Table 1. Sociodemographic data and smoking status of the study participants.

Men	East Germany (n = 2578)				West Germany (n = 11 364)
Age mean ± SD	54.1 ± 15.5				52.8 ± 15.5
	Crude		Standardized*		Crude		Standardized*
	%	95% CI	%	95% CI	%	95% CI	%	95% CI
Men	39.0				38.8
Size of settlement <20 000 people	52.3	50.4–54.2			41.5	40.6–42.4
Smoking
Non-smoker	33.9	32.0–35.7	34.2	32.1–36.3	32.5	31.6–33.4	33.7	32.7–34.6
Ex-smoker	39.1	37.2–41.0	33.9	32.0–35.8	39.9	39.0–40.8	36.1	35.2–37.0
Smoker	27.1	25.4–28.8	31.9	29.9–33.4	27.6	26.8–28.4	30.3	29.3–31.2
Employment status
Employed	45.8	43.9–47.8	51.7	49.8–53.5	53.6	52.7–54.5	56.7	56.0–57.5
Unemployed	11.0	9.8–12.2	12.2	10.7–13.9	6.3	5.8–6.7	6.3	5.8–6.8
Not working	43.2	41.3–45.1	36.2	34.8–37.6	40.1	39.2–41.0	37.0	36.3–37.6
Number of years schooling
< 10	6.1	5.2–7.1	7.2	5.9–8.4	9.5	9.0–10.0	9.9	9.3–10.5
= 10	53.0	51.0–54.9	54.5	52.3–56.7	50.3	49.4–51.3	49.9	48.9–51.0
> 10	40.9	39.0–42.8	38.3	36.2–40.5	40.2	39.3–41.1	40.2	39.2–41.2
Women	East Germany (n = 4030)				West Germany (n = 17 897)
Age mean ± SD	52.0 ± 15.8				50.6 ± 16.3
Women	61.0	60.6–61.7			61.0	59.8–62.2
Size of settlement <20 000 people	51.8	50.2–53.3			42.0	41.3–42.7
Smoking
Non-smoker	62.4	60.9–64.0	60.5	58.9–62.1	52.3	51.6–53.0	53.0	52.3–53.8
Ex-smoker	17.5	16.3–18.7	17.0	15.8–18.3	23.4	22.8–24.0	22.3	21.6–22.9
Smoker	20.1	18.9–21.4	22.5	21.2–23.9	24.3	23.7–24.9	24.7	24.1–25.4
Employment status
Employed	49.9	48.4–51.5	52.6	51.3–53.9	44.0	43.3–44.8	44.2	43.6–44.8
Unemployed	8.3	7.4–9.1	7.9	7.0–8.8	3.4	3.2–3.7	3.1	2.8–3.4
Not working	41.8	40.3–43.4	39.6	38.5–40.7	52.5	51.8–53.3	52.7	52.0–53.3
Number of years schooling
< 10	9.6	8.6–10.5	9.6	8.7–10.5	20.4	19.8–21.0	20.1	19.6–20.7
= 10	56.7	55.1–58.2	55.6	54.0–57.3	56.1	55.4–56.8	56.1	55.4–56.9
> 10	33.8	32.3–35.3	34.7	33.2–36.3	23.5	22.9–24.1	23.8	23.1–24.4

*Age standardization on the basis of the German population on 31 December 2004 (13) SD, standard deviation