Prevalence and association of smokeless tobacco use with the development of periodontal pocket among adult males in Dawan Valley, Yemen: a cross-sectional study

Table 2 Factors associated with periodontal pocket among adult males in Dawan valley, Yemen by multiple logistic regression analyses

Variable	COR^a	P - value^a	AOR^b	P - value^b
Variable	(95 % CI)	P - value^a	(95 % CI)	P - value^b
Socio-demographic characteristics
Age in years
18–29	1.00		1.00
≥ 30	1.72 (1.01, 2.93)	0.045	2.03 (1.13, 3.65)	0.018
Family income
YER More than 20,000	1.00		1.00
YER 20,000 or less	2.68 (1.64, 4.38)	0.001	2.35 (1.39, 3.99)	0.001
Shammah status
Never shammah user	1.00		1.00
Former shammah user	2.84 (1.25, 6.40)	0.001	2.66 (1.15, 6.15)	0.022
Current shammah user	6.59 (3.67,11.82)	0.001	6.62 (3.59,12.21)	0.001

- ^aSimple logistic regression, ^bMultiple logistic regression
- Backward step wise LR multiple logistic regression was applied
- Multicolinearity and interaction term were checked and did not found
- Hosmer-Lemeshow test, (P = 0.865), classification table (overall correctly classified percentage (78.3 %) and area under Receiver Operating Characteristics (ROC) curve (74.1 %) were checked the fit of the model and reported to be fit

ISSN: 1617-9625