Table 1.
Demographic Characteristics of Study Participants, Ashkelon District, Israel, 1997 and 2000 (N = 8623)
| Variable | Category | No. (%) |
|---|---|---|
| Age, y | 8-9 | 4287 (49.7) |
| 10-11 | 3481 (40.4) | |
| 12-13 | 855 (9.9) | |
| Sex | Boy | 3898 (45.2) |
| Girl | 4725 (54.8) | |
| Immigrant status | CISa immigrants | 1706 (19.8) |
| Native Israelis | 6917 (80.2) | |
| Parental smokers | Zero | 4206 (51.1) |
| One | 2947 (35.8) | |
| Two | 1078 (13.1) | |
| Father's education | High school or less | 4995 (64.4) |
| Some college or more | 2767 (35.6) | |
| Mother's education | High school or less | 4792 (57.7) |
| Some college or more | 3509 (42.3) | |
| Combined parental education | Neither attended college | 3953 (51.5) |
| One attended college | 1473 (19.2) | |
| Both attended college | 2245 (29.3) |
a
Commonwealth of Independent States.