Demographics Overall (except Group 3): no = 22 Group 1: n1 = 12 Group 2: n2 = 10
Age (year)
   24–29
   30–35
   36–41
   42–47

6 (27%)
8 (36%)
7 (32%)
1 (5%)

3 (25%)
5 (42%)
4 (33%)
0 (0%)

3 (30%)
3 (30%)
3 (30%)
1 (10%)
Gender
   Male
   Female

10 (45%)
12 (55%)

4 (33%)
8 (67%)

6 (60%)
4 (40%)
Legal status
   U.S. citizen
   Permanent resident
   Nonresident alien

18 (82%)
2 (9%)
2 (9%)

12 (100%)
0 (0%)
0 (0%)

6 (60%)
2 (20%)
2 (20%)
Living arrangement
   Alone
   With parents
   With single parent
   With friends
   With live-in lover

5 (23%)
12 (55%)
1 (5%)
3 (4%)
1 (5%)

2 (17%)
8 (67%)
0 (0%)
1 (8%)
1 (8%)

3 (30%)
4 (40%)
1 (10%)
2 (20%)
0 (0%)
Relationship status
   Single
   Girlfriend/Boyfriend
   Married

18 (82%)
3 (14%)
1 (5%)

10 (83%)
1 (9%)
1 (9%)

8 (80%)
2 (20%)
0 (0%)