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Table 3 Unstandardized linear regression ( b ) coefficients for the sense of control obtained from predicting the physical performance measures at the 9-year follow-up in the African American Health cohort

From: Childhood school segregation and later life sense of control and physical performance in the African American Health cohort

 

N

Model 1

Model 2

Model 3

Physical Performance Measures

Systolic Blood Pressure (mm/hg)1

511

−0.826***

−0.826***

−0.730**

Diastolic Blood Pressure (mm/hg)1

512

−0.147

0.145

−0.207

Grip Strength (kg)2

493

0.654***

0.640***

0.285**

Peak Expiratory Flow (ml)3

442

7.774***

7.341***

2.743*

Gait Speed (0 to 5)4

462

0.056***

0.052***

0.019

Chair Stands (0 to 5)4

462

0.088***

0.087***

0.037**

Balance Tests (0 to 5)4

491

0.095***

0.091***

0.039**

Short Portable Physical Battery (0–12)5

462

0.237***

0.231***

0.105***

  1. Note: Model 1 includes only the sense of control, Model 2 adds the two school segregation measures, and Model 3 adds the remaining covariates from Model 5 in Table 2.
  2. 1Average of three automated sphygmomanometer readings.
  3. 2Average of three trials with a hand held dynamometer.
  4. 3Average of three trials with a hand held flow meter.
  5. 4Scores of 0 reflect unable to perform, and 1–4 reflect national quartile thresholds.
  6. 5Scores are the sum of scores on the gait speed, chair stands, and balance tests.
  7. * = p < .05; ** = p < .01; *** = p < .001.