Table 1.

Sample Characteristics^a

	Mean	95% CI	N
Age, years	21.14	21.12, 21.16	1,384
Male	0.41	0.38, 0.44	1,386
Past 30-day smoking	0.21	0.19, 0.23	1,381
Started education	0.65	0.63, 0.69	1,345
New dating	0.55	0.53, 0.58	1,336
Babysit sibling	0.52	0.50, 0.55	1,343
New job	0.47	0.45, 0.50	1,344
New romance	0.44	0.41, 0.47	1,338
Can’t find work	0.34	0.31, 0.36	1,343
Breakup	0.31	0.28, 0.34	1,341
Caregiver	0.22	0.20, 0.24	1,343
Lost job	0.20	0.18, 0.22	1,343
Demotion	0.15	0.13, 0.17	1,342
Stopped babysitting	0.13	0.11, 0.15	1,340
Moved in w/significant	0.14	0.12, 0.15	1,343
Serious illness	0.12	0.10, 0.14	1,345
Had a baby	0.11	0.10, 0.13	1,344
Engaged	0.10	0.08, 0.12	1,343
Overcame illness	0.08	0.07, 0.10	1,345
Stopped care giving	0.07	0.06, 0.09	1,335
Overcame addiction	0.05	0.04, 0.06	1,335
Arrested	0.04	0.03, 0.05	1,346
Lost a baby	0.04	0.03, 0.05	1,342
Married	0.04	0.03, 0.05	1,341
Drug/alcohol addiction	0.03	0.02, 0.04	1,342
Divorce	0.004	0.000, 0.007	1,343
Legal separation	0.004	0.000, 0.007	1,342

Note. ^aNumbers in cells are means, associated 95% CIs, and useful sample size for each concept.