In 2000, India revoked the ban on production and sale of non-iodised salt. We conducted a study in the north 24 Parganas district in the state of West Bengal to assess the prevalence of goitre, status of urinary iodine excretion (UIE) level and to estimate iodine content of salts at the household level. We surveyed 363 school children aged eight to ten years selected using a multistage cluster ...

In the past, to study Mendelian diseases, segregating families have been carefully ascertained for segregation analysis, followed by collecting extended multiplex families for linkage analysis. This would then be followed by association studies, using independent case-control samples and/or additional family data. Recently, for complex diseases, the initial sampling has been for a genome-wide l...

The U. S. Consumer Price Index (CPI) uses a multistage sample design which is revised approximately every ten years. The first stage consists of selecting primary sampling units (PSUs). The selected PSUs are also used in the Consumer Expenditure Survey (CE) and the Consumer Point of Purchase Survey (CPOPS). This paper describes the recently completed PSU selection process for the 1998 CPI Revis...

Abstract Survey data are often collected under multistage sampling designs where units binned to clusters that sampled in a first stage. The unit-indexed population variables of interest typically dependent within cluster. We propose Fully Bayesian method constructs an exact likelihood for the observed sample incorporate unit-level marginal weights performing unbiased inference parameters while...

In order to assess sex differences in body physique in Santhals, a cross sectional sample of 800 adult Santhals (400 males and 400 females) was collected from West Bengal (India) using multistage cluster random sampling. The present study aims to explore the body physique of Santhals of West Bengal, where both males and females do backbreaking labor work. This type of research is rare in tribal...

purpose: the purpose of this study is to investigate the effect of the types of electronic services in public libraries on the users' satisfaction level. methodology: this study is of descriptive and analytical type and is done by the survey method. the statistical population was all the active members of public libraries in the west azerbaijan province. sample selection was done through multis...

There are about 300 million online gamers in India according to AIGF. Most of the time adolescents engaged screen-based recreation with no physical activity led adverse and psychological outcomes. Studies show that there is a strong association between problematic internet gaming low academic performance. The current research attempted study impact parenting style self-control on addiction amon...

OBJECTIVES To compare the difference between the China growth reference and the WHO growth standards in assessing malnutrition of children under 5 years. SETTINGS The households selected from 31 provinces, autonomous regions and municipalities in mainland China (except Taiwan, Hong Kong and Macao). PARTICIPANTS Households were selected by using a stratified, multistage probability cluster s...

AIM The aim of the present study was to assess the maternal socioeconomic status and the caries experience among 2-6 years old preschool children of Lucknow city, India. MATERIAL AND METHODS A sample of 512 preschool going children were selected through a multistage cluster random sampling. Their mothers provided information regarding their demographic data. Their socioeconomic statuses were ...