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Table 2 Correlates of impairment in basic activities of daily living among older adults with hip fractures

From: Effects of impairment in activities of daily living on predicting mortality following hip fracture surgery in studies using administrative healthcare databases

Variable

Parameter estimate

Standard error

Test statistic

P value

R2

Demographics

     

Age

     

Continuous

-0.0064

0.031

0.21

0.81

0.000

Categorical

  

F = 0.34

0.72

0.0005

66 – 75

--

--

--

--

--

76 – 85

0.46

0.78

0.59

0.53

 

> 85 years

0.14

0.77

0.19

0.85

 

Sex (Female vs Male)

0.93

0.47

1.77

0.077

0.0023

LTC resident (Yes vs No)

6.30

0.48

13.08

<0.0001

0.11

Medical comorbidity

     

Charlson score

     

Total score

0.078

0.11

0.70

0.48

0.0004

Categorical

  

F = 11.00

<0.0001

0.032

0

---

---

---

---

 

1

5.30

0.81

6.54

<0.0001

 

2

4.27

0.87

4.92

<0.0001

 

3

5.09

0.97

5.28

<0.0001

 

4+

4.45

0.89

5.00

<0.0001

 

Number of major ADGs

     

Total number

0.21

0.14

0.15

0.14

0.0016

F = 2.33

0.004

0.04

Categorical

     

0

----

----

----

----

 

1

2.19

1.72

1.28

0.20

 

2

3.09

1.65

1.87

0.06

 

3

3.95

1.65

2.40

0.017

 

4

3.83

1.66

2.31

0.021

 

5+

2.97

1.59

1.78

0.75

 

Number of outpatient visits in past year

     

Total number

0.041

0.011

3.91

<0.0001

0.011

Categorical

  

F = 5.67

 

0.0085

≤ 10 visits

--

--

--

0.0035

 

11 – 20 visits

1.51

0.66

2.28

--

 

> 20 visits

2.13

0.67

3.35

0.0227

 

0.008

Number of unique drugs

     

Total number

-0.00016

0.034

0.00

0.99

0.000

Categorical

  

F = 1.63

0.18

0.0037

0 – 5 drugs

---

---

----

----

 

6 – 10 drugs

1.25

0.72

1.72

0.085

 

11 – 15 drugs

1.29

0.71

1.80

0.072

 

>15 drugs

0.56

0.73

0.72

0.47

 

Number of hospitalizations

     

Total number

-0.023

0.28

-0.08

0.94

0.000

Any visit

0.025

0.46

0.53

0.59

0.0002

Number of ED visits

0.017

0.14

0.12

0.90

0.000

Categorical

  

F = 0.91

0.43

0.002

0 visits

----

-----

----

----

----

1 visit

0.57

0.53

1.08

0.28

 

2 visits

-0.17

0.60

-0.27

0.78

 

>2 visits

0.72

0.62

1.15

0.25

 

Medical conditions

     

CHF

-1.36

0.50

-2.75

0.0061

0.0057

COPD

-1.41

0.46

-3.07

0.0022

0.0071

Dementia

4.56

0.51

9.00

<0.0001

0.058

Depression

-0.43

0.43

-1.00

0.32

0.0008

Diabetes

-0.30

0.47

-0.65

0.52

0.0003

Hearing impairment

-1.15

0.69

-2.19

0.029

0.0036

Ischemic heart disease

-1.03

0.43

-2.40

0.016

0.0043

Malnutrition

1.57

1.82

0.87

0.39

0.0006

Number of ED visit for falls

0.99

0.34

2.95

0.0033

0.0065

Obesity

-0.24

1.31

-0.18

0.86

0.0000

Osteoarthritis

-1.19

0.42

-2.82

0.0049

0.0059

Parkinson’s disease

2.51

0.91

2.75

0.0060

0.0057

Pressure ulcers

2.03

0.97

2.08

0.037

0.0033

Stroke

1.31

0.48

2.73

0.0064

0.0048

Urinary incontinence

-0.20

0.52

-0.39

0.69

0.0001

Visual impairment

-2.27

1.33

-1.71

0.088

0.0022

  1. ADGs = Aggregated Diagnosis Groups; ED = emergency department; LTC = long-term care.