statistics

posted by .

Prospective Cohort Study

The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up.

Full Data:


Sex-Specific Data:

Males
1. Assume that this cohort is a simple random sample from a broader population of interest. Model the number of disease positive individuals among all exposed individuals in the sample using the binomial distribution with probability of disease ; and model the number of disease positive individuals among the unexposed in the sample using a binomial distribution, with probability of disease . Estimate , the proportion of exposed individuals who are disease positive, and provide an exact 95% confidence interval.

Estimated Proportion:

unanswered

Confidence Interval:

Lower Bound:

unanswered

Upper Bound:

  • statistics -

    Use these data to solve the above problem, it will become easier
    Full data
    D+ D- Total
    E+ 30 270 300
    E- 20 180 200
    Total 50 450 500

    Male
    D+ D- Total
    E+ 12 108 120
    E- 8 72 80
    Total 20 180 200

    Female
    D+ D- Total
    E+ 18 162 180
    E- 12 108 120
    Total 30 270 300

  • statistics -

    1. 2.5

  • statistics -

    Please do not answer these questions, It is not a help. It is challenge for a new education system, I think this should be immediately stopped to cheer at least those who are working hard to learn

  • statistics -

    these numbers are wrong. did you change the numbers???

    where are you getting this data???

  • statistics -

    please help, today is the last date to attempt for this

  • statistics -

    How do you find confidence interval for the first one(first part)?

  • statistics -

    i have first part. If u have a second, wy can exchange.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. epi

    In a population-based cohort study, an entire community was interviewed regarding smoking habits and then followed for one year. All lung cancer deaths were ascertained and the following data were available: •Fifteen (15) lung cancer …
  2. epi

    In a population-based cohort study, an entire community was interviewed regarding smoking habits and then followed for one year. All lung cancer deaths were ascertained and the following data were available: •Fifteen (15) lung cancer …
  3. Statistics

    A group of doctors is trying to see if a vaccine causes a certain type of disease. They take individuals with the certain disease and individuals without the disease. They then use research to estimate the relative incidence of the …
  4. Epidemiology

    How the bias would affect the measure of association. Would it be under or over estimated?
  5. Epidemiology

    Indicate how the bias would affect the measure of association. Would it be under estimated, or over estimated or unchanged. Persons diagnosed as HIV positive or negative were interviewed about their number of lifetime sexual partners. …
  6. Epidemiology

    Identify the study design best described by the scenarios or research questions presented below. Provide a two-sentence rationale for your answer. Choose from: • Ecologic • Cross-sectional • Case-control • Retrospective (Historical) …
  7. statistics

    Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between …
  8. statistics

    1. Prospective Cohort Study The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years …
  9. Statistics

    Prospective Cohort Study The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years …
  10. Stadistics

    Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between …

More Similar Questions