Table 1

Demographic characteristics of the study population

Demographic characteristicsNo PDStage I PDStage II PDStage III/IV PDTotal
(PD+no PD)
Total PD
No of subjects257125396159937680
Age categories
 (60–65)60 (22.8)43 (16.3)112 (42.6)48 (18.3)263203 (77.2)
 (65–70)55 (22.4)38 (15.4)98 (39.8)55 (22.4)246191 (77.6)
 (70–75)59 (30.9)24 (12.6)87 (45.5)21 (11.0)191132 (69.1)
 (75–80)36 (35.0)*43 (41.7)16 (15.5)10367 (65.0)
 (80–81)47 (35.1)12 (9.0)56 (41.8)19 (14.1)13487 (64.9)
Sex
 Male106 (24.6)36 (8.3)173 (40.0)117 (27.1)432326 (75.5)
 Female151 (29.9)89 (17.6)223 (44.2)42 (8.3)505354 (70.1)
Race/ethnicity
 White150 (28.8)80 (15.3)241 (46.3)50 (9.6)521371 (71.2)
 Black56 (29.5)14 (7.4)62 (32.6)58 (30.5)190134 (70.5)
 Other51 (22.6)31 (13.7)93 (41.1)51 (22.6)226175 (77.4)
Marital status
 Married148 (26.2)89 (15.8)227 (40.3)100 (17.7)564416 (73.8)
 Divorced45 (28.8)16 (10.3)67 (43.0)28 (17.9)156111 (71.2)
 Never married64 (29.5)20 (9.2)102 (47.0)31 (14.3)217153 (70.5)
Education
 High school graduate or below128 (33.8)38 (10.0)123 (32.5)90 (23.7)379251 (66.2)
 Some college or associates degree75 (25.6)43 (14.7)136 (46.4)39 (13.3)293218 (74.4)
 College graduate or above54 (20.4)44 (16.6)137 (51.7)30 (11.3)265211 (79.6)
Federal poverty level
 <200%116 (32.2)28 (7.8)136 (37.8)80 (22.2)360244 (67.8)
 200%–400%78 (27.8)37 (13.2)118 (42.0)48 (17.0)281203 (72.2)
 >400%63 (21.3)60 (20.3)142 (48.0)31 (10.4)296233 (78.7)
Smoking status
 No115 (24.4)74 (15.7)227 (48.2)55 (11.7)471356 (75.6)
 Former99 (27.7)46 (12.9)140 (39.2)72 (20.2)357258 (72.3)
 Current43 (39.4)5 (4.6)29 (26.6)32 (29.4)10966 (60.6)
Alcohol use
 Yes173 (26.2)90 (13.6)269 (40.8)128 (19.4)660487 (73.8)
 No84 (30.3)35 (12.7)127 (45.8)31 (11.2)277193 (69.7)
Body mass index
 Non-obese <3088 (27.6)42 (13.1)133 (41.7)56 (17.6)319231 (72.4)
 Obese >30169 (27.3)83 (13.4)263 (42.6)103 (16.7)618449 (72.7)
 Vigorous exercise
 No21 (17.5)20 (16.7)66 (55.0)13 (10.8)12099 (82.5)
 Yes236 (28.9)105 (12.8)330 (40.4)146 (17.9)817581 (71.1)
Insurance
 Other46 (25.6)19 (10.5)68 (37.8)47 (26.1)180134 (74.4)
 Medicare156 (32.2)59 (12.2)202 (41.8)67 (13.8)484328 (67.8)
 Private55 (20.1)47 (17.2)126 (46.2)45 (16.5)273218 (79.9)
Insurance cover the dental procedure
 No251 (27.6)121 (13.3)388 (42.7)149 (16.4)909658 (72.4)
 Yes6 (21.4)4 (14.3)8 (28.6)10 (35.7)2822 (78.6)
  • *Cells with counts <11 were masked.

  • PD, periodontal disease.