Loss to follow-up (LTF) is an important issue that can affect the validity of longitudinal studies. Further, LTF among adolescent study participants may be predicted by variables such as substance use, educational attainment, and demographic information. The purpose of this study was to determine if alcohol or marijuana use, high school completion, or demographic information was correlated with LTF among adolescent participants in the Real Talk Study. The Real Talk study is a randomized control trial that employs a brief motivational interview intervention in a clinical setting to reduce perpetration of teen dating violence (TDV) in Boston. Current participants of the Real Talk study who were eligible for follow up comprised the study sample (N=127). Baseline characteristics on age, gender, race/ethnicity, high school completion, alcohol use, and marijuana use were analyzed using Pearson’s Chi Square, and the level of significance set to p < 0.10. A post-hoc analysis was conducted on frequency of alcohol use using Pearson’s Chi Square. Of the total sample, 13% were LTF (n=17). The results of the analyses indicated that there was a statistically significant difference between those LTF and those retained for gender and drinking 6 or more drinks of alcohol per occasion. Females were more likely to be LTF than males (p<0.10), and those participants who responded “never” or “less than monthly” to the question, “how many times do you drink 6 or more drinks per occasion?” were more likely to be retained, or less likely to be LTF (p<0.10) than those who responded differently. While some of the results were consistent with the literature, it is also possible that the follow-up procedure for Real Talk ensured that there were minimal differences in LTF.

Diploma thesis of was preceded by a specialized studio focused on the development of urban-architectural design in the area of "Vsetín - Ohrada". The newly created objects have the a task of transform the whole territory, which nowadays deteriorate. The solved area is separated by the highest industrial zone from the edge of the city and after the connection to the urban area. The whole sports complex is conceived as an independent urban complex, mainly linked to the surrounding nature. These are cycle paths that are designed for the entire area. The center is designed for the needs of the population of Vsetín and its catchment areas. Sports, recreational options for all ages. The grassy wall divides the river from the city and reflects the calm zone by the river, and at the same time divides large flat areas. In addition to sports, the area offers wellness, gastro and meeting places. The advantage of this place is cycling trail parallel to the beautiful nature. Moreover, the grassy wall is used to hide service roads and parking spaces. This ensures excellent transport accessibility and supply, but does not interfere with the sports complex. Wall created from excavations of single buildings and demolition works of the original stadium will achieve a safe transition from one sports ground to another, creating a natural observation post and incorporating buildings and sports facilities to become part of the wall and form a single unit. By embedding buildings in the wall, the buildings visually diminish. The embedded sports ground is bounded on two sides by a rampart and the third by a staircase. It can be used as a grandstand, or to enter the ridge of the dike. This minimizes the need for unsightly fencing on each pitch. With the new concept we will meet the requirements of visitors in the given locality and, above all, the attractiveness of the whole area will be increased.