Drink frequency

Convert the surveyed drink frequency to a measure of days per week on which drinking occurred.

alc_drink_freq(x)

Arguments

x

Drinking frequency

Value

Returns a numeric translation (days/week) of the categorical drinking frequency variable.

Almost every day

7

Five or six days a week

5.5

Three or four days a week

3.5

Once or twice a week

1.5

Once or twice a month

0.375

Once every couple of months

0.188

Once or twice a year

0.029

Examples

if (FALSE) {

alc_drink_freq(1)

}