Table 4 Predictors of annual societal cost of AD in Malaysia using generalised linear model with gamma distribution and log link function

Constant

8.275

0.5236

3924.52

7.248

9.301

0.000

Patient

 Patient Severity

0.000 ^#

  Mild

−0.600

0.1293

0.5488

−0.854

−0.347

0.000***

  Moderate

−0.228

0.0998

0.7961

−0.423

−0.032

0.023*

  Severe

R

 MMSE Score

−0.027

0.0126

0.9734

−0.052

−0.003

0.031*

 Monthly duration in BADL (hr)

0.006

0.0006

1.006

0.004

0.007

0.000***

 Monthly Duration in IADL (hr)

0.007

0.0006

1.007

0.006

0.008

0.000***

Caregiver

 Age

0.000

0.0044

1

−0.008

0.009

0.943

 Caregivers’ relationship with PWAD

0.009 ^#

  Spouse

−0.041

0.4170

0.9598

−0.858

0.777

0.922

  Adult–Child

0.228

0.4101

1.2561

−0.576

1.031

0.579

  Family members/ Relatives

0.391

0.4251

1.4785

−0.442

1.224

0.357

  Paid caregiver

0.045

0.4429

1.0460

−0.823

0.913

0.918

  Others

R

 Employment

0.000 ^#

  Yes

0.752

0.0933

2.1212

0.569

0.935

0.000***

  No

R

 Marital status

0.013 ^#

  Yes

−0.009

0.0802

0.9910

−0.167

0.148

0.907

  No

R

 Use of Special Accommodation

0.001 ^#

  Yes

0.669

0.0967

1.9522

0.479

0.858

0.000***

  No

R