Sujal Parkar, Anand Patel, Abhishek Sharma
Department of Public Health Dentistry, Siddhpur Dental College and Hospital, Hemchandracharya North Gujarat University, Patan, Gujarat, India.
Department of Oral Medicine and Radiology, Government Dental College and Hospital, Gujarat University, Ahmedabad, Gujarat, India.
Addict Health. 2021 Jan;13(1):29-35. doi: 10.22122/ahj.v13i1.291.
The purpose of this research was to compare Heaviness of Smoking Index (HSI), high early smoking, and heavy smoking with the Fagerstrom Test for Nicotine Dependence (FTND) and further to evaluate the sensitivity of HSI, high early smoking, and heavy smoking among existing smokers.
A cross sectional study was conducted by using FTND questionnaire among 200 existing smokers. The cut-off point for HSI was kept at 4; high early smokers and heavy smokers were classified as those individuals who smoked within 30 minutes after waking up and individuals who smoked 30 cigarettes or more daily, respectively. Receiver-operating characteristic (ROC) analysis and Cohen's Kappa statistics were evaluated.
A significant agreement was observed between the HSI and the FTND, having Kappa value of 0.70, with good sensitivity of 78.16% and specificity as high as 91.15%. The ROC analysis confirmed that a cut-off score of 4 for HSI was suitable. Agreement between FTND and high early smoking was observed to be moderate (Kappa = 0.47, P < 0.001), while very low agreement (Kappa = 0.19, P < 0.001) was observed for FTND and heavy smoking.
Results show that HSI is an effective tool which can be substituted for the conventional FTND by the clinicians, psychotherapists, and investigators in health research.
本研究的目的是比较吸烟严重程度指数（HSI）、早期大量吸烟和重度吸烟与尼古丁依赖的法格斯特龙测试（FTND），并进一步评估HSI、早期大量吸烟和重度吸烟在现有吸烟者中的敏感性。
采用FTND问卷对200名现有吸烟者进行横断面研究。HSI的临界值设定为4；早期大量吸烟者和重度吸烟者分别定义为醒来后30分钟内吸烟的个体和每天吸烟30支及以上的个体。评估受试者工作特征（ROC）分析和科恩kappa统计量。
HSI与FTND之间存在显著一致性，kappa值为0.70，敏感性良好，为78.16%，特异性高达91.15%。ROC分析证实HSI的临界值为4是合适的。FTND与早期大量吸烟之间的一致性为中等（kappa = 0.47，P < 0.001），而FTND与重度吸烟之间的一致性非常低（kappa = 0.19，P < 0.001）。
结果表明，HSI是一种有效的工具，临床医生、心理治疗师和健康研究中的研究人员可以用它替代传统的FTND。
