TABLE 1.

Descriptive statistics for study measures

Measure	Full sample (mean/N)	Female (mean/N)	Male (mean/N)	Sex difference (t/χ2)
Alcohol measures
Adolescent alcohol use index	5.43	5.26	5.61	t = −4.58
Young adult alcohol problems	27.78	26.46	29.36	t = −13.75
Early midlife alcohol problems	25.53	24.39	26.99	t = −12.72
Early midlife outcomes
Life satisfaction	24.4	24.98	23.66	t = 6.06
Somatic symptoms	10.8	11.37	10.07	t = 12
Self‐rated health				χ 2  = 2.54
Very poor	11	7	4
Fairly poor	98	61	37
Moderate	617	339	278
Fairly good	2296	1278	1018
Very good	849	484	365
Adolescent covariates
BMI	21.62	21.24	22.01	t = −10.60
Cigarette use				χ 2  = 44.05
I have never smoked, or I have smoking at the moment	2882	1486	1396
I smoke less often than once a week	658	401	257
I smoke once or more a week, but not every day	400	235	165
I smoke once or more daily	1682	794	888
Early midlife covariates
Yes partnership	3131	1796	1335	χ 2  = 8.99
No partnership	716	366	350
Economic standing	4.97	2.58	2.39	t = 6.46
Educational attainment
Primary education	965	443	522
Secondary education	709	366	343
Vocational education	1134	702	432
Masers or Doctorate	1076	663	413
Employment
Employed	2973	1519	1454
Stay at home	333	325	8
Student	163	104	59
Unemployed	408	223	185
Cigarette use				χ 2  = 50.12
I have never smoked or have stopped	2773	1651	1122
I smoke less frequent than once a week	204	87	117
I smoke once a week or more often, though not daily	178	89	89
I smoke daily	686	328	358
Other drug use				χ 2  = 78.62
No	2872	1713	1159
1 to 3 times	588	286	302
4 to 9 times	158	80	78
10 to 19 times	73	33	40
More than 20 times	147	42	105

Note: Bolded values indicate significant sex difference, p < 0.001.