Preeti Maharjan

5 Questions 9 Answers 0 Followers

Questions related from Preeti Maharjan

How to deal with missing values for a particular variable?

"In a retrospective controlled cohort study, if ~25% of participants have missing data on a crucial variable, is it acceptable to run an adjusted model by excluding these participants? Should the...

09 June 2024 2,001 2 View

How to collect data for cross sectional survey in a district in a populated LMIC district wihtout proper community mapping?

The target study population for this cross-sectional study is people aged 18-35 years residing in a densely populated urban district. The sample size was calculated based on the number of people...

05 November 2023 1,087 4 View

What would be an appropriate risk of bias tool for systematic review including mostly retrospective studies using administrative data?

My primary research question of the systematic review is to understand the proportion of health service use for a specific condition. Majority of the included articles are retrospective studies...

01 August 2023 2,397 1 View

How to calculate the number of participants for the pre post study design?

The sample size for my Knowledge, attitude, and practice survey is 400. From the information from this survey, I would like to develop an educational intervention. To assess the impact of this...

22 April 2023 3,035 4 View

How to determine the sample number for pretesting the survey questionnaire?

I am working on a project related to online abuse. The structured questionnaire consists of about 50 questions and we would like to pretest the survey questionnaires before actual data collection....

20 December 2021 4,444 23 View