Q10068. Berkesonian bias is a type of ?

Q10076. The difference between descriptive and analytic studies?

Q10077. Strength of association of outcome and risk factor is measured by?

Q10078. Important measure for National health policy?

Q10081. Recall bias is most commonly associated with which study design -

Q10082. True about standardization are all except?

Q10083. Standardization is most important for?

Q10084. Standardized death rates are used because health?

Q10085. True about cohort study

Q10086. All are true about natural experiments, except?

Q10093. Isolation period of TB ?

Q10094. Sensitivity of a screening test tells about

Q10095. If effective treatment for a disease is introduced in a community, what will be the effect on incidence [I] and prevalence [P] ?

Q10096. A screening test has sensitivity of 90% and specificity of 99%. The prevalence of disease under investigation is 5 per 1000 population. What is the PPV of the given screening test?

Q10097. Best indicator for spread of TB in a community?

Q10098. For diagnosis of TB, Sputum microscopy has ?

Q10104. Post-exposure prophylaxis is indicated in ?

Q10115. Threshold level of herd immunity for Pertussis is?

Q10120. Jai Vigyan Mission mode project in India is for?