Characteristic | All | Clinical health | Clinical gingivitis | Mean difference / OR (95% CI)a |
---|---|---|---|---|
Cleaning frequency (times per day) | ||||
 1 | 1030 (72.6) | 618 (72.6) | 412 (72.7) | Ref |
  ≥ 2 | 388 (27.4) | 233 (27.4) | 155 (27.3) | 1.00 (0.79, 1.27) |
Cleaning frequency (times per week) | ||||
 1–6 | 56 (3.9) | 28 (3.3) | 28 (4.9) | Ref |
 7–13 | 1148 (80.9) | 702 (82.4) | 446 (78.7) | 0.64 (0.37, 1.09) |
  ≥ 14 | 215 (15.2) | 122 (14.3) | 93 (16.4) | 0.76 (0.42, 1.37) |
Cleaning timingb | ||||
 Morning | 1407 (99.2) | 845 (99.4) | 562 (98.9) | 0.55 (0.17, 1.82) |
 Afternoon | 172 (12.1) | 96 (11.3) | 76 (13.4) | 1.22 (0.88, 1.68) |
 Evening | 291 (20.5) | 175 (20.5) | 116 (20.4) | 0.99 (0.76, 1.29) |
 After meals | 239 (16.8) | 140 (16.4) | 99 (17.4) | 1.07 (0.81, 1.42) |
 After sweets | 16 (1.1) | 9 (1.1) | 7 (1.2) | 1.17 (0.43, 3.16) |
Cleaning duration | ||||
 Minutes (mean ± SD) | 10.0 ± 10.3 | 10.1 ± 10.3 | 9.7 ± 10.3 | −0.4 (−1.5, 0.7) |
Cleaning duration (mins) | ||||
 1–2 | 90 (6.4) | 50 (5.9) | 40 (7.1) | Ref |
 3–10 | 1070 (75.7) | 645 (76.2) | 425 (75.0) | 0.82 (0.53, 1.27) |
 11–29 | 105 (7.4) | 65 (7.7) | 40 (7.1) | 0.77 (0.43, 1.36) |
  ≥ 30 | 149 (10.5) | 87 (10.3) | 62 (10.9) | 0.89 (0.53, 1.51) |
Instrument useb | ||||
 Toothbrush | 1044 (73.5) | 635 (74.5) | 409 (72.0) | 0.88 (0.69, 1.12) |
 Datiwan | 626 (43.1) | 359 (41.3) | 267 (45.9) | 1.21 (0.98, 1.49) |
 Finger | 210 (14.8) | 126 (14.8) | 84 (14.8) | 1.00 (0.74, 1.35) |
Brush replacement frequency (months) | ||||
 1–2 | 720 (69.8) | 442 (71.1) | 278 (68.0) | Ref |
 3–6 | 275 (26.7) | 156 (25.1) | 119 (29.1) | 1.21 (0.91, 1.61) |
  ≥ 7 | 36 (3.5) | 24 (3.9) | 12 (2.9) | 0.79 (0.39, 1.62) |
Dentifrice use (at least once per week)b | ||||
 Toothpaste | 817 (57.5) | 497 (58.3) | 320 (56.3) | 0.92 (0.74, 1.14) |
 Danta munjhan powder | 229 (16.1) | 138 (16.2) | 91 (16.0) | 0.99 (0.74, 1.32) |
 Charcoal | 39 (2.7) | 23 (2.7) | 16 (2.8) | 1.04 (0.55, 2.00) |
 Other | 54 (3.8) | 30 (3.5) | 24 (4.2) | 1.21 (0.70, 2.09) |
Fluoride in toothpaste | ||||
 No | 455 (42.8) | 274 (42.2) | 181 (43.6) | Ref |
 Yes | 584 (54.9) | 361 (55.6) | 223 (53.7) | 0.94 (0.73, 1.20) |
 Don’t know | 25 (2.3) | 14 (2.2) | 11 (2.7) | 1.19 (0.53, 2.68) |
New behaviors adopted during pregnancyb | ||||
 More teeth cleaning | 54 (3.8) | 35 (4.1) | 19 (3.3) | 0.81 (0.46, 1.43) |
 Less teeth cleaning | 5 (0.4) | 4 (0.5) | 1 (0.2) | 0.37 (0.04, 3.35) |
 New instrument | 28 (2.0) | 13 (1.5) | 15 (2.6) | 1.75 (0.83, 3.71) |
 New dentifrice | 8 (0.6) | 6 (0.7) | 2 (0.4) | 0.50 (0.10, 2.48) |