Psychometric Properties of the Abdominal Pain Index (API) in the Iranian Adolescent Population

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Statistic factor</td><td class="align_center">1</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Eigenvalues</td><td class="align_center">39.3</td></tr><tr><td class="align_left">Percentage of explained variance</td><td class="align_center">84.67</td></tr><tr><td class="align_left">Cumulative percentage of total of variance</td><td class="align_center">84.67</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The eigenvalues and percentages of variance explained by the extracted factors of API.</div>

Pain Research and Management

tab1

Table 1

Table 1: Psychometric Properties of the Abdominal Pain Index (API) in the Iranian Adolescent Population 