TABLE 1—

Age^a and Cohort Differences in Depression Scores in Adult Women Assessed at Equivalent Ages

Analyses	β	SE	P
Preboomer cohortb (n = 388)
Intercept	18.312	.294
Mean difference per y	.092	.068	.179
Baby boomer cohortc (n = 313)
Intercept	18.603	.218
Mean difference per y	−.260	.117	.026
Combined cohorts (n = 701)
Intercept	18.312	.304
Age at assessment	.092	.071	.194
Cohortd	.292	.463	.529
Age by cohort interaction	−.352	.132	.008

Note. SE = standard error; SD = standard deviation.

^aAge centered at 44 years.

^bMean age at assessment was 44.4 (SD = 4.3, range 38–55) in the preboomer cohort.

^cMean age at assessment was 43.2 (SD = 3.0, range 34–52) in the baby boomer cohort.

^dPreboomer cohort coded 0; baby boomer cohort coded 1.