OBJECTIVE This study was conducted to assess the reproducibility and validity of a food frequency questionnaire (FFQ) that was developed to assess the overall dietary consumption via dietary pattern method in a rural population in southwest China. METHODS A total of 179 participants aged between 40 and 70 years old were included in this study. Participants administered FFQ at baseline (FFQ1) ...

The pattern of food allergy in adults is different from that of children in various aspects. The typical foods involved in infants are milk, egg, peanut and probably tree nuts, whereas in older children and adults fruits and nuts are the most frequent allergenic foods. In addition, allergy to vegetables can occur. Allergy to milk and egg largely disappears at young age, but can still be present...

Data analysis has become a fundamental task in analytical chemistry due to the great quantity of analytical information provided by modern analytical instruments. Supervised pattern recognition aims to establish a classification model based on experimental data in order to assign unknown samples to a previously defined sample class based on its pattern of measured features. The basis of the sup...

When a reinforcement is delivered according to a fixed-ratio schedule, it has been found that responding occurs in a specific temporal pattern (Ferster & Skinner, 1957). Periods of no responding characteristically follow the delivery of the reinforcer. Once responding begins, it assumes a very high rate of several responses per second. The resulting performance is bivalued; responding occurs ei...

The study was conducted to assess the food habit and dietary patterns of rural people in Bogura district. A total 37 households were considered as respondents for study. specially designed questionnaire used a tool collecting data. revealed people's family background, occupation, consumption average intake carbohydrates, protein, oil, fruits other items, factors affecting their selection, satis...