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Application of a System Dynamics Model to Inform Investment in Smoking Cessation Services in New Zealand

机译:系统动力学模型在新西兰戒烟服务投资中的应用

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摘要

Objectives. We estimated the long-term effects of smoking cessation interventions to inform government decision-making regarding investment in tobacco control.Methods. We extracted data from the 2006 New Zealand Tobacco Use Survey and other sources and developed a system dynamics model with the iThink computer simulation package. The model derived estimates of population cessation rates from smoking behaviors and applied these over a 50-year period, from 2001 to 2051, under business-as-usual and enhanced cessation intervention scenarios.Results. The model predicted larger effects by 2051 with the enhanced cessation than with the business-as-usual scenario, including: an 11% greater decline in adult current smoking prevalence (9 versus 10 per 100 people), 16% greater decline in per capita tobacco consumption (370 versus 440 cigarette equivalents per year), and 11% greater reduction in tobacco-attributable mortality (3000 versus 3300 deaths per year).Conclusions. The model generated reliable estimates of the effects on health and on tobacco use of interventions designed to enhance smoking cessation. These results informed a decision announced in May 2007 to increase funding for smoking cessation by NZ $42 million over 4 years.
机译:目标。我们估算了戒烟干预措施的长期影响,以为政府在烟草控制投资方面的决策提供依据。我们从2006年新西兰烟草使用调查和其他来源中提取了数据,并使用iThink计算机仿真软件包开发了系统动力学模型。该模型从吸烟行为中得出了人口戒烟率的估计值,并在常规情况和增强的戒烟干预方案下,于2001年至2051年的50年中应用了这些方法。该模型预测,到2051年,戒烟效果将比通常情况下更大,包括:成人目前吸烟率下降11%(每100人中9人与10人),人均烟草下降16%消费(每年370烟斗与440支香烟当量),以及因烟草引起的死亡率降低11%(每年3000烟斗对3300死亡)。该模型生成了旨在增强戒烟的干预措施对健康和烟草使用影响的可靠估计。这些结果为2007年5月宣布的一项决定作出了一项决定,即在4年内增加4200万新西兰元的戒烟资金。

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