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Table 2 School-related behaviors by intervention and time

From: Impact of stress reduction on negative school behavior in adolescents

 

TM Group

CTL Group

 

Pre-intervention Period (n)

Intervention Period

Pre-intervention Period (n)

Intervention Period

p value*

Tardy periods

7.6 ± 6.9 (22)

7.1 ± 6.1

6.3 ± 7.0 (19)

6.9 ± 6.0

ns

Absentee periods

25.7 ± 24.7 (18)

19.3 ± 19.8

12.5 ± 7.3 (17)

17.3 ± 12.8

.05

Grades

79.3 ± 7.5 (20)

79.4 ± 7.9

73.6 ± 14.3 (18)

72.7 ± 15.2

ns

Rule infractions

0.2 ± 0.4 (21)

0.1 ± 0.3

0.0 ± 0.0 (19)

0.3 ± 0.8

.03

Days suspended

0.8 ± 1.8 (23)

0.5 ± 1.2

0.0 ± 0.0 (18)

1.2 ± 3.0

.04

  1. Values are means ± standard deviations. *P values are for group x time interactions. NS = not significant.