Table 2. Linear Regression Model Coefficients for the Association Between Segregated/Integrated School Attendance Experience and z-Standardized Late-Life Cognitive Domains in STAR.
| Model | Executive function | Semantic memory | Verbal episodic memory | |||
|---|---|---|---|---|---|---|
| β (95% CI) | P value | β (95% CI) | P value | β (95% CI) | P value | |
| Adjusted for age | ||||||
| Attended integrated schools | ||||||
| Never | 1 [Reference] | 1 [Reference] | 1 [Reference] | |||
| Only | 0.20 (0.004 to 0.39) | .05 | 0.46 (0.25 to 0.66) | <.001 | 0.05 (−0.15 to 0.26) | .62 |
| Integrated between | ||||||
| 1st and 5th grades | 0.34 (0.05 to 0.62) | .02 | 0.38 (0.07 to 0.68) | .02 | 0.11 (−0.20 to 0.41) | .50 |
| 6th and 8th grades | −0.18 (−0.47 to 0.11) | .21 | −0.09 (−0.40 to 0.22) | .58 | −0.08 (−0.38 to 0.23) | .63 |
| 9th and 12th grades | 0.05 (−0.29 to 0.40) | .76 | 0.15 (−0.22 to 0.52) | .42 | 0.30 (−0.07 to 0.67) | .11 |
| From integrated to segregated schools | 0.10 (−0.27 to 0.47) | .60 | 0.56 (0.16 to 0.96) | .01 | 0.11 (−0.29 to 0.50) | .60 |
| Adjusted for age, sex, and educational level | ||||||
| Attended integrated schools | ||||||
| Never | 1 [Reference] | 1 [Reference] | 1 [Reference] | |||
| Only | 0.19 (0.01 to 0.37) | .04 | 0.47 (0.28 to 0.66) | <.001 | 0.04 (−0.16 to 0.23) | .71 |
| Integrated between | ||||||
| 1st and 5th grades | 0.36 (0.09 to 0.62) | .01 | 0.46 (0.17 to 0.74) | .002 | 0.07 (−0.22 to 0.36) | .63 |
| 6th and 8th grades | −0.10 (−0.37 to 0.17) | .47 | −0.01 (−0.30 to 0.28) | .96 | −0.04 (−0.33 to 0.25) | .80 |
| 9th and 12th grades | 0.06 (−0.26 to 0.38) | .71 | 0.20 (−0.14 to 0.55) | .25 | 0.27 (−0.08 to 0.62) | .13 |
| From integrated to segregated schools | 0.09 (−0.25 to 0.44) | .60 | 0.59 (0.21 to 0.97) | .002 | 0.09 (−0.28 to 0.46) | .63 |
| Adjusted for age, sex, educational level, and Southern birth | ||||||
| Attended integrated schools | ||||||
| Never | 1 [Reference] | 1 [Reference] | 1 [Reference] | |||
| Only | 0.15 (−0.04 to 0.34) | .12 | 0.34 (0.14 to 0.54) | .001 | −0.001 (−0.21 to 0.21) | .99 |
| Integrated between | ||||||
| 1st and 5th grades | 0.35 (0.08 to 0.61) | .01 | 0.43 (0.15 to 0.72) | .003 | 0.07 (−0.22 to 0.35) | .66 |
| 6th and 8th grades | −0.10 (−0.37 to 0.17) | .46 | −0.01 (−0.30 to 0.28) | .94 | −0.04 (−0.33 to 0.25) | .79 |
| 9th and 12th grades | 0.06 (−0.26 to 0.39) | .70 | 0.21 (−0.13 to 0.56) | .23 | 0.27 (−0.08 to 0.62) | .12 |
| From integrated to segregated schools | 0.07 (−0.27 to 0.42) | .67 | 0.55 (0.17 to 0.92) | .004 | 0.08 (−0.30 to 0.45) | .69 |
Abbreviation: STAR, Study of Healthy Aging in African Americans.