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Table 2 Clinical characteristics of the study participants in percentages and Odds ratio

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

Clinical characteristics

Cases (PTLBW) n (%) 150 (40.2)

Controls (TNBW) n (%) 223 (59.8)

Crude Odds ratio (95% CI)

P-value

Periodontal pockets (PK) 4+mm

    

   Yes

43 (28.7)

67 (30.0)

0.94

0.775

   No

107 (71.3)

156 (70.0)

(0.59–1.48)

 

Periodontal pockets (PK) 6+mm

    

   Yes

5 (3.3)

6 (2.7)

1.25

0.719

   No

145 (96.7)

217 (97.3)

(0.37–4.16)

 

Gingival recession

    

   Yes

64 (42.7)

81 (36.3)

1.31

0.218

   No

86 (57.3)

142 (63.7)

(0.85–1.99)

 

Gum bleeding on brushing

    

   Yes

56 (37.3)

81 (36.3)

1.04

0.843

   No

94 (62.7)

142 (63.7)

(0.68–1.60)

 

Extrapolated Loss of attachment (ELA)

    

   Yes

78 (52.0)

114 (51.1)

1.04

 

   No

72 (48.0)

109 (48.9)

(0.69–1.57)

0.868

Periodontal disease diagnosis Threshold: GB ≥ 30% sites, PK 4+ mm in ≥ 4 sites (PDT)

    

   Yes

11 (7.3)

10 (4.5)

1.69

0.242

   No

139 (92.7)

213 (95.5)

(0.70–4.08)

 

Decayed teeth

    

   Yes

76 (50.7)

119 (53.3)

0.90

0.609

   No

74 (49.3)

104 (46.6)

(0.59–1.36)

 

Carious pulpal exposure

    

   Yes

28 (18.7)

44 (19.7)

0.93

0.798

   No

122 (81.3)

179 (80.3)

(0.55–1.58)

 

Decayed-Missing-Filled Teeth

    

   Yes

91 (60.7)

142 (63.7)

0.88

0.556

   No

59 (39.3)

81 (37.5)

(0.57–1.35)

 

High BP during pregnancy

    

   Yes

22 (14.7)

16 (7.2)

2.22

0.019

   No

128 (85.3)

207 (92.8)

(1.13–4.39)

 

Malaria during Pregnancy

    

   Yes

91 (60.7)

126 (56.5)

1.19

0.424

   No

59 (39.3)

97 (43.5)

(0.78–1.81)

 

Primiparous (1st child delivery)

    

   Yes

58 (38.7)

109 (48.9)

0.66

0.052

   No

92 (61.3)

114 (51.1)

(0.43–1.00)

 

Previous LBW

    

   Yes

8 (5.3)

8 (3.6)

1.5

0.415

   No

142 (94.7)

215 (96.4)

(0.56–4.13)

 

Previous abortion

    

   Yes

31 (20.7)

44 (19.7)

1.06

0.825

   No

119 (79.3)

179 (80.3)

(0.63–1.77)

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