TABLE 2.
Demographic Characteristics of Participants Enrolled in the CHS, by Cohort, 1994–2014, N = 5490
| Cohort Aa | Cohort Ba | Cohort Ca | Cohort Da | Cohort E1b | Cohort E2b | |
|---|---|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Total (N = 5490) | 759 | 615 | 1076 | 985 | 1159 | 896 |
| Gradec,d,e | ||||||
| 11 | 713 | 565 | 1016 | 916 | 1159 | — |
| 12 | 627 | 520 | 880 | 774 | — | 896 |
| Sex | ||||||
| Male | 402 (53.0) | 328 (53.3) | 570 (53.0) | 520 (52.8) | 555 (47.9) | 468 (52.2) |
| Female | 357 (47.0) | 287 (46.7) | 506 (47.0) | 465 (47.2) | 604 (52.1) | 428 (47.8) |
| Race/ethnicityd | ||||||
| Hispanic White | 193 (25.4) | 143 (23.3) | 297 (27.6) | 290 (29.4) | 612 (52.8) | 443 (49.4) |
| Non-Hispanic White | 436 (57.4) | 362 (58.9) | 625 (58.1) | 530 (53.8) | 384 (33.1) | 346 (38.6) |
| Other | 130 (17.1) | 110 (17.9) | 154 (14.3) | 165 (16.8) | 163 (14.1) | 107 (11.9) |
| Highest parental educationd,f | ||||||
| <12th grade | 111 (15.2) | 70 (11.8) | 130 (12.5) | 89 (9.5) | 228 (21.2) | 154 (18.6) |
| 12th grade | 157 (21.5) | 122 (20.6) | 189 (18.2) | 172 (18.3) | 177 (16.5) | 127 (15.4) |
| Some college | 288 (39.5) | 249 (42.1) | 451 (43.5) | 447 (47.6) | 393 (36.6) | 318 (38.5) |
| College degree | 93 (12.7) | 55 (9.3) | 115 (11.1) | 114 (12.1) | 137 (12.8) | 118 (14.3) |
| Some graduate school | 81 (11.1) | 95 (16.1) | 151 (14.6) | 117 (12.5) | 139 (12.9) | 110 (13.3) |
—, no data collected.
Cohort A–D communities: Alpine, Lake Elsinore, Lake Gregory, Lancaster, Lompoc, Long Beach, Mira Loma, Riverside, San Dimas, Atascadero, Santa Maria, and Upland.
Cohort E communities: Alpine, Lake Elsinore, Lake Gregory, Mira Loma, Riverside, San Dimas, Santa Maria, Upland, Glendora, Anaheim, San Bernadino, and Santa Barbara.
Some participants contributed to both grades 11 and 12 for Cohorts A–D.
P < .05 for test of difference across cohorts.
Years in grade 11–12: Cohort A, 1994–1995; Cohort B, 1997–1998; Cohort C, 2000–2001; Cohort D, 2003–2004; Cohort E1, 11th: 2014; Cohort E2, 12th: 2014.
Frequencies do not add to total because of missing values.