Skip to main content

Table 2 Characteristics of demographic, behavioral, and oral health-related factors according to bacterial type

From: Relationship between the burden of major periodontal bacteria and serum lipid profile in a cross-sectional Japanese study

  Prevalence of periodontal bacteria Periodontal pathogenic burden
Variable name Total P. gingivalis T. denticola T. forsythia P. intermedia   
Yes No Yes No Yes No Yes No Low Moderate High
  No. (%)
Total 385 (100.0) 224(58.2) 161(41.8) 230(59.7) 155(40.3) 285(74.0) 100(26.0) 203(52.7) 182(47.3) 46(11.9) 230(59.7) 109(28.3)
Age (y)
 50−59 51 (13.2) 20(8.9) 31 (19.3) 30 (13.0) 21 (13.5) 37 (13.0) 14 (14.0) 27 (13.3) 24 (13.2) 5 (10.9) 39 (17.0) 7 (6.4)
 60 −69 108 (28.1) 64 (28.6) 44 (27.3) 68 (29.6) 40 (25.8) 86 (30.2) 22 (22.0) 57 (28.1) 51 (28.0) 10 (21.7) 64 (27.8) 34 (31.2)
 70−82 226 (58.7) 140 (62.5) 86 (53.4) 132 (57.4) 94 (60.6) 162 (56.8) 64 (64.0) 119 (58.6) 107 (58.8) 31 (67.4) 127 (55.2) 68 (62.4)
p-value   0.01 0.72 0.29 1.00 0.07
Gender
 Male 176 (45.7) 108 (48.2) 68 (42.2) 106 (46.1) 70 (45.2) 136 (47.7) 40 (40.0) 98 (48.3) 78 (42.9) 16 (34.8) 107 (46.5) 53 (48.6)
 Female 209 (54.3) 116 (51.8) 93 (57.8) 124 (53.9) 75 (54.8) 149 (52.3) 60 (60.0) 105 (51.7) 104 (57.1) 30 (65.2) 123 (53.5) 56 (51.4)
p-value   0.25 0.86 0.18 0.30 0.27
Smoking
 Current 31 (8.1) 18 (9.2) 13 (9.1) 16 (7.7) 15 (11.5) 22 (8.6) 9 (10.8) 15 (8.2) 16 (10.3) 2 (5.1) 23 (11.5) 6 (6.0)
 Former 100 (26.0) 64 (32.7) 36 (25.2) 67 (32.1) 33 (25.4) 82 (32.0) 18 (21.7) 65 (35.5) 35 (22.4) 7 (17.9) 55 (27.5) 38 (38.0)
 Never 208 (54.0) 114 (58.2) 94 (65.7) 126 (60.3) 82 (63.1) 152 (59.4) 56 (67.5) 103 (56.3) 105 (67.3) 30 (76.9) 122 (61.0) 56 (56.0)
p-value   0.31 0.27 0.19 0.03 0.05
Drinking
 Current 144 (37.4) 90 (45.9) 54 (37.8) 88 (42.1) 56 (43.1) 115 (44.9) 29 (34.9) 77 (42.1) 67 (42.9) 13 (33.3) 87 (43.5) 44 (44.0)
 Former 19 (4.9) 11 (5.6) 8 (5.6) 13 (6.2) 6 (4.6) 14 (5.5) 5 (6.0) 9 (4.9) 10 (6.4) 2 (5.1) 12 (6.0) 5 (5.0)
 Never 176 (54.0) 95 (48.5) 81 (56.6) 108 (51.7) 68 (52.3) 127 (49.6) 49 (59.0) 97 (53.0) 79 (50.6) 24 (61.5) 101 (50.5) 51 (51.0)
p-value   0.31 0.82 0.28 0.80 0.77
Exercise (times/week)
 None 110 (28.6) 57 (29.2) 53 (37.1) 68 (32.7) 42 (32.3) 84 (32.9) 26 (31.3) 65 (35.7) 45 (28.8) 16 (41.0) 59 (29.5) 35 (35.4)
