Table 2 DMFT score in association with clinical characteristics

Age group

F_{(2, 488)} = 93.02, p < 0.001

< 40 years (N =75)

10.7 ± 6.2 ^a

p < 0.001 vs. 40–59 years; p < 0.001 vs. ≥ 60 years

40 - 59 years (N = 221)

18.8 ± 7.0 ^b

p < 0.001 vs. < 40 years; p < 0.001 vs. ≥ 60 years

≥ 60 years (N = 227)

23.5 ± 6.3 ^c

p < 0.001 vs. < 40 years; p < 0.001 vs. 40–59 years

Smoking

F_{(1, 488)} = 13.83, p < 0.001

Yes (N = 172)

21.1 ± 7.4

N.A.

No (N = 351)

19.0 ± 8.0

N.A.

Frequency of daily tooth brushing

F_{(3, 488)} = 8.26, p < 0.001

< Once/day (N = 136)

23.5 ± 7.2 ^d

p < 0.001 vs. once daily; p < 0.001 vs. twice daily

Once/day (N = 155)

19.4 ± 7.6 ^e

p < 0.001 vs. no daily tooth brushing

Twice/day (N = 99)

17.6 ± 7.8 ^f

p < 0.001 vs. no daily tooth brushing

≥ Three times/day (N = 133)

17.7 ± 7.4 ^g

p < 0.001 vs. no daily tooth brushing

The UKU Tremor subscore

F_{(3, 488)} = 6.53, p < 0.001

0 (N = 294)

18.1 ± 7.8 ^h

p = 0.001 vs. score 1; p < 0.001 vs. score 2; p < 0.001 vs. score 3

1 (N = 166)

20.6 ± 7.8 ⁱ

p = 0.001 vs. score 0; p < 0.001 vs. score 2; p = 0.005 vs. score 3

2 (N = 36)

25.1 ± 4.4 ^j

p < 0.001 vs. score 0; p < 0.001 vs. score 1

3 (N = 23)

25.1 ± 4.9 ^k

p < 0.001 vs. score 0; p = 0.005 vs. score 1

Daily intake of sweets

F_{(1, 488)} = 3.62, p = 0.058

Yes (N = 363)

20.1 ± 7.9

N.A.

No (N = 160)

18.7 ± 7.7

N.A.