# Table 3 Bivariate and multiple models of formal and informal care

Independent variables

Dependent variables

Informal care by primary carer (N = 344)

Informal care, social network (N = 316)

Formal care (N = 356)

Regr.coeff.

(95% CI / SE)

p-value

Regr.coeff. (95% CI)

p-value

Regr.coeff.

(95% CI)

p-value

BIVARIATE MODELS

Gender, male

76.9 (25.6; 128.2)

0.003

1.1 (−1.6; 3.9)

0.428

1.4 (−6.8; 9.6)

0.738

Age

−6.9 (− 10.1; −3.8)

< 0.001

−0.1 (−0.3; 0.0)

0.120

0.1 (− 0.5; 0.6)

0.841

Carer gender, male

−21.5 (− 71.1; 28.2)

0.396

− 0.1 (− 2.7; 2.5)

0.925

− 0.36 (−8.20; 7.5)

0.929

Carer relation

Spouse

302.4 (250.8; 353.9)

< 0.001

−3.0 (− 6.1; 0.2)

0.062

−9.7 (− 19.3; − 0.1)

0.047

Children

0

0

0

Others

41.2 (−25.7; 108.1)

0.227

−2.6 (−7.0; 1.7)

0.235

3.7 (−8.5; 16.0)

0.549

Carer in work, yes

− 155.6 (−201.6; − 109.6)

< 0.001

3.7 (1.1; 6.2)

0.005

4.7 (−3.0; 12.4)

0.230

GMHR, poor/fair

6.1 (−42.5; 54.8)

0.804

−0.9 (−3.5; 1.7)

0.480

8.8 (1.2; 16.4)

0.024

CDR-SB

8.5 (1.5; 15.6)

0.017

0.2 (−0.2; 0.5)

0.433

−0.2 (−1.3; 0.9)

0.699

Co-resident

275.6 (229.8; 321.4)

< 0.001

−1.1 (−3.9; 1.8)

0.453

−11.6 (−20.1; − 3.1)

0.008

MULTIPLE MODELS

Gender, male

21.5 (26.6)

0.419

1.8 (−1.1; 4.8)

0.217

2.6 (−6.1; 11.2)

0.565

Age

−2.0 (1.7)

0.229

−0.2 (−0.4; 0.03)

0.094

−0.1 (− 0.6; 0.5)

0.790

Carer gender, male

−45.0 (− 89.0; −1.0)

0.045

0.5 (− 2.2; 3.1)

0.743

1.2 (−6.9; 9.19)

0.774

Carer relation

Spouse

298.8 (74.5)

< 0.001

−4.5 (−9.8; 0.75)

0.093

−1.9 (−17.6; 13.9)

0.813

Children

0

0

0

Others

10.6 (35.1)

0.763

−1.9 (−6.3; 2.6)

0.411

3.8 (−8.8; 16.5)

0.551

Carer in work, yes

−29.3 (26.7)

0.273

2.5 (−0.6; 5.6)

0.110

1.3 (−8.0; 10.47)

0.790

GMHR, poor/fair

14.1 (−25.2; 53.5)

0.481

−0.9 (−3.4; 1.7)

0.518

8.5 (0.8; 16.2)

0.030

CDR-SB

−0.3 (−6.1; 5.5)

0.921

0.2 (−0.2; 0.5)

0.411

0.03 (−1.1; 1.2)

0.964

Co-resident

1077.4 (314.7)

0.001

1.81 (−2.3; 5.9)

0.383

−10.0 (− 22.3; 2.3)

0.110

Gender x Co-resident

95.09 (52.70)

0.072

Age x Co-resident

−8.74 (3.34)

0.009

Carer relation x Co-resident

Spouse

−321.03 (98.72)

0.001

1 Children

0

Others

127.97 (107.31)

0.234

Carer in work x

−154.95 (66.30)

0.020

Co-resident

1. CI Confidence Interval, SE Standard Error, GMHR General Medical Health Rate, CDR-SB Clinical Dementia Rating Sum of Boxes