Table 3 Results of logistic regression models of factors explaining poor psychological wellbeing

Caregiving

Caregiver

No

1

1

1

1

1

Yes

1.30** (1.23 to 1.37)

1.38** (1.30 to 1.46)

1.31** (1.24 to 1.39)

1.25** (1.18 to 1.33)

1.22** (1.15 to 1.30)

Demographic

Gender

Male

1

1

1

1

1

Female

1.56** (1.50 to 1.63)

1.55** (1.49 to 1.61)

1.51** (1.45 to 1.57)

1.63** (1.57 to 1.70)

1.63** (1.56 to 1.69)

Age

0.99** (0.99 to 0.99)

0.99** (0.99 to 0.99)

0.99** (0.99 to 0.99)

0.99** (0.99 to 0.99)

0.98** (0.98 to 0.99)

Education level

University

1

1

1

1

1

Secondary school or equal

1.12** (1.06 to 1.18)

1.08** (1.03 to 1.14)

1.00 (0.95 to 1.06)

0.99 (0.94 to 1.04)

0.96 (0.91 to 1.01)

Compulsory school

1.07* (1.01 to 1.13)

1.16** (1.10 to 1.22)

1.06* (1.01 to 1.12)

1.01 (0.96 to 1.06)

0.95 (0.90 to 1.00)

Socioeconomic

Financial status

No problems

1

1

1

1

Have problems

3.58** (3.42 to 3.75)

3.02** (2.88 to 3.15)

2.65** (2.53 to 2.78)

2.41** (2.28 to 2.55)

Social support

Emotional social support

Yes

1

1

1

No

3.00** (2.85 to 3.15)

2.44** (2.31 to 2.58)

2.41** (2.28 to 2.55)

Instrumental social support

Yes

1

1

1

No

3.71** (3.47 to 3.96)

2.06** (1.91 to 2.23)

2.02** (1.87 to 2.19)

Illness

Long-term illness

No

1

1

Yes

2.54** (2.44 to 2.65)

2.44** (2.34 to 2.54)