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The final set of analyses estimated structural equation models to specify the direct and indirect paths of selected parental and child variables on child marijuana use . Felix Neck offers adult and child programs on topics such as birding , ecology , sea life and insects . The safety sheets cover such topics as encouraging children to wear helmets , myths and facts about bicycle safety , choosing the right size bicycle for a child , and child passengers on adults ' bicycles . It also analyzed the impact of violence , the illicit trade of SALW and child soldiers on communities worldwide .