Table 3 Items measuring tobacco use knowledge among TB patients who smoke (N = 80)^a

Smoking has the greatest negative effect on the vascular system.

38 (47.5%)

A smoker's heart works harder because carbon monoxide makes the blood carry less oxygen.

42 (52.5%)

Nicotine, an ingredient in cigarette smoke, is both stimulating and depressing to the nervous system.

11 (13.8%)

Cigarette smokers get tired easily because their lungs cannot exchange gas well.

28 (35.0%)

The person most likely to get lung cancer is pipe smoker.

3 (3.8%)

Cigarette smokers are more likely to not live as long as non-smokers.

48 (60.0%)

The "smoker's cough", a type of chronic bronchitis is caused by irritation of the lungs and bronchial tubes and due to the chemicals in the cigarette.

54 (67.5%)

The dangers from cigarette smoking increase with dose (number of cigarettes smoked, number of years a person smoked, and amount of smoke inhaled).

20 (25.0%)

Smokeless tobacco is a safe, harmless product.

43 (53.8%)

Using chewing tobacco can lead to oral cancer.

48 (60.0%)

Using smokeless tobacco can increase athletic performance.

32 (40.0%)