Maternal oral health status and preterm low birth weight at Muhimbili National Hospital, Tanzania: a case-control study

Table 3 The multivariate logistic regression model of all preterm low-birth-weight mothers

Risk factors for PTLBW	All preterm low birth weight infant deliveries (PTLBW), using primi- and multiparous mothers together (n = 373)
	Adjusted Odds ratio	95% CI	P-value
Age (≤ 19 years)	2.09	1.18 – 3.67	0.011
Marital status (not married)	1.59	1.00 – 2.53	0.049
Hypertension during pregnancy	2.44	1.20 – 4.93	0.013
Primiparous (1^st child delivery)	0.96	0.57 – 1.61	0.871
Tooth brushing practice – less frequent	1.32	0.84 – 2.06	0.224
Calculus	1.37	0.83 – 2.26	0.219
Gingival bleeding	1.06	0.64 – 1.74	0.834
Missing teeth	1.12	0.72 – 1.76	0.615

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