HSI Calculator | Heaviness of Smoking Index
The Heaviness of Smoking Index (HSI) calculator estimates nicotine dependence from only two questions. Answering them will allow you to categorize your addiction as low, medium, or high.
Read the article below to find out what HSI stands for and learn some interesting facts about the Heaviness of Smoking Index questionnaire and nicotine dependence in general.
Nicotine dependence is a state where you need nicotine to function normally, and you cannot stop using it. Nicotine is a chemical compound that naturally occurs in some plants, including tobacco. Its use is associated with pleasing effects on the brain, and therefore nicotine it's often used as a stimulant.
Cigarettes contain tobacco and are highly addictive due to their nicotine content. Cigarette smoking is associated with many health problems, including lung cancer, chronic obstructive pulmonary disease, and heart disease. It doesn't matter how long you have smoked for – quitting smoking can improve your health. It may not be easy, but it is possible to stop the dependence on nicotine.
If you are fighting with nicotine addiction, we have other resources that you may find useful:
- Cigarette calculator - helps you estimate your lifetime exposure to cigarettes;
- Smoking recovery calculator - shows you the process of recovery after smoking cessation;
- Pack year calculator - helps you to find out how many packs of cigarettes you have smoked in your life and provides a pack year value;
- Cigarette butt calculator - will encourage you to start your clean-up initiative; and
- Quit smoking calculator - helps you to estimate your potential savings if you decide to quit smoking.
Heaviness of Smoking Index questionnaire - what is HSI?
The Heaviness of Smoking Index (HSI) questionnaire was developed to measure nicotine dependence using two questions from theand the :
1. On the days that you smoke, how soon after you wake up do you have your first cigarette?
2. How many cigarettes do you typically smoke per day?
Each question has four possible answers, scored from 0 to 3 points:
- Within 5 minutes (3 points);
- 6- 30 minutes (2 points);
- 31-60 minutes (1 point); and
- After 60 minutes (0 points).
- 10 or fewer (0 points);
- 11-20 (1 point);
- 21-30 (2 points); and
- 31 or more (3 points).
HSI is commonly used both in the clinic and in population surveys to assess nicotine dependence.
Heaviness of Smoking Index (HSI) interpretation
Depending on the Heaviness of Smoking Index score, nicotine dependence is categorized in the following ways:
- Low (0-2 points);
- Medium (3-4 points); and
- High (5-6 points).
The maximum score of the Heaviness of Smoking Index is 6.
Using the HSI calculator couldn't be easier. Just answer two questions:
- How soon after you wake up do you have your first cigarette?
- How many cigarettes do you typically smoke per day?
You can choose one of the four possible answers.
At the bottom of the HSI calculator, you will be able to see a result interpretation based on your answers.
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