Table 2.

Logistic regression odds ratios (OR) and 95% confidence intervals of high to very high levels of psychological distress by smoking status

Smoking status	Model 1		Model 2		Model 3		Model 4
	OR	95% CI	aOR	95% CI	aOR	95% CI	aOR	95% CI
Never smokers (ref)	1		1		1		1
Current smokers	2.44	(2.13-2.79)	2.21	(1.91-2.55)	1.82	(1.57-2.11)	1.45	(1.24-1.69)
Ex-smokers	1.28	(1.10-1.48)	1.42	(1.21-1.66)	1.33	(1.13-1.56)	1.18	(1.00-1.39)

Model 1 = Crude model

Model 2 = Adjusted for Age, Sex, Prioritised Ethnicity and Marital Status

Model 3 = Adjusted as per Model 2 plus: Household Income, Labour Market Activity, Educational Qualification and NZ (area) Deprivation

Model 4 = Adjusted as per Model 3 plus: NZ individual deprivation (NZiDep)