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

Campaigns and awareness raising strategies in traffic safety — Deliverable D-1.17.6.6 CONTENT (MASS-MEDIA)For the mass-media campaigns, there is again a suggestion that contentbased on previous campaigns is preferable for accident reduction, but contentbased on target group consultation is preferable for an increase in seatbeltuse (Tables 7.50 and 7.51 compare with 7.35 and 7.36).Table 7.50. Overall effects of mass media campaigns on accident counts 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 -9 (-15;-3) 14 Yes -13 (-17;-8) 78 yespreviouscampaigns -11 (-17; -4) 44 yes -6 (-14;+2) 17 noconsultationwith target -11 (-21;-0) 14 yes -11 (-17; -4) 44 yesAnalyses on the bases for campaign content are shown in Table 7.52.Including an aspect that addresses social norm appears to be beneficial formass-media campaigns attempting to increase seatbelt use. There is no effectof addressing social norms on accident outcomes, but here addressingconsequences gives reliable effects.Table 7.51. Overall effects of mass-media 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 +6 (-10;+24) 12 no +19 (+11;+27) 52 yespreviouscampaigns +22 (+11;+34) 29 yes +25 (-4; +62) 10 noconsultationwith target +43 (+22; +68) 6 yes +21 (+14;+29) 41 yes95