good knowledge on drug abuse was (82.03%). The
prevalence of students’ attitude on drug abuse has higher number of good
attitude with the sum of 182 (83.9 %). Only gender showed a significant
association with students’ knowledge (P= 0.046).
Conclusion The knowledge, attitude, and practice of drug abuse among Pahang
Matriculation students are good.
House officers who are suffering from stress, anxiety or depression are at risk of harm to themselves, colleagues and even patients, as well as affecting their livelihood. Objective: This
study is aimed to find the prevalence of stress, anxiety and depression among house officers working
in Kota Kinabalu, Sabah. Method: A cross-sectional study was done using a self-administered
questionnaire containing socio-demographic factors and Depression, Anxiety and Stress Scale (DASS)
21. Results: Prevalence of stress, anxiety and depression were 57.1%, 63.7%, and 42.9% respectively. Multiple logistic regression analysis found that house officers who thought of quitting Housemanship was associated with stress (adjusted OR = 3.64, 95% CI: (1.44, 9.20), p = 0.006), and depression (adjusted OR = 8.26, 95% CI: (2.96, 23.02), p < 0.001). House officers who perceives that they are bullied is associated with anxiety (adjusted OR = 4.16, 95% CI: (1.33, 13.07), p = 0.015). Work
experience of the house officers in months have a protective effect to stress (adjusted OR = 0.92, 95%
CI: (0.87, 0.97), p = 0.004), anxiety (adjusted OR = 0.93, 95% CI: (0.88, 0.98), p = 0.006) and
depression (adjusted OR = 0.92, 95% CI: (0.87, 0.98), p = 0.006). Conclusion: The prevalence of
stress, anxiety and depression among house officers in Kota Kinabalu, Sabah is high. Management
should look into the findings and understand the importance of addressing this problem as it may
affect patient care and safety, and the livelihood of house officers. Future studies identifying why
house officers are thinking of quitting service and why they do feel that they are being bullied may be
warranted.