Table 3

Parameter estimates for models containing individual social class and smoking, area deprivation, and social class and smoking aggregated to the area level (n = 8804)

Covariate	Model A				Model B			Model C				Model D
Covariate	OR		(95% CI)		OR	(95% CI)		OR		(95% CI)		OR		(95% CI)
Individual level
Social class (baseline high)
Intermediate					1.10	(0.97,1.26)
Low					1.19	(1.03,1.37)
Smoking (baseline never)
Light								1.17		(0.94,1.46)
Moderate								0.99		(0.84,1.17)
Heavy								1.08		(0.91,1.27)
Former								1.18		(1.03,1.34)
Area level												1.04		(1.02,1.06)
Carstairs score
Categorised deprivation (baseline least deprived)
Mid-deprived
Most deprived
Area social class
Area smoking score
Variance between areas (95% CI)	0.035		(0.004,0.079)		0.034	(0.006,0.077)		0.041		(0.007,0.087)		0.018		(0.000,0.054)
DIC	9106.4				9104.5			9105.8				9088.1
	Model E			Model F				Model G			Model H
Individual level
Social class (baseline high)
Intermediate	1.07	(0.94,1.22)
Low	1.13	(0.98,1.31)
Smoking (baseline never)
Light	1.14	(0.91,1.42)
Moderate	0.93	(0.79,1.10)
Heavy	1.00	(0.84,1.17)
Former	1.17	(1.04,1.33)
Area level
Carstairs score	1.04	(1.02,1.06)
Categorised deprivation (baseline least deprived)
Mid-deprived				1.13			(0.99,1.30)
Most deprived				1.32			(1.15,1.51)
Area social class								1.59	(1.28,1.99)
Area smoking score											1.46		(1.22,1.74)
Variance between areas (95% CI)	0.023	(0.001,0.058)		0.029			(0.002,0.074)	0.023	(0.001,0.058)		0.027		(0.002,0.066)
DIC	9088.5			9096.9				9094.7			9093.5