Table 3.

Percentages and numbers of smoking controls who inhale moderately or deeply or who inhale most or all of the time

Pack-yearsCigarettes smoked per day
<2020-2930-3940+
Inhale moderately or deeply
    <2064.266.7
    20-3478.378.275.075.0
    35-4980.883.680.080.0
    50+87.988.989.389.3
Inhale most or all of the time
    <2065.966.7
    20-3480.577.475.075.0
    35-4984.685.160.060.0
    50+93.990.890.190.1
Number of controls
    <20823600
    20-341,22523574
    35-49473909415
    50+33489378352