Background: The World Wide Web has become an essential source of health information. Nevertheless, the amount and quality of information provided may lead to information overload. Therefore, people need certain skills to search for, identify, and evaluate information from the internet. In the context of health information, these competencies are summarized as the construct of eHealth literacy. Previous research has highlighted the relevance of eHealth literacy in terms of health-related outcomes. However, the existing instrument assessing eHealth literacy in the German language reveals methodological limitations regarding test development and validation. The development and validation of a revised scale for this important construct is highly relevant. Objective: The objective of this study was the development and validation of a revised German eHealth literacy scale. In particular, this study aimed to focus on high methodological and psychometric standards to provide a valid and reliable instrument for measuring eHealth literacy in the German language. Methods: Two internationally validated instruments were merged to cover a wide scope of the construct of eHealth literacy and create a revised eHealth literacy scale. Translation into the German language followed scientific guidelines and recommendations to ensure content validity. Data from German-speaking people (n=470) were collected in a convenience sample from October to November 2020. Validation was performed by factor analyses. Further, correlations were performed to examine convergent, discriminant, and criterion validity. Additionally, analyses of measurement invariance of gender, age, and educational level were conducted. Results: Analyses revealed a 2-factorial model of eHealth literacy. By item-reduction, the 2 factors information seeking and information appraisal were measured with 8 items reaching acceptable-to-good model fits (comparative fit index [CFI]: 0.942, Tucker Lewis index [TLI]: 0.915, root mean square error of approximation [RMSEA]: 0.127, and standardized root mean square residual [SRMR]: 0.055). Convergent validity was comprehensively confirmed by significant correlations of information seeking and information appraisal with health literacy, internet confidence, and internet anxiety. Discriminant and criterion validity were examined by correlation analyses with various scales and could partly be confirmed. Scalar level of measurement invariance for gender (CFI: 0.932, TLI: 0.923, RMSEA: 0.122, and SRMR: 0.068) and educational level (CFI: 0.937, TLI: 0.934, RMSEA: 0.112, and SRMR: 0.063) were confirmed. Measurement invariance of age was rejected. Conclusions: Following scientific guidelines for translation and test validation, we developed a revised German eHealth Literacy Scale (GR-eHEALS). Our factor analyses confirmed an acceptable-to-good model fit. Construct validation in terms of convergent, discriminant, and criterion validity could mainly be confirmed. Our findings provide evidence for measurement invariance of the instrument regarding gender and educational level. The newly revised GR-eHEALS questionnaire represents a valid instrument to measure the important health-related construct eHealth literacy.

Background: The transition of patients between care contexts poses patient safety risks. Discharges to home from inpatient care can be associated with adverse patient outcomes. Quality in discharge processes is essential in ensuring safe transitions for patients. Current evidence relies on bivariate analyses and neglects contextual factors such as treatment and patient characteristics and the interactions of potential outcomes. This study aimed to investigate the associations between the quality and safety of the discharge process, patient safety incidents, and health-related outcomes after discharge, considering the treatments’ and patients’ contextual factors in one comprehensive model. Methods: Patients at least 18 years old and discharged home after at least three days of inpatient treatment received a self-report questionnaire. A total of N = 825 patients participated. The assessment contained items to assess the quality and safety of the discharge process from the patient’s perspective with the care transitions measure (CTM), a self-report on the incidence of unplanned readmissions and medication complications, health status, and sociodemographic and treatment-related characteristics. Statistical analyses included structural equation modeling (SEM) and additional analyses using logistic regressions. Results: Higher quality of care transition was related to a lower incidence of medication complications (B = -0.35, p < 0.01) and better health status (B = 0.74, p < 0.001), but not with lower incidence of readmissions (B = -0.01, p = 0.39). These effects were controlled for the influences of various sociodemographic and treatment-related characteristics in SEM. Additional analyses showed that these associations were only constant when all subscales of the CTM were included. Conclusions: Quality and safety in the discharge process are critical to safe patient transitions to home care. This study contributes to a better understanding of the complex discharge process by applying a model in which various contextual factors and interactions were considered. The findings revealed that high quality discharge processes are associated with a lower likelihood of patient safety incidents and better health status at home even, when sociodemographic and treatment-related characteristics are taken into account. This study supports the call for developing individualized, patient-centered discharge processes to strengthen patient safety in care transitions.

The objective of this study was the translation and validation of a health consciousness scale in order to provide an economically and empirically confirmed measurement of health consciousness, which is associated with health-related behavior. We evaluated this translation on the basis of psychometric testing in a German convenience sample. A cross-sectional online survey (n = 470) was carried out using a translated version of the health consciousness scale, oriented on the basis of international guidelines. As previous studies have not consistently confirmed the factorial structure of the health consciousness scale, we conducted a Confirmatory Factor Analysis to verify its factorial structure. Furthermore, we cross-validated the questionnaire with other scales in order to verify convergent and discriminant validity. The results indicated a two-factor solution for the Health Consciousness Scale-German (HCS-G). The criterion validity was confirmed on the basis of a significantly positive correlation between the HCS-G and health literacy. Furthermore, strict measurement invariance was able to be verified, indicating that the HCS-G is an applicable measurement, regardless of gender. In practical research, this questionnaire can help to assess health consciousness and its influence on health-related constructs. Future studies should consider possible mediating variables between health consciousness and health outcomes.

