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Table 3 Distribution of periodontitis in relation to demographic, socioeconomic and behavioral factors for participants reporting Sami affiliation, n = 1381

From: Periodontal health in an indigenous Sámi population in Northern Norway: a cross-sectional study

 

Periodontitis

 

NSP

n (%)

Stage II

n (%)

Stage III + IV

n (%)

P value

Total

693 (50.2)

403 (29.2)

285 (20.6)

 

Age

   

<  0.001

 18–34

300 (95.8)a

8 (2.6)a

5 (1.6)a

 

 35–49

278 (63.9)b

101 (23.2)b

56 (12.9)b

 

 50–64

81 (17.4)c

223 (47.6)c

164 (35.0)c

 

 65–75

34 (20.6)c

71 (43.0)c

60 (36.4)c

 

Gender

   

0.011

 Men

271 (46.8)b

167 (28.8)

141 (24.4)b

 

 Women

422 (52.6)a

236 (29.4)

144 (18.0)a

 

Household income

   

0.602

  < 300,000

90 (48.8)

63 (34.4)

31 (16.8)

 

 300,001-600,000

267 (48.8)

163 (29.8)

117 (21.4)

 

 600,001-900,000

205 (51.2)

109 (27.3)

86 (21.5)

 

  > 900,000

88 (50.6)

47 (27.0)

39 (22.4)

 

Education

   

<  0.001

 1–9 years

57 (32.0)a

55 (30.9)

66 (37.1)a

 

 10–13 years

223 (48.3)b

140 (30.3)

99 (21.4)b

 

  > 14 years

391 (57.1)c

192 (28.1)

101 (14.8)c

 

Smoking

   

<  0.001

 Yes

100 (35.3)a

90 (31.8)

93 (32.9)a

 

 No

583 (54.0)b

309 (28.7)

187 (17.3)b

 

Toothbrushing

   

0.406

  < 1 time a day

79 (55.6)

32 (22.6)

31 (21.8)

 

 1 time a day

235 (50.9)

133 (28.8)

94 (20.3)

 

  ≥ 2 times a day

378 (48.8)

237 (30.6)

160 (20.6)

 

Frequency of dental visits

   

<  0.001

 Yearly

325 (44.5)a

222 (30.5)

182 (25.0)a

 

 Every other year

292 (58.3)b

134 (26.7)

75 (15.0)b

 

 Seldom

70 (51.5)c

44 (32.3)

22 (16.2)b

 
  1. NSP; No severe periodontitis, Stage II and stage III/IV classified according to a modified AAP/EFP classification method. *P-value for differences between groups using the χ2 test
  2. Differences between groups were assessed with z-test. Different superscript letters denotes significant differences in periodontitis prevalence between characteristics (column proportions) at the 0.05 level