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Table 1 Weighted prevalence for gender, ethnicity, age and perceived relative harm for across all three waves

From: Perception of the relative harm of electronic cigarettes compared to cigarettes amongst US adults from 2013 to 2016: analysis of the Population Assessment of Tobacco and Health (PATH) study data

Characteristics Modalities Wave 1 Wave 2 Wave 3
Sex 1 = Male 47.9% 48.7% 49.1%
Sex 2 = Female 52.1% 51.3% 50.9%
Race/ethnicity 1 = Non-Hispanic White 68.3% 68.2% 68.3%
Race/Ethnicity 2 = Non-Hispanic Black 10.9% 10.7% 10.6%
3 = Non-Hispanic other 6.5% 6.7% 6.8%
Race/Ethnicity 4 = Hispanic 11.1% 11.1% 11.1 %
Category of age 1 = 18 to 24 years old 13.5% 11.8% 9.9%
Category of Age 2 = 25 to 34 years old 17.9% 18.5% 18.7%
Category of Age 3 = 35 to 44 years old 17% 17% 16.9%
Category of Age 4 = 45 to 54 years old 18.8% 17.9% 17.9%
Category of Age 5 = 55 to 64 years old 17.4% 18.1% 18.3%
Category of Age 6 = 65 to 74 years old 10.7% 11.5% 12.3%
Category of Age 7 = 75 years old or older 4.7% 5.3% 6%
Relative harm perception − 8 = Do not know 5% 3.4% 1.8%
Risk Perception − 7 = Refused 0.2% 0.2% 0.1%
Risk Perception 1 = Less harmful 41.1% 31.5% 25.3%
Risk Perception 2 = About the same 47.2% 55.3% 62.9%
Risk Perception 3 = More harmful 6.5% 9.6% 9.8%
  1. Race/ethnicity was categorized as white non-Hispanic, black non-Hispanic, non-Hispanic other (i.e. American Indian/Alaskan Natives, Native Hawaiian, Pacific Islander, Multi-racial) and Hispanic of any race. Gender categories included male and female. Ages were categorized into the following groups: 18–24, 25–34, 35–44, 45–54, 55–64, 65–74 and 75 and older. Categories as defined by the PATH study