Skip to Main Content
Table 1.

Characteristics of the full sample and by zygosity

CharacteristicFull sample (n = 278), mean ± SDMZ twins (n = 220), mean ± SDDZ twins (n = 58), mean ± SD
Age (y) 38.8 ± 12.1 38.7 ± 12.1 39.0 ± 12.2 
BMI (kg/m225.0 ± 4.0 24.9 ± 4.0 25.4 ± 3.9 
Dose infused (μg) 1,183.1 ± 593.9 1,160.2 ± 558.0 1,269.8 ± 712.9 
CLnic (mL/min/kg) 17.9 ± 6.2 17.9 ± 6.2 17.7 ± 6.2 
Nicotine concentration (ng/ml x min) 161.4 ± 100.4 159.6 ± 102.5 168.0 ± 92.7 
Gender (% female) 69.8 68.2 75.9 
Ethnicity (% White) 76.3 76.4 75.9 
Current smoking (% yes) 19.8 17.3 29.3 
CharacteristicFull sample (n = 278), mean ± SDMZ twins (n = 220), mean ± SDDZ twins (n = 58), mean ± SD
Age (y) 38.8 ± 12.1 38.7 ± 12.1 39.0 ± 12.2 
BMI (kg/m225.0 ± 4.0 24.9 ± 4.0 25.4 ± 3.9 
Dose infused (μg) 1,183.1 ± 593.9 1,160.2 ± 558.0 1,269.8 ± 712.9 
CLnic (mL/min/kg) 17.9 ± 6.2 17.9 ± 6.2 17.7 ± 6.2 
Nicotine concentration (ng/ml x min) 161.4 ± 100.4 159.6 ± 102.5 168.0 ± 92.7 
Gender (% female) 69.8 68.2 75.9 
Ethnicity (% White) 76.3 76.4 75.9 
Current smoking (% yes) 19.8 17.3 29.3 
Close Modal

or Create an Account

Close Modal
Close Modal