After viewing the PLS and providing their consent, participants completed a 5-item screening questionnaire to ensure they met the inclusion criteria for the study. Those that completed the screening but did not meet the study criteria were redirected to a web page that thanked them for their inte...
Construct Validity and Reliability of a Knowledge, Attitude, Perception, and Behaviors on Dietary Practices Questionnaire for School-Age Children in Panama PDF | Full-text Ríos-Castillo ISingle Stage Surgical Management of an Adult Patient with Crouzon Syndrome PDF Walecha KEstablishing a Special ...
We invited all participants to fill out a questionnaire online. All participants gave their informed consent at the beginning of the survey. The instructions read, Please think about your current supervisor. You will be asked questions regarding your relations with her/him during the past month. ...
Walking or bicycling (for transportation) was also included in the NHANES questionnaire. The participants reported the frequency and average duration of engagement in each activity per week. Using this information, we calculated the average daily duration of each activity. Assessment of outcomes The ...
The data set included sociodemographic variables, including age, sex, race, and ethnicity, which were collected using a standardized questionnaire. Self-reported race was in 6 categories, and we grouped participants into 4 mutually exclusive racial and ethnic categories: non-Hispanic Black, Hispanic,...
When we say data aremissing completely at random, we mean that the missingness has nothing to do with the observation being studied (Completely Observed Variable (X) and Partly Missing Variable (Y)). For example, a weighing scale that ran out of batteries, a questionnaire might be lost in ...
Socioeconomic differentials in misclassification of height, weight and body mass index based on questionnaire data. Int J Epidemiol 1997; 26: 860–866. Article CAS PubMed Google Scholar Villanueva EV . The validity of self-reported weight in US adults: a population based cross-sectional study....
Mediterranean Diet Adherence For the assessment of dietary patterns, a validated semiquantitative food-frequency questionnaire of 131 questions was administered to the study participants at baseline.28 The Mediterranean diet score has been previously described in detail.19 Briefly, the Mediter...
For physical activity, participants were asked an array of questions related to daily activities in the questionnaire. Physical activity for each participant was categorized as follows: (1) below, 150 minutes per week moderate- to vigorous-intensity activity; (2) meet, 150 to 300 minutes per ...
Walking or bicycling (for transportation) was also included in the NHANES questionnaire. The participants reported the frequency and average duration of engagement in each activity per week. Using this information, we calculated the average daily duration of each activity. Assessment of outcomes The ...