Privacy, copyright, security and other concerns make it essential for many distributed web applications to support selective sharing of information while, at the same time, protecting sensitive knowledge. Secrecypreserving reasoning refers to the answering of queries against a knowledge base involving inference that uses sensitive knowledge without revealing it. We present a general framework f...

Background & Aims: Identification of dietary patterns and food groups' consumption can be beneficial in improving public health. This study aimed to evaluate the daily dietary pattern of households in Kermanshah, 2011. Methods: A total of 500 households in Kermanshah/Iran were selected through multi-stage clustersampling. Data were collected using demographic questionnaire and food frequency qu...

  Background: Women-headed households are more exposed to social damages than other women. Such condition remarkably influences the women’s health-related life quality. The present study is aimed to investigate the effect of an educational intervention in quality of life of women-headed households under protection of Tehran Welfare Organization, in 2015.   Methods: In th...

background: the goal of the current study was to investigate the association between socioeconomic status (ses) and knowledge, attitude and practice (kap) of iranian households toward use of iron and vitamin a&d; supplements in infants and pregnant women. method: overall, 14,136 iranian households from urban and rural areas of 31 provinces were considered as the study population. a multi-stage ...

BACKGROUND The purpose of this study was to determine whether the National Health Interview Survey is a useful source to identify informative families for genetic studies of birth defects. METHODS The 1994/1995 National Health Interview Survey (NHIS) was used to identify households where individuals with two or more birth defects reside. Four groups of households were identified: 1) single no...

Cooking oils are among the most important dietary components. Some of the influential factors in the combustion pattern of cooking oils include the mode of cooking, knowledge of the diseases caused by cooking oils, and price of cooking oils. This cross-sectional, descriptive-analytical study was conducted in the winter of 2018. The research units were selected via simple random sampling. The sa...

Background: Knowledge regarding distribution and determinants of household food insecurity focusing on vulnerable groups is utmost important for ensuring food security, which is every nation prime agenda. This study was conducted to determine the prevalence and determinants of household food insecurity among the tribal population of Purulia, West Bengal. Methods: A cross-sectional study was car...

the aim of this study was investigation of the factors affecting the primary choice of consumers in food purchasing in mashhad city by applying cross section data of 201 households in 2012. in this study, 56, 30, and 14% of the consumers chose healthiness of food, price of food, and taste of food, respectively, as the primary preference in food purchase. results of applying multinomial logit mo...

Narratives play an important role in education, for pragmatic and theoretical reasons. Narrative skills of four-year-old children are hypothetically important for later school success. This research investigated the relationship between specific narrative skills and social class in a culturally and racially homogeneous sample, focusing particularly on narratives of economically disadvantaged ch...