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Associations of mean CAL and mean PPD with the decline in FEV1 (mL/3years).
| Β (95% CI) | P value | |
|---|---|---|
| Mean CAL, mm | 11.22 (−1.13–23.57) | 0.075 |
| Mean PPD, mm | 15.88 (−1.36–33.13) | 0.071 |
CAL = clinical attachment loss; PPD = probing pocket depth; FEV1 = forced expiratory volume in one second; CI = confidence interval.
Models were adjusted for sex, age, occupation, diabetes mellitus, body mass index, physical activity, Brinkman index, alcohol intake.
