Characteristics

Study population

Periodontitis

No periodontitis

p

Age

<35 ans

448 (54.2%)

158

290

<0.001

≥35 ans

379 (45.8%)

189

190

Gender

Male

304 (36. 8%)

130

174

0.778

Female

523 (63. 2%)

217

306

Study level

Low level

356 (43.0%)

164

192

0.037

High level

470 (56.8%)

183

287

Smoking status

Smoking

56 (6. 8%)

25

31

0.673

Non-smoking

771 (93.2%)

322

449

Systemic disease

Presence

164 (19.8%)

73

91

0.459

Absence

663 (80. 2%)

274

389

Long term medication

Yes

140 (16.9%

58

82

0.889

No

687 (83. 1%)

289

398

Previous dental treatment

Previous treatment

459 (55.5%)

167

292

0.001

No treatment

368 (44.5%)

180

188

Tooth brushing

Yes

827 (100%)

347

480

-

No

0 (0%)

347

480

-

Type of toothbrush

Modern

827 (100%)

347

480

-

Traditionnel

0 (0%)

0

0

-

Use of toothpaste

Yes

826 (99. 9%)

347

479

1

No

1 (0.1%)

0

1