Table 2

Association between tobacco control advertising at ≥100 targeted rating points (TRPs)/month, ≥400 TRPs/month and ≥800 TRPs/month at different durations over the past 3 months and adolescent smoking (Australia 1993–2008)

 ≥100 TRPs/month≥400 TRPs/month≥800 TRPs/month
NOR95% CIp ValueNOR95% CIp ValueNOR95% CIp Value
Duration(0.854)(0.208)(0.002)
 0 months18 1311 (ref)37 1571 (ref)69 0741 (ref)
 1 month19 6741.010.93 to 1.110.74727 5101.030.95 to 1.110.48894210.930.84 to 1.020.109
 2 months16 6950.970.88 to 1.070.56511 0901.030.92 to 1.140.64925340.780.67 to 0.910.002
 3 months27 9790.980.89 to 1.090.74067220.850.76 to 0.940.00314500.680.52 to 0.900.006