Table 1.
Baseline characteristics of OsteoPerio Microbiome Study participants for the overall cohort and by age groups
| Characteristic | Overall (N = 1219) |
50–59 (N = 239) |
60–69 (N = 554) |
≥70 (N = 426) |
|---|---|---|---|---|
| Age (years), mean (SD) | 66.2 (7.0) | 56.7 (1.8) | 64.2 (2.9) | 74.1 (3.3) |
| Race-ethnicity: White, N (%) | 1187 (97.4) | 233 (97.5) | 537 (96.9) | 417 (97.9) |
| Neighborhood SES, mean (SD) | 76.2 (6.9) | 75.7 (7.5) | 76.6 (6.8) | 75.9 (6.7) |
| Smoking, N (%) | ||||
| Never | 642 (52.7) | 117 (48.9) | 280 (50.5) | 245 (57.6) |
| Former | 537 (44.1) | 107 (44.8) | 257 (46.4) | 173 (40.7) |
| Current | 39 (3.2) | 15 (6.3) | 17 (3.1) | 7 (1.7) |
| History of treated diabetes, N (%) | 63 (5.2) | 9 (3.8) | 26 (4.7) | 28 (6.6) |
| History of treated hypertension, N (%) | 392 (32.2) | 63 (26.4) | 148 (26.7) | 181 (42.5) |
| History of treated high cholesterol, N (%) | 201 (16.5) | 26 (10.9) | 76 (13.7) | 99 (23.4) |
| Hormone therapy use, N (%) | ||||
| Never | 390 (32.0) | 53 (22.2) | 158 (28.5) | 179 (42.0) |
| Former E-Alone | 132 (10.9) | 12 (5.0) | 50 (9.0) | 70 (16.5) |
| Former E + P | 111 (9.1) | 24 (10.1) | 58 (10.5) | 29 (6.8) |
| Current E-Alone | 307 (25.2) | 66 (27.7) | 136 (24.6) | 105 (24.7) |
| Current E + P | 277 (22.8) | 83 (34.9) | 152 (27.4) | 42 (9.9) |
| Years taking hormone therapya | 5.6 (7.3) | 4.6 (4.5) | 6.2 (7.0) | 5.5 (8.8) |
| Number of teeth present, mean (SD) | 23.2 (5.3) | 24.8 (4.0) | 23.6 (5.2) | 21.9 (5.8) |
| Brush teeth ≥2 times/day, N (%) | 942 (77.3) | 178 (74.5) | 422 (76.2) | 342 (80.3) |
| Floss teeth daily, N (%) | 529 (43.6) | 90 (37.7) | 247 (44.8) | 192 (45.4) |
| Dental visit ≥1 time/year, N (%) | 1114 (91.4) | 225 (94.1) | 504 (91.0) | 385 (90.4) |
| Mean Pocket Depth (mm), mean (SD) | 2.2 (0.4) | 2.2 (0.4) | 2.2 (0.4) | 2.1 (0.4) |
| Gingival Bleeding (%), mean (SD) | 34.4 (23.2) | 33.0 (23.5) | 34.5 (22.9) | 35.1 (23.4) |
SES socioeconomic statusn. See methods section for its definition and derivation, E estrogen, P progesti
aNever users coded as 0 years