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Table 4 Correlates of DMFT index in Kenyan women planning for pregnancy

From: Prevalence and correlates of periodontitis among Kenyan women planning to conceive

Characteristic

Very low DMFT index

n = 487

N (%)

Low/Mod/High DMFT index

n = 159

N (%)

Unadjusted PR (95% CI)

p value

Adjusted PR (95% CI)

p value

Study site

      

Nairobi

314 (74.2)

109 (25.8)

1.0

0.4

  

Mombasa

173 (77.6)

50 (22.4)

0.87 (0.65–1.17)

   

Age, yearsa

      

 < 25

109 (80.7)

26 (19.3)

1.0

0.02

1.0

0.04

25–29

166 (80.2)

41 (19.8)

1.03 (0.66–1.60)

 

0.97 (0.62–1.50)

 

30–34

116 (72.5)

44 (27.5)

1.43 (0.93–2.19)

 

1.31 (0.85–2.02)

 

35–39

75 (65.2)

40 (34.8)

1.81 (1.18–2.77)

 

1.66 (1.08–2.55)

 

 > 40

21 (72.4)

8 (27.6)

1.43 (0.72–2.84)

 

1.29 (0.65–2.56)

 

Highest education level

      

0–8 years

126 (76.8)

38 (23.2)

1.0

0.8

  

9–12 years

185 (74.3)

64 (25.7)

1.11 (0.78–1.57)

   

 > 12 years

176 (75.5)

57 (24.5)

1.06 (0.74–1.51)

   

Socioeconomic status (monthly earnings in Ksh)

      

 ≤ 10,000

174 (77.3)

51 (22.7)

1.0

0.7

  

10,001–30,000

205 (74.0)

72 (26.0)

1.15 (0.84–1.57)

   

 ≥ 30,001

105 (75.0)

35 (25.0)

1.10 (0.76–1.61)

   

Availability of household water and electricity

      

No

175 (75.8)

56 (24.2)

1.0

0.9

  

Yes

312 (75.2)

103 (24.8)

1.02 (0.77–1.36)

   

Alcohol use (AUDIT score)

      

0 (non-drinker)

418 (74.8)

141 (25.2)

1.0

0.7

  

1–6 (Non-hazardous)

58 (79.5)

15 (20.5)

0.82 (0.51–1.31)

   

 ≥ 7 (Hazardous)

11 (78.6)

3 (21.4)

0.85 (0.31–2.34)

   

Chronic illness

      

No

469 (75.2)

155 (24.8)

1.0

0.5

  

Yes

18 (81.8)

4 (18.2)

0.73 (0.30–1.80)

   

Frequency of teeth cleaning per day

      

 < 2

169 (75.8)

54 (24.2)

1.0

0.9

  

 ≥ 2

318 (75.2)

105 (24.8)

1.03 (0.77–1.36)

   

Time period since last dental visita

      

0–12 months

61 (64.9)

33 (35.1)

1.0

 < 0.001

  

 > 1 year but < 2 years

25 (64.1)

14 (35.9)

1.02 (0.62–1.69)

   

 ≥ 2 years but < 5 years

56 (62.9)

33 (37.1)

1.06 (0.72–1.55)

   

 ≥ 5 years

81 (66.9)

40 (33.1)

0.94 (0.65–1.37)

   

Never received dental care

264 (87.1)

39 (12.9)

0.37 (0.25–0.55)

   

BMI

      

Non-obese < 30

366 (76.1)

115 (23.9)

1.0

0.5

  

Obese ≥ 30

115 (73.7)

41 (26.3)

1.10 (0.81–1.50)

   

Parity

      

Nulliparous

83 (82.2)

18 (17.8)

1.0

0.4

  

1

214 (75.1)

71 (24.9)

1.40 (0.88–2.23)

   

2

125 (73.5)

45 (26.5)

1.49 (0.91–2.42)

   

 ≥ 3

65 (72.2)

25 (27.8)

1.56 (0.91–2.66)

   

Gravidityb

      

0

54 (87.1)

8 (12.9)

1.0

0.02

1.0

0.09

 ≥ 1

433 (74.1)

151 (25.9)

2.00 (1.04–3.88)

 

1.79 (0.91–3.50)

 
  1. aAge and time-period since last dental visit were collinear, so only age was included in the multivariable model
  2. bIncluded in multivariable model
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BMC Oral Health

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