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Table 3 Results of multilevel logistic regression (generalized linear) after backward stepwise logistic regression (conditional) was performed

From: Multilevel analysis of site, implant, and patient-level factors with peri-implant bleeding on probing: a cross sectional study

Model term Coefficient Std. error t. Sig. Exp (coefficient) 95% confidence interval for exp (coefficient)
Lower Upper
Intercept − 21.850 7,060.389 − 0.003 .998 0.000 0.000
Gender (males) 2.451 1.238 1.980 .048 11.599 1.020 131.877
Smoking (smokers) − 5.771 2.654 − 2.174 .030 0.003 0.000 0.571
Duration − 0.120 0.056 − 2.153 .032 0.887 0.795 0.990
Gingival biotype (thin) 3.410 1.066 3.199 .001 30.273 3.733 245.499
Gingival recession (present) 4.100 0.950 4.314 .000 60.316 9.336 389.673