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Table 2 Mean scores for perceived stress by personal characteristics, bruxism and gender

From: Perceived stress and bruxism in university students

Parameter PSS-10 M PSS-10 F P BRUX1 M BRUX1 F P BRUX2 M BRUX2 F P
Lives with own family
(M = 106 F = 138)
30.8 33.3 0.03* 1.5 1.87 0.03* 1.52 1.73 NS
Lives out of family
(M = 13; F = 20)
31.3 32.6 0.03* 2.2 1.7 NS 1.91 1.93 NS
Regular exercise
(M = 75; F = 69)
31.2 32.6 NS 1.62 1.77 NS 1.52 1.69 NS
No regular exercise
(M = 42; F = 79)
30.7 33.2 0.02* 1.77 1.83 NS 1.51 1.72 NS
Smokes cigarettes
(M = 45; F = 39)
29.3 33.2 0.04* 1.31 1.94 NS 1.5 1.92 NS
Non smoker
(M = 133; F = 118)
31.5 32.8 0.01* 1.18 1.74 <0.001** 1.52 1.64 NS
Consumed alcoholics
(M = 84; F = 60)
30.7 33.5 0.01* 1.73 2.09 NS 1.5 2.05 0,01*
No alcoholics
(M = 52; F = 97)
31.4 32.6 NS 1.59 1.66 NS 1.57 1.5 NS
Experienced drugs
(M = 36; F = 26)
30.5 32.6 NS 2.15 1.84 NS 1.75 1.8 NS
No drugs
(M = 81; F = 131)
31.3 33.0 0.002** 1.54 1.80 NS 1.41 1.69 NS
  1. PSS-10 = perceived stress score, 10-item scale
  2. BRUX1 bruxism awake; BRUX2 sleep bruxism; NS not significant
  3. *P < 0.05 is statistically significant; **P < 0.001 is statistically highly significant