Relationship of Routine Inadequate Sleep Duration and Periodontitis in a Nationally Representative Sample
Table 3
Logistic regressions of adequate sleep on periodontitis, NHANES 2009–2012.
Unadjusted odds ratio
value
Adjusted odds ratio
value
[95% confidence interval]
[95% confidence interval]
Adequate sleep
<.0001
.9812
7 hours or more
Reference
Reference
Less than 7 hours
1.34 [1.18, 1.52]
1.00 [0.83, 1.21]
Age group
<.0001
30 to less than 45 years
Reference
45 to less than 55 years
2.77 [2.04, 3.76]
55 years and above
5.49 [3.77, 8.01]
Sex
<.0001
Female
Reference
Male
2.60 [2.17, 3.12]
Race/ethnicity
Non-Hispanic white
Reference
Non-Hispanic black
1.88 [1.20, 2.96]
.0060
Hispanic
2.94 [2.18, 3.97]
<.0001
Other
1.65 [1.13, 2.41]
.0092
Education
<.0001
HS graduate/less
1.34 [1.09, 1.65]
Some coll/tech/more
Reference
Smoking
Current
2.74 [1.98, 3.80]
<.0001
Former
1.43 [1.15, 1.79]
.0016
Never
Reference
Number of missing teeth
0–5
Reference
6–9
1.44 [1.14, 1.82]
.0024
10–20
2.64 [2.02, 3.44]
<.0001
More than 20
2.18 [1.02, 4.65]
.0445
Federal Poverty Level Index
0 to less than 1.25
1.82 [1.23, 2.71]
.0028
1.25 to less than 2.00
1.62 [1.15, 2.26]
.0053
2.00 to less than 4.00
1.60 [1.07, 2.39]
.0213
4.00 and above
Reference
Insurance coverage
<.0001
Yes
Reference
No
1.73 [1.43, 2.10]
Diabetes
.1567
Yes
1.41 [0.88, 2.26]
No
reference
Wald test -value was <.0001 for unadjusted and adjusted models. Abbreviations: NHANES-National Health and Nutrition Examination Surveys; HS = high school; coll = college; tech = technical school.