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Table 1 Baseline characteristics of OsteoPerio Microbiome Study participants for the overall cohort and by age groups

From: Composition and diversity of the subgingival microbiome and its relationship with age in postmenopausal women: an epidemiologic investigation

CharacteristicOverall
(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 (%)
 Never642 (52.7)117 (48.9)280 (50.5)245 (57.6)
 Former537 (44.1)107 (44.8)257 (46.4)173 (40.7)
 Current39 (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 (%)
 Never390 (32.0)53 (22.2)158 (28.5)179 (42.0)
 Former E-Alone132 (10.9)12 (5.0)50 (9.0)70 (16.5)
 Former E + P111 (9.1)24 (10.1)58 (10.5)29 (6.8)
 Current E-Alone307 (25.2)66 (27.7)136 (24.6)105 (24.7)
 Current E + P277 (22.8)83 (34.9)152 (27.4)42 (9.9)
 Years taking hormone therapya5.6 (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)
  1. SES socioeconomic statusn. See methods section for its definition and derivation, E estrogen, P progesti
  2. aNever users coded as 0 years