TABLE 2

Demographic Characteristics of Participants Enrolled in the CHS, by Cohort, 1994–2014, N = 5490

Cohort AaCohort BaCohort CaCohort DaCohort E1bCohort E2b
N (%)N (%)N (%)N (%)N (%)N (%)
Total (N = 5490)75961510769851159896
Gradec,d,e
 1171356510169161159
 12627520880774896
Sex
 Male402 (53.0)328 (53.3)570 (53.0)520 (52.8)555 (47.9)468 (52.2)
 Female357 (47.0)287 (46.7)506 (47.0)465 (47.2)604 (52.1)428 (47.8)
Race/ethnicityd
 Hispanic White193 (25.4)143 (23.3)297 (27.6)290 (29.4)612 (52.8)443 (49.4)
 Non-Hispanic White436 (57.4)362 (58.9)625 (58.1)530 (53.8)384 (33.1)346 (38.6)
 Other130 (17.1)110 (17.9)154 (14.3)165 (16.8)163 (14.1)107 (11.9)
Highest parental educationd,f
 <12th grade111 (15.2)70 (11.8)130 (12.5)89 (9.5)228 (21.2)154 (18.6)
 12th grade157 (21.5)122 (20.6)189 (18.2)172 (18.3)177 (16.5)127 (15.4)
 Some college288 (39.5)249 (42.1)451 (43.5)447 (47.6)393 (36.6)318 (38.5)
 College degree93 (12.7)55 (9.3)115 (11.1)114 (12.1)137 (12.8)118 (14.3)
 Some graduate school81 (11.1)95 (16.1)151 (14.6)117 (12.5)139 (12.9)110 (13.3)
  • —, no data collected.

  • a Cohort A–D communities: Alpine, Lake Elsinore, Lake Gregory, Lancaster, Lompoc, Long Beach, Mira Loma, Riverside, San Dimas, Atascadero, Santa Maria, and Upland.

  • b Cohort E communities: Alpine, Lake Elsinore, Lake Gregory, Mira Loma, Riverside, San Dimas, Santa Maria, Upland, Glendora, Anaheim, San Bernadino, and Santa Barbara.

  • c Some participants contributed to both grades 11 and 12 for Cohorts A–D.

  • d P < .05 for test of difference across cohorts.

  • e 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.

  • f Frequencies do not add to total because of missing values.