Pasw spss statistics ver 18

In this study, we used PASW SPSS Statistics ver. 18.0 (SPSS Inc., Chicago, IL, USA) for statistical analyses with significance level set at less than 0.05 for all statistical operations. We performed chi-square tests and independent sample t-tests to assess gender differences in initial reports of underlying disease, smoking status, exercise frequency, depressive symptoms, and anxiety symptoms. We used the Wilcoxon two-sample test to assess gender differences in AUDIT-KR scores. To investigate the relationship between global or component scores of the PSQI-K and AUDIT-KR scores, we performed the Mann-Whitney test.
In order to analyze the correlation between AUDIT-KR scores and PSQI-K scores, we performed a multiple linear regression analysis adjusting for age, chronic disease, current smoking status, regular exercise, two-question depression test scores, and GAS scores. Any subjects diagnosed with hypertension, diabetes, ischemic heart disease, stroke, or chronic musculoskeletal diseases and undergoing treatment at the hospital for any of these conditions were defined as having chronic disease, for the purposes of this study. Subjects who reported that they exercised 3 times or more per week were defined as regular exercisers.