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Table 4 Distribution of rural participants in two Web-based tobacco cessation trials and the US population

From: Measuring participant rurality in Web-based interventions

RUCA groups ChewFree smokeless tobacco cessation trial SHIP smoking cessation trial US population
  (N = 2507) (N = 2263)  
Urban 63.9% 80.3% 81.0%
Large rural/town 16.1% 10.4% 9.6%
Small rural/town 12.0% 5.3% 5.2%
Isolated small rural/town 8.1% 4.1% 4.2%