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Table 3 Comparison of mean and standard deviation (SD) of the score for “Attitude towards the use of personal protective equipment” before and after motivational group interviewing, for the intervention and control groups

From: Effect of motivational group interviewing-based safety education on Workers’ safety behaviors in glass manufacturing

Time

Before

After

Changes

Paired T-test

Group

Mean & SD

Mean & SD

Mean & SD

Experimental

26.68 ± 4.10

28.40 ± 1.95

1.71 ± 3.16

0.003

Control

26.20 ± 3.10

27.32 ± 2.3

1.1 ± 3.07

0.07

Independent T-test

0.72

0.05

0.02