Esquivel M, González C

Language: English
References: 32
Page: 13-18
PDF size: 144.60 Kb.

ABSTRACT

Introduction Rising prevalence of excess weight in children and adolescents is a serious public health problem in both developed and developing countries, associated with a growing burden of chronic non-communicable diseases in youth and adults. In Cuba, populationbased growth and development surveys have been conducted since the 1970s, the latest in 2005.
Objective Estimate prevalence of overweight, obesity and high adiposity in children and adolescents aged ≤ 19 years in Havana, Cuba, in 1972, 1993 and 2005, and describe secular trends in these conditions in the periods observed.
Methods A retrospective, descriptive study examined data from growth and development surveys conducted in Havana in 1972, 1993 and 2005, which obtained Body Mass Index (BMI) and left mid-arm fat area (MAFA) in the population aged ≤ 19 years using probabilistic sampling and comparable methods of anthropometric measurement and data verification, processing and analysis. Age- and sex-specific percentiles were used as cutoff points for diagnosing overweight, obesity and high adiposity in 3 age groups (early childhood: ‹ 5 years; childhood: 5–9 years; and adolescence: 10–19 years). Descriptive statistics were used to calculate prevalence, expressed as a percentage of the population surveyed in each nutritional status category, by sex, age group and survey year. Trends were established by comparing prevalence in 3 periods: 1972–1993, 1993–2005 and 1972–2005. Statistical significance of the percentage differences between survey years in each period was calculated using 95% confidence intervals (CI).
Results Prevalence of excess weight (overweight + obesity) in the study population was 15.3% in 1972, 9.6% in 1993, and 16.4% in 2005, and was more frequent in males but varied by age group and survey year. Prevalence of high adiposity decreased from 13.3% in 1972 to 12.7% in 1993, increasing significantly to 28.8% in 2005. High adiposity was more frequent in males and decreased as age increased, except in children aged ‹ 5 years, who had lowest adiposity in 1972. While excess weight predominated over high adiposity in 1972 (15.3% and 13.3%, respectively), this relationship was reversed in 1993 (9.6% excess weight vs 12.7% high adiposity) and continued as a growing trend in 2005 (16.4% excess weight vs 28.8% high adiposity).
Conclusions Prevalence of excess weight and high adiposity generally declined during economic crisis and scarcity, and rose as the economy improved. Continued monitoring is required to detect sustained or rising prevalence of these conditions and to develop interventions to reduce health risks.

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