Table 3 Sociodemographic Variables relationship with Psychological Distress and Positive Mental Well-being

Test

Statistic

p

Effect size⁶

Statistic

p

Effect size⁶

Carer variables

Age^1,4

r

− 0.21

< 0.001

0.14

< 0.001

Gender²

F(3, 859)

1.60

0.19

< 0.01

1.19

0.31

< 0.01

Education²

F(2, 860)

5.03

< 0.01

0.01

4.45

0.01

0.01

Employment³

t(861)

2.22

0.03

0.16

-1.21

0.23

0.09

Intervention³

t(861)

6.34

< 0.001

0.49

-4.46

< 0.001

0.35

Chronic Illness³

t(861)

-6.23

< 0.001

0.50

6.55

< 0.001

0.50

Person with BPD variables

Age¹

r

− 0.02

0.50

0.07

0.05

Gender²

F(3, 859)

1.61

0.19

< 0.01

1.41

0.24

< 0.01

Employment³

t(861)

-1.36

0.17

0.10

1.98

0.05

0.15

Estimated no. of days of self-harm⁴

r

0.15

< 0.001

− 0.15

< 0.001

Estimated no. of days of suicide attempts⁴

r

0.15

< 0.001

− 0.09

0.01

Relationship variables

Relation to person with BPD²

F(4,858)

3.12

0.02

0.01

2.52

0.04

0.01

Living with person with BPD³

t(861)

-4.15

< 0.001

0.28

5.95

< 0.001

0.41

Hours of contact⁴

r

0.17

< 0.001

− 0.23

< 0.001

Years of caregiving⁴

r

− 0.07

0.05

0.06

0.08