  ≤ Twice 228 (59.2) 138 (70.8) 90 (62.9) 140 (67.3) 88 (67.7) 171 (67.1) 57 (68.7) 117 (64.3) 111 (71.2) 23 (59.0) 141 (70.5) 64 (64.6)
p-value   0.13 0.94 0.79 0.18 0.29
Brushing frequency (times/day)
 Once 75 (19.5) 40 (21.1) 35 (26.7) 46 (22.5) 29 (24.8) 58 (23.4) 17 (23.3) 43 (23.9) 32 (22.7) 9 (28.1) 41 (21.6) 25 (25.3)
 Twice 163 (42.3) 96 (50.5) 67 (51.1) 102 (50.0) 61 (52.1) 127 (51.2) 36 (49.3) 93 (51.7) 70 (49.6) 15 (46.9) 101 (53.2) 47 (47.5)
  ≥ 3 times 83 (21.6) 54 (28.4) 29 (22.1) 56 (27.5) 27 (23.1) 63 (25.4) 20 (27.4) 44 (24.4) 39 (27.7) 8 (25.0) 48 (25.3) 27 (27.3)
p-value   0.32 0.68 0.94 0.81 0.58
Flossing frequency
 None 142 (36.9) 80 (41.7) 62 (45.9) 93 (45.4) 49 (40.2) 109 (43.6) 33 (42.9) 81 (45.0) 61 (41.5) 16 (47.1) 78 (40.0) 48 (49.0)
  ≥ Once/week 55 (14.3) 35 (18.2) 20 (14.8) 29 (14.1) 26 (21.3) 43 (17.2) 12 (15.6) 28 (15.6) 27 (18.4) 5 (14.7) 37 (19.0) 13 (13.3)
  ≥ Once/day 130 (33.8) 77 (40.1) 53 (39.3) 83 (40.5) 47 (38.5) 98 (39.2) 32 (41.6) 71 (39.4) 59 (40.1) 13 (38.2) 80 (41.0) 37 (37.8)
p-value   0.64 0.24 0.91 0.73 0.85
Periodontitis by CPI*
 Periodontitis(−) 195 (54.2) 105 (48.8) 90 (62.1) 100 (44.4) 95 (70.4) 133 (48.5) 62 (72.1) 89 (45.2) 106 (65.0) 27 (75.0) 127 (58.5) 41 (38.3)
 Periodontitis(+) 165 (45.8) 110 (51.2) 55 (37.9) 125 (55.6) 40 (29.6) 141 (51.5) 24 (27.9) 108 (54.8) 57 (35.0) 9 (25.0) 90 (41.5) 66 (61.7)
p-value   0.01 <.01 <.01 <.01 <.01
  mean ± sd            
Age (y) 69.2 ± 7.8 69.8 ± 7.2 68.4 ± 8.4 69.1 ± 7.9 69.3 ± 7.7 68.9 ± 7.8 70.1 ± 7.6 69.3 ± 7.8 69.1 ± 7.83 71.0 ± 8.0 a 68.3 ± 7.9 b 70.3 ± 7.2b a
p-value   0.08 0.78 0.18 0.72 0.05
CPI 1.7 ± 1.6 1.8 ± 1.6 1.5 ± 1.5 2.1 ± 1.5 1.1 ± 1.5 1.9 ± 1.5 1.1 ± 1.5 2.0 ± 1.5 1.3 ± 1.5 1.0 ± 1.5 a 1.6 ± 1. 5a 2.2 ± 1.5 b
p-value   0.08 <.01 <.01 <.01 <.01
No. of present teeth 20.9 ± 7.8 20.8 ± 7.1 21.1 ± 8.7 21.7 ± 6.4 19.8 ± 9.4 21.2 ± 7.1 20.1 ± 9.5 21.6 ± 6.8 20.1 ± 8.8 18.8 ± 11.0 21.2 ± 7.6 21.2 ± 6.5
p-value   0.70 0.03 0.32 0.06 0.22
DFMT index 18.0 ± 7.1 18.1 ± 7.0 17.8 ± 7.2 18.2 ± 6.8 17.6 ± 7.4 18.1 ± 7.0 17.5 ± 7.1 17.7 ± 6.8 18.3 ± 7.4 18.1 ± 8.1 18.0 ± 6.8 17.9 ± 7.1
p-value   0.75 0.38 0.43 0.38 0.43
  1. Bold indicates statistical significance shown by chi-square test or t- test (P-value < 0.05). Total results for each variable may be different due to missing values
  2. Means with the same letter (a and b) are not significantly different by Tukey test. *Community Periodontal Index