Table 2.
Prevalence Ratios of Periodontitis by Socio-demographic factors, Smoking, and co-morbid conditions: NHANES 2009–2012
| Effect | Total Periodontitis (N=6924) | Severe Periodontitis (N=6924) | Non-Severe Periodontitis (N=6061) | |||
|---|---|---|---|---|---|---|
| PR (95% CI) | P-Value | PR (95% CI) | P-Value | PR (95% CI) | P-Value | |
| Age 65+ vs. Age 30–44 | 2.46(2.14–2.82) | <0.0001 | 2.61(1.88–3.62) | <0.0001 | 2.73(2.34–3.19) | <0.0001 |
| Age 50–64 vs. Age 30–44 | 2.01(1.80–2.24) | 2.80(2.07–3.79) | 2.13(1.90–2.40) | |||
| Age 45–54 vs. Age 30–44 | 1.62(1.41–1.87) | 2.22(1.78–2.77) | 1.66(1.41–1.96) | |||
| Male vs. Female | 1.47(1.38–1.58) | <0.0001 | 2.68(2.22–3.23) | <0.0001 | 1.47(1.36–1.58) | <0.0001 |
| Hispanics vs. NH Whites | 1.38(1.26–1.52) | <0.0001 | 1.56(1.23–2.00) | <0.0001 | 1.44(1.29–1.60) | <0.0001 |
| NH Blacks vs. NH Whites | 1.35(1.22–1.50) | 1.82(1.44–2.31) | 1.36(1.19–1.54) | |||
| Others vs. NH Whites | 1.34(1.19–1.51) | 1.69(1.16–2.45) | 1.37(1.19–1.58) | |||
| <High School vs. > High School | 1.29(1.17–1.42) | <0.0001 | 1.63(1.26–2.12) | 0.0015 | 1.29(1.15–1.45) | <0.0001 |
| High School vs.>High School | 1.20(1.12–1.30) | 1.50(1.14–1.98) | 1.21(1.10–1.32) | |||
| Missing FPL vs. >=400% FPL | 1.27(1.10–1.48) | <0.0001 | 1.69(1.03–2.77) | 0.0347 | 1.26(1.07–1.49) | <0.0001 |
| Less than 100% FPL vs. >=400% FPL | 1.41(1.25–1.59) | 1.71(1.14–2.57) | 1.44(1.26–1.65) | |||
| 100–199% FPL vs. >=400% FPL | 1.35(1.23–1.48) | 1.82(1.22–2.71) | 1.36(1.22–1.52) | |||
| 200–399% FPL vs. >=400% FPL | 1.25(1.12–1.39) | 1.31(0.91–1.90) | 1.27(1.13–1.44) | |||
| Married vs. Never Married | 0.96(0.87–1.06) | 0.0301 | 1.09(0.78–1.52) | 0.0866 | 0.93(0.83–1.04) | 0.1063 |
| Divorced vs. Never Married | 1.10(0.99–1.23) | 1.44(1.02–2.04) | 1.05(0.92–1.20) | |||
| Widowed vs. Never Married | 0.92(0.77–1.11) | 1.15(0.76–1.75) | 0.88(0.72–1.09) | |||
| Living with Partner vs. Never Married | 1.06(0.91–1.23) | 1.21(0.86–1.69) | 1.04(0.87–1.25) | |||
| Current Smoker vs. Non Smoker | 1.54(1.45–1.65) | <0.0001 | 2.46(1.87–3.24) | <0.0001 | 1.56(1.44–1.68) | <0.0001 |
| Former Smoker vs. Non Smoker | 1.09(1.02–1.17) | 1.39(1.03–1.87) | 1.07(0.99–1.16) | |||
| Diabetes Not Controlled vs. Non Diabetes | 1.16(1.04–1.29) | 0.0366 | 1.42(1.02–1.98) | 0.1922 | 1.14(1.00–1.29) | 0.1693 |
| Diabetes Controlled vs. Non Diabetes | 1.14(1.03–1.27) | 1.27(0.83–1.94 | 1.13(1.00–1.27) | |||
| Pre-Diabetes vs. Non Diabetes | 1.07(0.98–1.16) | 1.17(0.93–1.45) | 1.06(0.97–1.16) | |||
| Obese vs. Normal Weight | 1.02(0.94–1.10) | 0.8907 | 0.93(0.74−−1.16) | 0.7083 | 1.03(0.94–1.14) | 0.7690 |
| Overweight vs. Normal Weight | 1.02(0.94–1.11) | 1.02(0.81–1.27) | 1.03(0.93–1.15) | |||
6924 respondents were included in the model for total and severe periodontitis; 6061 respondents were included in the model for non-severe periodontitis. For non-severe periodontitis, severe periodontitis cases were excluded from the denominator.