Coronary risk factors in Belfast schoolchildren.

Although Northern Ireland leads the world in terms of coronary heart disease mortality, the prevalence of coronary risk factors in the childhood population is largely unknown. The aims of the present study were to assess the feasibility of collecting this data and to undertake a preliminary investigation of risk factor status. One hundred and three out of 154 first year pupils (67%), mean age 12.3 years from a Belfast secondary school had their height, weight, pubertal status and blood pressure estimated. Blood samples were analysed for serum cholesterol and thiocyanate in 99 children. 31% had elevated cholesterol, 13% had raised blood pressure, 13% were overweight and 5% were identified as smokers. There appeared to be relatively high risk factor levels with at least one risk factor present in 45% of children. No difficulties arose in compliance with the test protocol suggesting that coronary profiling in children on a large-scale is feasible. On the basis of these results, we feel that coronary risk factor status in Northern Irish children needs further evaluation.