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Table 5 Current smokers who have tried to quit smoking in the past year: Whether used aids (nicotine gum, patch, spray, inhaler, lozenge, or prescription pill), by level of non-specific psychological distress, US National Health Interview Survey (n = 2,747)

From: Non-specific psychological distress, smoking status and smoking cessation: United States National Health Interview Survey 2005

  % 95% CI
K6 level of non-specific psychological distress   
0 - 2 27.3 (24.6 - 30.1)
3 - 7 30.6 (26.6 - 34.5)
8 - 12 30.1 (24.4 - 35.8)
13 - 24 32.2 (25.1 - 39.3)