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Table 5 Multivariate regression analyses with fixed-effects repeated measures

From: A randomized trial of a theory-driven model of health coaching for older adults: short-term and sustained outcomes

  

Multivariable Analysis

Coefficient

Standard Error

p-value

Outcome 1: Health Habits that modify risk of Chronic disease

 Intercept (Multivariable)

 

6.7

0.95

 

 Time

0

(reference)

 

.0011

8

0.72

0.85

 

20

1.28

0.86

 

 Interaction: Time and Group

Time*Group

  

.0005

 

(reference)

  

Time = 8*Group = HL

3.06

1

 

Time = 20*Group = HL

2.35

1

 

 Income

Greater than $100,000

(reference)

 

.0056

$0—$20,000

1.33

1.04

 

$21,000—$50,000

3.22

0.93

 

$51,000—$100,000

1.47

0.93

 

 Number of Medications

 

-0.22

0.1

.0241

Outcome 2: Independent Self-Care Agency

 Intercept (Multivariable)

 

104.1

3.86

 

 Time

0

(reference)

 

.0071

8

1.83

2.91

 

20

8.13

2.95

 

 Living with spouse/Partner

Yes

(reference)

 

.0117

No

-8.11

2.74

 

 White

Yes

(reference)

 

.0037

No

7.08

2.42

 

 Education

Graduate/Professional

(reference)

 

.0147

Less than Bachelor's

-5.42

2.85

 

Bachelor's

4.69

2.97

 

 Income group

Greater than $100,000

(reference)

 

.0042

$0—$20,000

5.09

4.77

 

$21,000—$50,000

11.27

4.21

 

$51,000—$100,000

4.03

3.62

 

 Time*Group*High BP

 

(reference)

 

.007

Time = 8*Group = HL *High BP = Yes

13.46

4.37

 

Time = 20*Group = HL *High BP = Yes

3.19

4.4

 

 Number of Medications

 

-1.83

0.39

< .0001