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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