Author: Kim, Ho Seung; Ko, Ryoung Eun; Ji, Misuk; Lee, Ju-Hyung; Lee, Chang-Seop; Lee, Hyun
Title: The usefulness of hand washing during field training to prevent acute respiratory illness in a military training facility Document date: 2018_7_27
ID: xg1cnlot_13
Snippet: We calculated the cumulative incidence rate according to the cases with ARI divided by the total number of military trainees of each group. In order to compare the cumulative incidence between the control group and the interventional group, we performed a test for 2 proportions and calculated the 95% confidence intervals (CIs). To evaluate the effect size, the difference between the 2 sample proportions, that is, the proportions of ARIs at week 4.....
Document: We calculated the cumulative incidence rate according to the cases with ARI divided by the total number of military trainees of each group. In order to compare the cumulative incidence between the control group and the interventional group, we performed a test for 2 proportions and calculated the 95% confidence intervals (CIs). To evaluate the effect size, the difference between the 2 sample proportions, that is, the proportions of ARIs at week 4 between early and late hand washing groups, was calculated. Effect sizes near 0.2, 0.5, and 0.8 are regarded as a small, medium, and large, respectively. [19] All statistical analyses were performed using the STATA 11.0 software (STATA Corporation, College Station, TX). All tests were 2-sided and a P < .05 was considered to be statistically significant.
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