Impact of demographic factors on XXXX using population pyramid.

@entity1 @entity1109 @entity344
BACKGROUND: @entity344 are maladies that produce multiple symptoms. Suffering from these symptoms attributes @entity1 to an illness and self-treat or seek medical care. The objective of this study is to determine the relation between @entity344 and demographic factors using population pyramid. METHODS: This study was a cross-sectional survey conducted from May 2006 to December 2007 Tehran province, Iran. The questionnaire included personal and family characteristics such as age, gender, and educational level. In addition to this, interviewers asked about 10 @entity1109 . Comparison prevalence of @entity1109 among age groups was made via population pyramid. All analysis carried out using SPSS version 16. RESULTS: A total of 30,334 subjects were included in the study. The prevalence of @entity1109 increased with increasing age. Moreover, @entity1 had higher prevalence of symptoms and the @entity1109 were more prevalent in married individuals than single one. CONCLUSION: Age is dynamic in the sense that individuals continually age. It is the timing and sequencing of such changes that could be incorporated into analyses of health. So age pyramid is a flexible way to evaluate the effect of this factor on health in population.
