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Table 3 Effect size of plain water intake on periodontitis in each subgroup

From: The association between plain water intake and periodontitis in the population aged over 45: a cross-sectional study based on NHANES 2009–2014

Characteristic

   

OR1 (95% CI2)

 

P for interaction

N

Q1

Q2

Q3

Q4

Gender

     

0.2986

 Male

2838

Ref.

0.72 (0.53, 0.99)

0.62 (0.45, 0.84)

0.64 (0.47, 0.86)

 

 Female

3044

Ref.

1.03 (0.75, 1.40)

0.93 (0.68, 1.27)

0.97 (0.71, 1.31)

 

Age

     

0.9800

 <65

3922

Ref.

0.87 (0.66, 1.14)

0.78(0.60, 1.01)

0.79 (0.61, 1.01)

 

 ≧65

1960

Ref.

0.91 (0.63, 1.33)

0.77. (0.52, 1.13)

0.76 (0.50, 1.14)

 

Smoking

     

0.3792

 Smoker

2726

Ref.

0.99(0.71,1.38)

0.82(0.59,1.14)

0.73(0.53,1.00)

 

 Non-smoker

3156

Ref.

0.75(0.56,1.02)

0.72(0.53,0.96)

0.82(0.61,1.11)

 

Diabetes

     

0.4439

 Yes

997

Ref.

1.19(0.63, 2.27)

0.74 (0.39, 1.40)

0.70 (0.39, 1.26)

 

 No

4885

Ref.

0.81 (0.64, 1.02)

0.75 (0.59, 0.94)

0.79 (0.61, 1.00)

 

Hypertension

     

0.3020

 Yes

2840

Ref.

0.97 (0.64, 1.34)

0.83 (0.60, 1.15)

0.70 (0.51, 0.95)

 

 No

3042

Ref.

0.76 (0.57, 1.02)

0.71(0.53, 0.96)

0.85 (0.60, 1.14)

 

BMI

     

0.8616

 Noma weight

1437

Ref.

0.93 (0.60, 1.45)

0.76 (0.49, 1.16)

0.98 (0.62, 1.54)

 

 Overweight

2081

Ref.

0.86 (0.60, 1.23)

0.83 (0.58, 1.19)

0.83 (0.58, 1.18)

 

 Obese

2326

Ref.

0.79 (0.54, 1.15)

0.62 (0.43, 0.90)

0.65 (0.46, 0.91)

 
  1. 1OR: odds ratio
  2. 2 95%CI: 95% confidence interval
  3. Adjusted for age, gender, race, education level, family to ratio of family income to poverty, BMI, smoking status, alcoholic status, hypertension, diabetes, CKD, cardiovascular disease, physical activity time, total energy intake except the subgroup variable
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BMC Oral Health

ISSN: 1472-6831

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