Figure 6.1. Odds ratios for the effect of smoking by either parent on lower respiratory illnesses during infancy.

Figure 6.1Odds ratios for the effect of smoking by either parent on lower respiratory illnesses during infancy

Note: Individual studies are denoted with the following symbols:

Circles = Studies of lower respiratory illnesses.

Squares = Studies of wheeze illnesses.

Diamonds = Studies of upper and lower respiratory illnesses.

Open symbols = Community studies.

Closed symbols = Studies of hospitalized illnesses.

From: 6, Respiratory Effects in Children from Exposure to Secondhand Smoke

Cover of The Health Consequences of Involuntary Exposure to Tobacco Smoke
The Health Consequences of Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General.
Office on Smoking and Health (US).
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