Effect of Waterpipe Size on Smoking Behavior and Exposures
Study Details
Study Description
Brief Summary
This project will generate novel evidence regarding the effect of waterpipe size on smoking behavior, toxicant exposures and subjective experiences among waterpipe smokers. Findings from this project will help the FDA in developing waterpipe size-specific regulations to curb waterpipe smoking in the US and protect public health.
| Condition or Disease | Intervention/Treatment | Phase |
|---|---|---|
|
N/A |
Study Design
Arms and Interventions
| Arm | Intervention/Treatment |
|---|---|
| Experimental: waterpipe regular smokers waterpipe regular smokers will be invited for 3 lab visits where they are allocated (random order) to smoke 3 waterpipe different sizes. |
Other: Waterpipe size
Participants will have 3 lab visits where they are allocated (random order) to smoke a small waterpipe in one visit, smoke a medium waterpipe in a second visit and smoke a large waterpipe in a third visit.
|
Outcome Measures
Primary Outcome Measures
- Waterpipe Evaluation Scale [Immediately after the exposure (smoking) on the 1st lab visit (day 1)]
How participants rate their smoking experience before and after smocking different sizes of waterpipe. Is an 11-item questionnaire. This scale will be answered on a 7-point Likert scale (1-7). Higher scores indicates better satisfactory experience.
- Waterpipe Evaluation Scale [Immediately after the exposure (smoking) on the 2nd lab visit (day 3)]
How participants rate their smoking experience before and after smocking different sizes of waterpipe. Is an 11-item questionnaire. This scale will be answered on a 7-point Likert scale (1-7). Higher scores indicates better satisfactory experience.
- Waterpipe Evaluation Scale [Immediately after the exposure (smoking) on the 3rd lab visit (day 5)]
How participants rate their smoking experience before and after smocking different sizes of waterpipe. Is an 11-item questionnaire. This scale will be answered on a 7-point Likert scale (1-7). Higher scores indicates better satisfactory experience.
- Duke Sensory Questionnaire [Immediately after the exposure (smoking) on the 1st lab visit (day 1)]
How participants rate their sensory experience before and after smocking different sizes of waterpipe. This scale consists of nine items. This scale will be answered on a 7-point Likert scale (1-7) anchored at the extremes (1= not at all; 7=extremely) . Higher scores indicate a better sensory experience.
- Duke Sensory Questionnaire [Immediately after the exposure (smoking) on the 2nd lab visit (day 3)]
How participants rate their sensory experience before and after smocking different sizes of waterpipe. This scale consists of nine items. This scale will be answered on a 7-point Likert scale (1-7) anchored at the extremes (1= not at all; 7=extremely) . Higher scores indicate a better sensory experience.
- Duke Sensory Questionnaire [Immediately after the exposure (smoking) on the 3rd lab visit (day 5)]
How participants rate their sensory experience before and after smocking different sizes of waterpipe. This scale consists of nine items. This scale will be answered on a 7-point Likert scale (1-7) anchored at the extremes (1= not at all; 7=extremely) . Higher scores indicate a better sensory experience.
- Harm Perception Questionnaire [Immediately after the exposure (smoking) on the 1st lab visit (day 1)]
How participants rate their harm perception before and after smocking different sizes of waterpipe. This scale consists of 3 items. This scale will be answered on a 7-point Likert scale ranging from 1 (not at all harmful), to 7 (extremely harmful).
- Harm Perception Questionnaire [Immediately after the exposure (smoking) on the 2nd lab visit (day 3)]
How participants rate their harm perception before and after smocking different sizes of waterpipe. This scale consists of 3 items. This scale will be answered on a 7-point Likert scale ranging from 1 (not at all harmful), to 7 (extremely harmful).
- Harm Perception Questionnaire [Immediately after the exposure (smoking) on the 3rd lab visit (day 5)]
How participants rate their harm perception before and after smocking different sizes of waterpipe. This scale consists of 3 items. This scale will be answered on a 7-point Likert scale ranging from 1 (not at all harmful), to 7 (extremely harmful).
- Puff topography [During the exposure (smoking) on the 1st lab visit (day 1)]
Puff topography will be recorded using a device integrated into the waterpipe hose and will measure how participants puffing behavior change based on the different smoked waterpipe sizes. Specifically, this outcome measure the total volume for the inhaled smoke and the volume for each puff in Liters.
- Puff topography [During the exposure (smoking) on the 2nd lab visit (day 3)]
Puff topography will be recorded using a device integrated into the waterpipe hose and will measure how participants puffing behavior change based on the different smoked waterpipe sizes. Specifically, this outcome measure the total volume for the inhaled smoke and the volume for each puff in Liters.
- Puff topography [During the exposure (smoking) on the 3rd lab visit (day 5)]
Puff topography will be recorded using a device integrated into the waterpipe hose and will measure how participants puffing behavior change based on the different smoked waterpipe sizes. Specifically, this outcome measure the total volume for the inhaled smoke and the volume for each puff in Liters.
- Saliva nicotine [Immediately after the exposure (smoking) on the 1st lab visit (day 1)]
How participants' nicotine concentrations change based on the different smoked waterpipe sizes
- Saliva nicotine [Immediately after the exposure (smoking) on the 2nd lab visit (day 3)]
How participants' nicotine concentrations change based on the different smoked waterpipe sizes
- Saliva nicotine [Immediately after the exposure (smoking) on the 3rd lab visit (day 5)]
How participants' nicotine concentrations change based on the different smoked waterpipe sizes
Eligibility Criteria
Criteria
Inclusion Criteria:
-
regular waterpipe smokers (smoking at least once a week for the past 6 months)
-
generally healthy and
-
able to provide written informed consent; and willing to attend the 3 lab sessions
Exclusion Criteria:
-
history of chronic diseases such as diabetes, high blood cholesterol, hepatic disease
-
respiratory chronic diseases
-
cardiovascular diseases including low or high blood pressure (BP)
Contacts and Locations
Locations
| Site | City | State | Country | Postal Code | |
|---|---|---|---|---|---|
| 1 | University of Texas at Arlington | Arlington | Texas | United States | 76019 |
Sponsors and Collaborators
- The University of Texas at Arlington
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- 2021-0458