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<h2 class="hd hd-2 unit-title">Part I</h2>
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<p class="MsoNormal">Your team is interested in conducting a study on anemia in Tamil Nadu. As part of the study 23,000 women were interviewed. Consent was obtained and hemoglobin testing was conducted in 22,100 of the non-pregnant women in the sample across the state over a period of one month. The results were as follows:</p>
<table style="width: 480px; line-height: 24.6px; word-wrap: normal;" border="1"><caption><b>Anemia Test Results</b></caption>
<tbody>
<tr><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap"></th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">No-Anemia <br />(Hb >12.0)</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">Mild Anemia <br />(Hb 11.0-11.9)</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">Moderate Anemia <br />(Hb 8.0-10.9)</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">Severe Anemia <br />(Hb <8.0)</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">Total <br />Population</th></tr>
<tr>
<td style="text-align: center;"></td>
<td style="text-align: right;">10,387</td>
<td style="text-align: right;">7,735</td>
<td style="text-align: right;">3,094</td>
<td style="text-align: right;">884</td>
<td style="text-align: right;">22,100</td>
</tr>
<tr>
<td style="text-align: center;"><b>Prevalence</b></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
</tr>
<tr>
<td style="text-align: center;"><b>Incidence</b></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
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<p>What is the definition of prevalence?</p>
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<p>Calculate the prevalence for Moderate Anemia in your sample (enter your answer as a whole number, e.g., 23):</p>
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<p>Calculate the prevalence for Severe Anemia in your sample (enter you answer as a whole number, e.g., 23):</p>
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<p>Calculate the prevalence for &#8220;any type of anemia&#8221; in your sample (enter your answer as a whole number, e.g., 23):</p>
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<p>What is the definition of incidence?</p>
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<p>Calculate the incidence rate of &#8220;any type of anemia&#8221; in your sample.</p>
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<h2 class="hd hd-2 unit-title">Part II</h2>
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<p>You are conducting a study on HIV and are following a cohort of 6,452 men aged 18-49 years of age in Uganda who are HIV negative at the start of the study. The men are tested for HIV every year, over a total period of 3 years. The results of the HIV testing are presented in the table below:</p>
<table style="width: 480px; line-height: 24.6px; word-wrap: normal;" border="1"><caption><b>Anemia Test Results</b></caption>
<tbody>
<tr><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap"></th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap"><b>Total </b># of <br />HIV cases</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap"><b>Total </b># testing <br />HIV negative</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">Prevalence</th><th scope="col" style="width: 120px; text-align: center;" nowrap="nowrap">Incidence per <br />1,000</th></tr>
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<td style="text-align: center;">Baseline</td>
<td style="text-align: right;">0</td>
<td style="text-align: right;">6,452</td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
</tr>
<tr>
<td style="text-align: center;">Year 1</td>
<td style="text-align: right;">68</td>
<td style="text-align: right;">6,384</td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
</tr>
<tr>
<td style="text-align: center;">Year 2</td>
<td style="text-align: right;">251</td>
<td style="text-align: right;">6,201</td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
</tr>
<tr>
<td style="text-align: center;">Year 3</td>
<td style="text-align: right;">743</td>
<td style="text-align: right;">5,709</td>
<td style="text-align: right;"></td>
<td style="text-align: right;"></td>
</tr>
</tbody>
</table>
</div>
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<p>Calculate the prevalence of HIV in your sample at baseline and at year 1, 2 and 3 of the study.</p>
<p><b>Baseline</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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<p><b>Year 1</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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<p><b>Year 2</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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<p><b>Year 3</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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<p>Calculate the HIV incidence <b>per 1,000</b> for year 1, year 2 and year 3 for your sample population.</p>
<p><b>Year 1</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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<span class="trailing_text" id="trailing_text_a94caa9a66484173b441a3bc2bb93528_2_1">per 1,000</span>
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</div><p><b>Year 2</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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</div><p><b>Year 3</b> (enter your answer rounded to 1 decimal place, e.g., 55.6):</p>
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<p>Calculate the HIV incidence rate per 1,000 at baseline for your sample population.</p>
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