Table 1 Sociodemographic data of sleep bruxism subjects and controls

From: Effects of sleep bruxism on functional and occlusal parameters: a prospective controlled investigation

Variable

Sleep bruxism group

Controls

P

Age

29.09±4.65

27.12±5.10

0.065a

Gender

39 (67.2%) F; 19 (32.8%) M

19 (57.6%) F; 14 (42.4%) M

0.357b

Education

3 x1; 0 x2; 36 x3; 19 x4

2 x1; 2 x2; 24 x3; 5 x4

0.095b,c

  1. Following to Bonferroni adjustment, significance level amounted to P<0.003.
  2. a Two-samples t-test; data are presented as mean±s.d.
  3. b Chi-square test.
  4. Education was divided into four grades: x1, 10 years school; x2, 12 years school; x3, 13 years school; x4, 18 years school (university).
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