Table 2. Estimated life expectancies according to number of healthy lifestyle behaviors.

		Men				Women
		Life expectancy at 40 years of age		Life expectancy at 60 years of age		Life expectancy at 40 years of age		Life expectancy at 60 years of age
			(95% CI)		(95% CI)		(95% CI)		(95% CI)
No. of healthy lifestyle behaviors
	0–2	39.9	(39.5–40.3)	21.9	(21.6–22.2)	46.5	(45.5–47.4)	28.1	(27.5–28.7)
	3	42.3	(41.9–42.8)	23.9	(23.6–24.2)	48.0	(47.6–48.4)	29.1	(28.8–29.4)
	4	43.4	(42.8–44.1)	25.1	(24.7–25.5)	50.1	(49.8–50.4)	30.9	(30.6–31.2)
	5	44.7	(43.8–45.7)	25.9	(25.4–26.5)	50.9	(50.5–51.2)	31.5	(31.2–31.8)
	6	50.2	(48.1–52.3)	31.5	(29.8–33.2)	54.8	(53.3–56.2)	36.3	(35.4–37.1)
	Overall	42.1	(41.8–42.3)	23.8	(23.6–24.0)	49.5	(49.2–49.7)	30.4	(30.2–30.6)
No. of healthy lifestyle behaviors other than smoking
​ Current smoker
	0–1	39.0	(38.3–39.7)	21.0	(20.4–21.5)	39.7	(36.8–42.7)	22.9	(20.8–25.0)
	2	39.0	(38.5–39.6)	21.3	(20.9–21.7)	44.0	(42.0–45.9)	25.4	(24.1–26.7)
	3	41.2	(40.6–41.9)	23.0	(22.6–23.4)	46.6	(45.0–48.1)	27.7	(26.3–29.1)
	4	42.0	(41.0–42.9)	23.2	(22.5–23.9)	48.1	(45.9–50.3)	29.3	(27.5–31.0)
	5	41.4	(39.3–43.4)	23.2	(21.4–24.9)	—		—
	Overall	40.1	(39.8–40.5)	22.1	(21.8–22.3)	44.9	(43.9–45.9)	26.4	(25.7–27.2)
​ Current nonsmoker
	0–1	43.4	(42.7–44.2)	24.5	(23.9–25.1)	47.9	(46.8–49.0)	29.3	(28.6–30.0)
	2	43.6	(43.0–44.2)	24.9	(24.5–25.3)	48.1	(47.6–48.5)	29.2	(28.9–29.5)
	3	43.9	(43.1–44.7)	25.8	(25.3–26.2)	50.1	(49.8–50.5)	30.9	(30.7–31.2)
	4	45.3	(44.2–46.4)	26.4	(25.8–27.0)	50.9	(50.5–51.2)	31.5	(31.2–31.8)
	5	50.2	(48.1–52.3)	31.5	(29.8–33.2)	54.8	(53.3–56.2)	36.3	(35.4–37.1)
	Overall	44.2	(43.8–44.5)	25.6	(25.3–25.8)	49.7	(49.5–49.9)	30.6	(30.4–30.8)
All Japan (2000)35
		39.1		21.4		45.5		26.9