Suzanne R. Sutton

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Despite growing interest in stage theories of health behavior, there is considerable confusion in the literature concerning the essential characteristics of stage theories and the manner in which such theories should be tested. In this article, the 4 key characteristics of a stage theory-a category system, an ordering of categories, similar barriers to(More)
The relationship between cigarette yields (of nicotine, tar, and carbon monoxide), puffing patterns, and smoke intake was studied by determining puffing patterns and measuring blood concentrations of nicotine and carboxy-haemoglobin (COHb) in a sample of 55 smokers smoking their usual brand of cigarette. Regression analyses showed that the total volume of(More)
This study was designed to examine the extent to which smokers would compensate for the dilution of smoke produced by ventilated cigarette holders. Peak plasma nicotine and carboxyhemoglobin levels were measured in 18 smokers when they had been smoking normally and when they had been using holders which dilute the smoke by about 20% (holder 1) and 60%(More)
The capacity of nicotine-containing chewing gum to produce plasma nicotine levels comparable to heavy cigarette smoking was tested in 21 subjects. On a fixed schedule of one piece of gum (4 mg nicotine) per hour, the average peak plasma nicotine concentration was 175-7 nmol/l (28-5 ng/ml) compared to 189-3 nmol/l (30-7 ng/ml) obtained from normal ad libitum(More)
This study was designed to examine the response of smokers to shortening their usual brand of cigarettes. The shortening reduces the dose of smoke available from each cigarette without affecting concentration and therefore differs from dose reduction by dilution, which occurs when smokers switch to cigarettes with lower tar and nicotine deliveries. Measures(More)
There are a number of methodological problems with the traditional placebo-controlled design used to investigate the effects of nicotine in human subjects. For example, the experimental instructions may create a 'guessing set' in the participants such that they search for possible clues to try to identify which condition they are in. If they guess(More)
BACKGROUND A nationwide outbreak of fungal infections was traced to injection of Exserohilum-contaminated methylprednisolone. We describe our experience with patients who developed spinal or paraspinal infection after injection of contaminated methylprednisolone. METHODS Data were assembled from the Michigan Department of Community Health, electronic(More)
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