Characteristics of the study population (Swiss Childhood Cancer Survivor Study) and the control population (Swiss Health Survey).

<p>Abbreviations: BMI, Body Mass Index; CNS, Central Nervous System; ICCC-3, International Classification of Childhood Cancer - Third Edition; na, not applicable.</p>a<p>weighted proportions and numbers of the Swiss normal population according to the marginal distribution in survivors on: age, gender, language region, and nationality.</p>b<p>percentages are based upon available data for each variable.</p>c<p>p-value calculated from chi-square statistics.</p>d<p>populations are weighted on these variables to make them comparable.</p>e<p>chemotherapy may include surgery.</p>f<p>radiotherapy may include surgery or chemotherapy.</p>g<p>other malignant epithelial neoplasm, malignant melanomas and other or unspecified malignant neoplasm.