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Table 6 Adjusted associations with quit success using three different indicators for mental health (ever diagnosis, past-year treatment, past-month distress)

From: Mental health and smoking cessation—a population survey in England

  Quit > 1 month Quit any length
Success rate, %1 OR, 95% CI p Success rate, %1 OR, 95% CI p
Ever diagnosis
 No 18.3 Ref   18.8 Ref  
 Yes 18.1 1.14 (0.83–1.57) 0.43 19.6 1.23 (0.94–1.62) 0.13
Support used
 Non-evidence-based 16.4 Ref   16.5 Ref  
 NRT over the counter 14.1 1.06 (0.62–1.81) 0.84 16.7 1.32 (0.85–2.07) 0.22
 E-cigarettes 21.5 2.25 (1.59–3.18) < 0.001 23.0 2.21 (1.64–2.98) < 0.001
 Prescription and/or behavioural support 18.9 1.68 (1.00–2.84) 0.051 18.8 1.46 (0.92–2.31) 0.11
Past-year treatment
 No 18.3 Ref   19.2 Ref  
 Yes 18.0 1.13 (0.78–1.62) 0.52 18.9 1.08 (0.80–1.48) 0.61
Support used2
 Non-evidence-based   Ref    Ref  
 NRT over the counter   1.05 (0.61–1.80) 0.86   1.31 (0.84–2.05) 0.24
 E-cigarettes   2.24 (1.58–3.17) < 0.001   2.21 (1.64–2.98) < 0.001
 Prescription and/or behavioural support   1.68 (1.00–2.84) 0.051   1.48 (0.93–2.34) 0.099
Past-month distress
 No 19.9 Ref   20.9 Ref  
 Moderate 16.2 0.88 (0.61–1.27) 0.49 17.1 0.89 (0.65–1.21) 0.46
 Serious 15.3 1.11 (0.66–1.87) 0.69 14.8 0.89 (0.57–1.40) 0.61
Support used2
 Non-evidence-based   Ref    Ref  
 NRT over the counter   1.06 (0.62–1.82) 0.84   1.29 (0.83–2.03) 0.26
 E-cigarettes   2.25 (1.59–3.18) < 0.001   2.21 (1.64–2.97) < 0.001
 Prescription and/or behavioural support   1.69 (1.01–2.86) 0.047   1.50 (0.95–2.38) 0.085
  1. Unweighted n = 1956 for quit any length, n = 1639 for quit success > 1 month
  2. Adjusted for age, gender, occupational grade, urges to smoke, time since quit attempt started, number of quit attempts in the past year and type of cigarette
  3. NRT nicotine replacement therapy, OTC over-the-counter (without prescription)
  4. 1Weighted % with the relevant outcome, logistic regressions unweighted
  5. 2Success rates as shown in first section of table