Similar nonsignificant program effects were found at T2 for the intention to start smoking-prompt , OR 0.78 ( 95 % CI 0.26-2 .32 ) , no-prompt , OR 1.31 ( 95 % CI 0.45-3 .82 ) - and smoking behavior-prompt , OR 0.53 ( 95 % CI 0.12-2 .47 ) , no-prompt , OR 1.01 ( 95 % CI 0.24-4 .21 ) .