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Table 3 Changes in scores by group and time period, motorcycle taxi drivers included in a quasi-experimental study, Benin, 2021

From: Implementation of a model of awareness-raising for taxi motorcyclists in Benin in relation to helmet use: a quasi-experimental study

Scores

T0

T1

T2

Intervention (n = 83)

Control (n = 60)

p-value

Intervention (n = 59)

Control (n = 51)

p-value

Intervention (n = 42)

Control (n = 55)

p-value

Mean (SD)

Mean (SD)

Mean (SD)

Knowledge

9.4 (2.1)

7.7 (1.7)

<0.001

9.5 (1.8)

7.9 (2.2)

<0.001

9.3 (1.9)

7.4 (2.1)

<0.001

Attitude

18.7 (1.9)

17.4 (2.4)

0.001

19.7 (1.6)

19.2 (1.5)

0.104

20.0 (1.4)

18.2 (1.6)

<0.001

Subjective norms

8.5 (2.3)

7.9 (2.0)

0.140

9.4 (2.2o)

8.6 (2.3)

0.081

9.7 (2.0)

9.8 (2.4)

0.834

Perceived behavioural control

0.0 (0.0)

0.1 (0.3)

0.017

0.9 (0.2)

1.0 (0.0)

0.103

0.9 (0.2)

1.0 (0.1)

0.412

Intention

14.2 (2.1)

14.7 (1.1)

0.134

16.0 (1.6)

16.1 (1.0)

0.753

16.1 (1.5)

16.1 (1.2)

0.945

Helmet use behaviour

17.4 (2.2)

16.5 (3.0)

0.062

18.6 (3.1)

16.0 (2.9)

<0.001

19.9 (1.9)

16.1 (2.0)

<0.001

Total score

68.1 (5.7)

64.3 (4.6)

<0.001

74.2 (4.6)

68.8 (5.0)

<0.001

75.8 (4.1)

68.4 (5.8)

<0.001