Unhealthy eating is associated with various diseases, such as cardiovascular, neurodegenerative, or oncological. There are neither economical nor behavior-related questionnaires available in the German language to assess general dietary behavior. Therefore, the aim of this validation study was to develop an instrument considering these aspects and verifying its construct and criterion validity. The new questionnaire is based on the general nutrition recommendations of the World Health Organization and the German Nutrition Society. It consists of 16 items that contrast dietary behaviors on a semantic differential scale. Our German-speaking convenience sample consisted of 428 participants. The construct validity of the General Dietary Behavior Inventory (GDBI) could be confirmed by examining convergent and discriminant validity. Furthermore, criterion validity was confirmed (significant negative correlations with body weight, Body Mass Index, and positive correlations with physical/mental health as well as life satisfaction). A cluster analysis revealed two different dietary behavior clusters representing a rather healthy and a rather unhealthy dietary behavior cluster. The results indicate that the GDBI is a validated and economical instrument to assess general dietary behavior. In practical research, this questionnaire helps to assess dietary behavior and to derive interventions for a healthy dietary behavior in concordance with international nutrition recommendations.

Digital transformation in healthcare is both a unique opportunity to improve care services and a significant challenge for legislation, stakeholders and all citizens. eHealth literacy (eHL) describes an important set of competencies when dealing with digital health information. Therefore, health insurance funds in Germany received the mandate to promote eHL among their policy holders. However, to date little is known about eHL in the German population and its potential determinants. Therefore, the aim of this study was to assess eHL in a sample of patients after their hospital stay and to explore potential sociodemographic determinants. A cross-sectional, self-report, online survey study was conducted with a subgroup of a nationally representative sample in Germany using the revised eHealth Literacy Scale (GR-eHEALS). Market research providers were commissioned with the recruitment and data collection of 1,000 participants. Descriptive and bivariate analyses were computed. Overall, comparatively high scores were reported for eHealth literacy. Significant differences in eHL were found regarding age, sex, and educational background. Participants aged between 38 and 67 years had significantly higher scores than the under 27-year-olds. Female participants reported higher levels of eHL than male participants. Further, a higher level of educational attainment was related to a higher level of eHL. The native language (German) and the actual employment status were unrelated to eHL. Previous studies showed inconsistent results regarding the potential determinants of eHL. Our results provide further data on eHL in the German population and underscore the importance of age, sex, and education for eHL. Stakeholders such as health insurance funds should therefore pay particular attention to these determinants in order to fulfil their legal mandate to promote eHealth literacy. Our results provide an assessment of the status quo of eHealth literacy among a subgroup of the general population in Germany, which can inform both legislators and health insurers about important determinants affecting the development and design of technical health products.

The transition between different care contexts, especially during discharge from inpatient treatment to home, is associated with risks for patient safety. Internationally established, the Care Transitions Measure (CTM) is used to assess the quality and safety of this transition from the patients' perspective. A systematic and standardized assessment of quality and safety in the discharge process from the patients' perspective has not been possible in German-speaking countries due to the lack of a German adaptation and validation of the CTM. This study aims to translate, adapt, and validate the CTM for use in German-speaking countries METHODS: The German version of the CTM was developed based on internationally accepted recommendations for translating and adapting questionnaires. Patients of all departments (except pediatric departments) of a German university hospital who were discharged home after at least three days of inpatient treatment received the questionnaire by mail between May and August 2022. A total of 806 patients participated in the survey. The validity of the CTM was tested by factor analyses. For this purpose, different factor models were compared. In addition, the measurement invariance of the instrument was examined. The construct validity of the long version of the CTM (15items) with a two-factorial model structure was confirmed with good model fit indices. The two subscales had excellent internal consistency. In addition, the one short version with four items achieved excellent model fit indices and high internal consistency. For the long version of the CTM, measurement invariance was confirmed for all sociodemographic, care-related, and survey response characteristics examined. The measurement invariance of the short version was only partially confirmed. The validity and reliability of the German version of the CTM were confirmed. In its long version, the instrument is measurement invariant across various characteristics and thus allows valid interpretation of group differences. The short version is partially measurement invariant and is suitable as a screening instrument for assessing the quality and safety of discharge processes due to its high validity and reliability. With a validated and standardized German version of the CTM, an instrument is now available to assess the quality and safety of the discharge process from the patients' perspective. Thus, this study provides an essential tool for systematically investigating and optimizing patient safety in the discharge process.