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Table 3 Correlation between bruxism and perceived stress by personal characteristics and gender, Kendall’s Tau method

From: Perceived stress and bruxism in university students

Parameter PSS-10 vs. BRUX1 
M
PSS-10 vs. BRUX2 
M
PSS-10 vs. BRUX1
F
PSS-10 vs. BRUX2
F
Lives with own family
(M = 106; F = 138)
0.17
NS
0.01
NS
0.06
NS
0.15
NS
Lives out of family
(M = 13; F = 20)
0.976
Conc. 0.009**
Dep. 0.001**
0.21
NS
−0.01
NS
−0.19
NS
Regular exercise
(M = 75; F = 69)
0.21
Conc. 0.01*
Dep. 0.03*
0.09
NS
0.08
NS
−0.15
NS
No regular exercise
(M = 42; F = 79)
0.25
Conc. 0.01*
Dep. 0.02*
−0.24
Disc. 0.02*
Dep. 0.05*
0.02
NS
0.04
NS
Smokes cigarettes
(M = 45; F = 39)
−0.09
NS
0.01
NS
−0.05
NS
−0.10
NS
Non smoker
(M = 133; F = 118)
0.917
Conc. 0004**
Dep. 0009**
−0.03
NS
0.09
NS
−0.02
NS
Consumed alcoholics
(M = 84; F = 60)
0.29
Conc. 0,01*
Dep. 0.02*
0.01
NS
0.16
Conc. 0.04*
Dep. 0.08 NS
−0.06
NS
No alcoholics
(M = 52; F = 97)
0.19
Conc. 0.03
Dep. 0.06 NS
−0.1
NS
0,15
Conc. 0.04*
Dep. 0.09 NS
−0.02
NS
Experienced drugs
(M = 36; F = 26)
0.17
Conc. 0.03*
Dep. 0.06 NS
−0.03
NS
0.09
NS
0.03
NS
No drugs
(M = 81; F = 131)
0.18
Conc. 0.02*
Dep. 0.04*
−0.02
NS
0.04
NS
−0.05
NS
  1. Tau-b value is reported, P is reported if significant
  2. Conc concordance; Disc discordance; Dep dependence; NS not significant
  3. *P < 0.05 is statistically significant; **P < 0.001 is statistically highly significant