Table 4.

Between racial/ethnic group^a change in number of cigarettes smoked among smokers in the period preceding and following chronic disease diagnosis, HRS 1992–2010

	Diabetes		Heart Disease		Stroke		Cancer		Lung Disease
	Post-diagnosis cigarettes smoked (n = 490)		Post-diagnosis cigarettes smoked (n = 832)		Post-diagnosis cigarettes smoked (n = 317)		Post-diagnosis cigarettes smoked (n = 348)		Post-diagnosis cigarettes smoked (n = 758)
	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI
White (reference group)	-	-	-	-	-	-	-	-	-	-
Black	0.70**	0.54–0.91	0.54**	0.41–0.72	0.53**	0.35–0.80	0.67*	0.47–0.96	1.02	0.77–1.35
Latino	0.42**	0.29–0.62	0.63*	0.44–0.90	0.78	0.40–1.53	0.89	0.47–1.68	0.62	0.35–1.10
Age (years)	0.98*	0.97–0.99	0.98*	0.97–0.99	1.00	0.98–1.02	0.98	0.96–1.00	0.99	0.98–1.00
Female	0.98	0.79–1.21	1.14	0.93–1.39	0.9	0.69–1.17	0.79	0.59–1.05	0.95	0.80–1.11
Education (years)	0.99	0.96–1.03	0.97*	0.94–0.99	1.00	0.96–1.05	0.95	0.91–1.00	0.98	0.95–1.02
Income (thousands)	1.00	0.99–1.00	1.00	0.99–1.00	1.00	0.99–1.00	0.99*	0.99–0.99	1.00	0.99–1.00
Insured	1.08	0.65–1.79	1.16	0.81–1.68	1.31	0.80–2.15	1.05	0.73–1.50	0.99	0.81–1.20
ADL/IADL score (0–11)	0.98	0.95–1.02	1.01	0.97–1.05	1.07*	1.01–1.13	0.98	0.93–1.03	0.96*	0.92–0.99
Comorbidity (0–7)	0.92	0.83–1.03	1.00	0.91–1.09	1.04	0.93–1.15	1.00	0.89–1.13	1.04	0.96–1.13
SRH (1–5)	0.87*	0.77–0.99	1.00	0.89–1.12	1.12	0.92–1.36	1.03	0.84–1.14	0.98	0.88–1.10
Pre-diagnosis cigarettes smoked	1.02**	1.01–1.03	1.02**	1.01–1.03	1.03**	1.02–1.04	1.02**	1.02–1.04	1.03**	1.02–1.04

All model covariates as assessed at the post-diagnosis time period. All analyses were weighted (post-diagnosis weight) and adjusted for complex sampling design using SAS 9.2. Statistically significant racial/ethnic differences in smoking change are bolded

Acronyms: HRS Health and Retirement Study, OR odds ratios, IRR incidence rate ratios

^aWhite as reference group. Statistical test significance levels: * < .05; ** < .01