Table 1

 Smoking prevalence predicted from tobacco source and access measures, multi-level modelling for 8th grade

Fixed effectRegression coefficientSEt Ratio
Model for individuals (n = 5697)
    Commercial sources0.0960.0382.47*
    Grey market sources0.0170.0560.31
    Social sources0.6070.03118.99**
    Stole from home0.1990.0454.43**
Model for communities (n = 75)
    Population smoking mean0.1270.00814.86**
    Year−0.0050.004−1.14
    Merchant sales rate (MSR)0.0200.0181.11
Cross level effects
    MSR → Commercial sources−0.2740.116−2.36*
    MSR → Grey market sources0.0600.1430.43
    MSR → Social sources0.1450.0712.04*
    MSR → Stole from home−0.0500.104−0.48
Random effectVariance componentSEt Value
*p<0.05; **p<0.01.
Community smoking means0.0010.0002.87*
Commercial source slopes0.0200.0102.00*
Grey market source slopes0.0590.0202.97*
Social source slopes0.0360.0093.89**
Stole from home slopes0.0650.0173.75**
Individual students0.0430.00151.71**