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Table 3 Logistic regression odds ratios (OR) and 95% confidence intervals of high to very high levels of psychological distress by quit status (in ex and current smokers only)

From: The association between failed quit attempts and increased levels of psychological distress in smokers in a large New Zealand cohort

Smoking and quit status Model 1 Model 2 Model 3 Model 4
  OR 95% CI aOR 95% CI aOR 95% CI aOR 95% CI
Ex-smoker, quit > = 5 years ago (reference) 1   1   1   1  
Ex-smoker, quit < 5 years ago 1.67 (1.30-2.16) 1.42 (1.08-1.86) 1.39 (1.05-1.82) 1.33 (1.00-1.76)
Current smoker tried to quit (last 12 months) 3.06 (2.50-3.75 2.37 (1.89-2.97) 2.02 (1.60-2.55) 1.73 (1.36-2.21)
Current smoker, not tried to quit (last 12 months) 1.65 (1.35-2.02) 1.34 (1.07-1.68) 1.20 (0.95-1.51) 1.16 (0.92-1.47)
  1. Model 1 = Crude model
  2. Model 2 = Adjusted for Age, Sex, Prioritised Ethnicity and Marital Status
  3. Model 3 = Adjusted as per Model 2 plus: Household Income, Labour Market Activity, Educational Qualification and NZ (area) Deprivation
  4. Model 4 = Adjusted as per Model 3 plus: NZ individual deprivation (NZiDep)