Table 3.

Knowledge of health consequences of tobacco smoking by smoking status

Knowledge of health consequences of tobacco smoking	Current smokers	Current non-smokers	Total
Smoking causes	Percentage (95% CI*)	Percentage (95% CI*)	Percentage (95% CI*)
Serious illness	88.3 (82.8–92.2)	95.1 (93.6–96.3)	93.4 (91.0–95.2)
Stroke	59.4 (54.0–64.6)	70.3 (67.8–72.7)	67.6 (64.9–70.3)
Heart attack	54.2 (49.9–58.5)	63.1 (60.8–65.4)	60.9 (58.5–63.4)
Lung cancer	93.0 (89.9–95.2)	96.7 (95.8–97.3)	95.8 (94.6–96.7)
Stroke, heart attack, and lung cancer	43.1 (38.0–48.4)	54.3 (52.0–56.6)	51.5 (48.8–54.2)
Breathing other people's smoke cause serious illness in non-smokers	77.3 (71.3–82.4)	86.0 (84.2–87.7)	83.8 (81.3–86.1)

^*95% confidence interval.

N=9,919 individuals from 656 PSUs of 6 strata.