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. 2013 Aug 13;16(1):93–99. doi: 10.1093/ntr/ntt120

Table 1.

Sociodemographic Characteristics of Observation Targets

Variable N % M SD Median Range
Target gender
    Male 204 58
    Female 148 42
Group sizea 3.4 1.6 3.0 1–10
Group gender (male)a 2.8 1.4 3.0 1–10
Pipes per tablea 1.3 0.5 1.0 1–5

Note. N = 352 targets across five restaurants/bars.

aData shown are uncorrected for nonnormality.