Table 1.

Descriptive Statistics for British Cohort Study Mothers (Age 34) and their Adolescent Children (Age 12–15) (n=276)

	% or M (SD)
Adolescent Characteristics
Male Gender	52.2%
Older Age (14–15 years)	44.6%
Conduct Problems	2.00 (2.05)
Ever Drank Alcohol	76.4%
Sometimes Drank Alcohol	30.8%
Ever Smoked Cigarettes	34.4%
Ever Used Marijuana	10.2%
Family Characteristics
Social Class - Non-Manual	49.3%
Social Class - Manual	33.7%
Social Class – Non-Employment	29.7%
Two-parent Family	72.5%
Parent-Adolescent Conflict	9.21 (6.88)
Mother Characteristics
Mothers’ Current Drinking Frequency	4.3% Never
	7.2% Never nowadays
	23.2% Less often or only on special occasions
	15.9% 2–3 times/month
	19.2% Once a week
	21.4% 2–3 days/week
	8.7% Most days
If drinks, units of alcohol in prior week	6.31 (9.12)
Mothers’ Drinking Problems	20.6%a
Mothers’ Smoking Frequency	29.0% Never
	21.4% Used to smoke, but not at all now
	7.2% Occasionally, but not every day
	42.4% Every day
If smokes, number of cigarettes per day	15.75 (7.30)
Mother Current Marijuana Use Frequency	82.5% Never tried
	5.5% Never nowadays
	7.3% Less often or only on special occasions
	0.7% Once a month
	0.7% Two to three times a month
	0.7% Two to three days a week
	2.6% On most days

Note:

^aThere were 14 missing cases for the Mothers’ CAGE score.