Baseline Characteristics of Smokers and Non-smokers.
Baseline Characteristics of Smokers and Non-smokers.
| Parameter | Total (n=300) | Smokers (n=150) | Non-smokers (n=150) | P Value |
|---|---|---|---|---|
| Age in years, mean (SD) | 36.3 (13.6) | 38.8 (13.7) | 33.9 (13.0) | Not calculated* |
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| Male sex, number (%) | 295 (98.3) | 150 (100) | 145 (96.7) | Not calculated† |
| Female sex, number (%) | 5 (1.7) | 0 (0) | 5 (3.3) | |
| Mean salivary flow, mL (SD)‡ | ||||
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| At 1 minute | 13.1 | 21.8 | <0.001 | |
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| At 2 minutes | 19.3 | 29.0 | <0.001 | |
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| At 3 minutes | 25.1 | 32.9 | <0.001 | |