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Deliverable D 1.3 RESULTS OF META-ANALYSIS ... - cast-eu.org

Deliverable D 1.3 RESULTS OF META-ANALYSIS ... - cast-eu.org

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Campaigns and awareness raising strategies in traffic safety — <strong>Deliverable</strong> D-1.1Table 7.36. Overall effects of road safety campaigns on seatbelt use according to explicitbasis of campaign. Results are given after accounting for publication bias. Each overall effectis based on n individual effects (excluding any artificial effects generated by trim-and-fill).campaigns with basiscampaigns without basisbasiseffect(%)95%confidenceinterval (%)nSig.?(p < 0.05)effect(%)95%confidenceinterval (%)nSig.?(p < 0.05)theory ormodel +31 (+6;+61) 27 yes +24 (+17;+30) 104 yespreviouscampaigns +33 (+22;+44) 77 yes +52 (+29;+80) 24 yesconsultationwith target +50 (+35;+67) 13 yes +28 (+20;+35) 89 yesIt is important for any campaign designer to consider how the appeal will bemade to the target group. According to attitude theory one can use emotionalcontent to address the feeling component of an attitude, and more rationalcontent to try and address the cognitive component (see Road User Model,Work Package D1.4). This theory predicts that those campaigns that manageto use both emotional and rational content together would tend to be moreeffective.Therefore, where enough information was available, we made a judgement asto whether the content of the campaign was emotional, rational or both (Table7.1). Emotional content is that which tends not to persuade through facts andfigures, but uses appealing images or stories of individuals, for example.Rational content is information that tends to present logical reasons why thetarget should change their behaviour. Table 7.37 reports overall effects forboth accidents and seatbelt use.Table 7.37. Overall effects of road safety campaigns on road accidents and seatbelt useaccording to nature of appeal used in campaign. Results are given after accounting forpublication bias. Each overall effect is based on n individual effects (excluding any artificialeffects generated by trim-and-fill).AccidentsSeatbelt usemediumeffect(%)95%confidenceinterval (%)nSig.?(p < 0.05)effect(%)95%confidenceinterval (%)nSig.?(p < 0.05)emotionalappeal 3 +26 (+14;+39) 12 yesrational appeal -11 (-4;-17) 51 yes +13 (+3;+24) 47 yesemotional andrational appeal -15 (-21; -7) 28 yes +66 (+35; +104) 7 yesCampaigns with combined content had an overall accident-reducing effect of15 per cent, and increased seatbelt use by 66 per cent. The latter effect wassignificantly better than the overall effect of campaigns that used exclusively84

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