Table 5

Unstandardized (b) and standardized (β) regression coefficients from the multivariable linear regression models predicting cognitive function at the last follow-up interview

Independent Variables

TICS-7 at Follow-Up

(N = 3,002)

Immediate Word Recall at Follow-Up

(N = 4,211)

Delayed Word Recall at Follow-Up

(N = 4,033)

b

β

b

β

b

β


Baseline Cognition

Telephone Interview for Cognitive Status (TICS-7; 0-15 correct)

0.36***

0.33

Immediate Word Recall (0-10 correct)

0.34***

0.34

Delayed Word Recall (0-10 correct)

0.29***

0.32

Exposure and Censoring

Years Between Interviews

-0.07***

-0.13

-0.05***

-0.11

-0.05***

-0.11

Years Between Interviews Squared

0.01*

0.05

0.01***

0.09

0.01***

0.08

Entered Managed Care After Baseline

0.42***

0.07

0.46***

0.09

0.50***

0.09

Survived to the End of the Studya

0.67***

0.14

0.33***

0.08

0.45***

0.10

Died ≤ 1 Year After the Last Interviewa

0.22*

0.04

0.15*

0.03

0.10

0.02

Demographic and Socioeconomic

Age

-0.05***

-0.11

-0.06***

-0.16

-0.06***

-0.16

Men

0.17*

0.04

-0.12

-0.03

-0.17*

-0.04

African Americanb

-0.71***

-0.07

-0.20*

-0.03

-0.44***

-0.06

Hispanic Americanb

-0.57*

-0.04

-0.20

-0.02

-0.12

-0.01

Widowedc

-0.08

-0.02

-0.01

-0.00

-0.03

-0.01

Divorced or Separatedc

0.10

0.01

0.05

0.01

0.29*

0.03

Never Marriedc

0.30

0.03

0.21

0.02

-0.02

-0.00

Grade School Onlyd

-0.43***

-0.07

-0.26***

-0.06

-0.17*

-0.03

Attended Colleged

0.20**

0.04

0.27***

0.07

0.25***

0.06

Lowest Income Quintilee

-0.21

-0.03

-0.03

-0.01

-0.12

-0.02

Highest Income Quintilee

0.17

0.04

-0.02

-0.00

0.02

0.01

Disease History and Comorbidity

Acute Myocardial Infarction

0.11

0.01

0.12

0.02

0.07

0.01

Angina

-0.14

-0.02

0.04

0.01

-0.06

-0.01

Arthritis

-0.28**

-0.06

-0.06

-0.02

0.07

0.02

Cancer

0.04

0.01

0.11

0.02

0.15

0.03

Diabetes

-0.08

-0.01

-0.15

-0.03

-0.21*

-0.03

Hip Fracture

-0.10

-0.01

-0.01

-0.00

0.25

0.03

Hypertension

0.10

0.02

0.05

0.01

0.07

0.02

Lung Conditions

0.07

0.01

0.06

0.01

-0.02

-0.00

Psychological Conditions

-0.21

-0.02

-0.21

-0.03

-0.05

-0.01

Stroke

-0.13

-0.02

-0.14

-0.02

-0.30*

-0.04

Comorbidity (≥ 3 of the above diseases)

0.24

0.04

0.19*

0.04

0.26*

0.05

Health Lifetyles

Obesef

0.16

0.03

0.08

0.02

-0.01

-0.00

Underweightf

0.02

0.00

0.09

0.01

-0.05

-0.00

Engages in Vigorous Activity (≥ 3 times per week)

-0.08

-0.02

0.04

0.01

-0.01

-0.00

Current Cigarette Smokerg

-0.02

-0.00

-0.15

-0.02

-0.13

-0.02

Former Cigarette Smokerg

0.11

0.03

0.01

0.00

0.02

0.01

≥ 1 Alcoholic Drink Daily

0.02

0.00

-0.02

-0.00

-0.02

-0.00

Functional Status

Activities of Daily Living Limitations

-0.06

-0.02

-0.06

-0.02

-0.03

-0.01

Instrumental ADL Limitations

-0.07

0.02

-0.11*

-0.04

-0.08

-0.02

Mobility Limitations

0.08*

-0.05

0.03

0.02

0.00

0.00

Good Vision

-0.01

-0.00

-0.07

0.02

-0.01

-0.00

Good Hearing

-0.14

-0.03

0.13*

0.03

-0.02

-0.00

Depressive Symptoms

-0.03

-0.02

-0.04*

-0.04

-0.02

-0.02

Continuity of Care

Every Day After Baselineh

0.17

0.02

0.02

0.04

0.09

0.01

Never After Baselineh

-0.22

-0.05

-0.03

-0.01

0.03

0.01

Post-Baseline Health Shocks

Quartile 1 of Annual Primary Care Visitsi

0.43**

0.09

0.01

0.00

0.12

0.03

Quartile 2 of Annual Primary Care Visitsi

0.38***

0.08

0.01

0.00

0.16

0.04

Quartile 3 of Annual Primary Care Visitsi

0.13

0.03

-0.01

-0.00

0.10

0.02

Quartile 1 of Annual Hospital Episodesj

0.09

0.02

0.16*

0.04

0.08

0.02

Quartile 2 of Annual Hospital Episodesj

0.01

0.00

-0.01

-0.00

-0.07

-0.02

Quartile 3 of Annual Hospital Episodesj

0.28**

0.06

-0.04

-0.00

-0.07

-0.02

Intercept

10.97***

6.30***

5.89***

R2

0.24***

0.28***

0.25***


* = p < 0.05; ** = p < 0.01; *** = p < 0.001

aReference category is died > 1 year after the last follow-up interview.

bReference category is White.

cReference category is married.

dReference category is high school.

eReference category is the three middle quintiles.

fReference category is normal or overweight.

gReference category is never having smoked cigarettes.

hReference category is continuity of care for 1-99%.

iReference category is top quartile of primary care visits.

jReference category is top quartile of annual hospital episodes.

Wolinsky et al. BMC Public Health 2011 11:710   doi:10.1186/1471-2458-11-710

Open Data