Table 5 Subdomain analysis of IADL scores in the four groups

Groups

IADL subdomains

telephone use

going out

shopping

food cooking

household maintenance

furniture repair

laundry

taking medicine

financial management

CCT group

Pre

3(0.75,3)

0(0,0)

0(0,0)

0(0,0)

0(0,0)

0(0,0)

0(0,0)

1.5(0,3)

0(0,1.25)

Post

3(1.75,3)

0(0,0)

0(0,0)

0(0,0)

0(0,0.25)

0(0,0)

0(0,0.25)

2.5(0.75,3)

0(0,2.25)

Diff

0(0,0)

0(0,0)^a

0(0,0)^a

0(0,0)^a

0(0,0)^a

0(0,0)^a

0(0,0)^a

0(0,0.25)

0(0,0)^a

Z

-1.342

0.000

-1.414

-1.000

-1.414

0.000

0.000

-1.414

-1.414

P

0.18

1

0.157

0.317

0.157

1

1

0.157

0.157

tDCS group

Pre

3(0,3)

0(0,1)

0(0,0)

0(0,0)

0(0,0.25)

0(0,0)

0(0,0)

2(1,3)

0(0,1)

Post

3(2.25,3)

1(0,1)

0(0,1)

1(0,1)

1(0,1)

0(0,0.25)

1(0,1)

2.5(0,3)

1(0,2)

Diff

0(0,0)

0(0,0.25)^a

0(0,0)^a

0(0,1)

0(0,1)

0(0,0)

0(0,1)

0(0,0)^a

0(0,1)

Z

-1.633

− 0.707

-1.633

-2.646

-2.309

-1.732

-2.308

− 0.276

-2.714

P

0.102

0.48

0.102

0.008*

0.021*

0.083

0.021*

0.783

0.007*

CACT group

Pre

3(1.75,3)

0(0,0.25)

0(0,1)

0(0,0)

0(0,0)

0(0,0)

0(0,0)

2(1,3)

0(0,1.25)

Post

3(2,3)

0(0,1)

0(0,1)

0(0,1)

0(0,1)

0(0,0)

0(0,0)

2.5(1,3)

1(0,2.25)

Diff

0(0,0.25)

0(0,0)^a

0(0,0)^a

0(0,0)

0(0,0)^a

0(0,0)^a

0(0,0)^a

0(0,1)

0(0,1)

Z

-1.414

-1.414

-1.000

-1.414

-1.732

0.000

− 0.816

-1.508

-2.460

P

0.157

0.157

0.317

0.157

0.083

1

0.414

0.132

0.014*

CACT+

tDCS group

Pre

3(2,3)

0(0,1)

0(0,1.25)

0(0,0.5)

0(0,0.25)

0(0,0)

0(0,0.25)

2(1,3)

0(0,1.25)

Post

3(3,3)

1(0,3)

1(0,3)

1(0,3)

2(1,2)

0(0,1)

1(0,3)

3(2.75,3)

2(1,3)

Diff

0(0,1)

1(0,1.25)

1(0,1)

0(0,1.25)

1(0.75,2)

0(0,1)

1(0,2)

1(0,1.25)

1(0,2.25)

Z

-2.264

-2.801

-3.066

-2.558

-3.376

-2.530

-2.850

-3.022

-3.275

P

0.024*

0.005*

0.002*

0.011*

0.001*

0.011*

0.004*

0.003*

0.001*