Table 5 Associations between the number of problems reported and demographic and caregiving variables

SF-12

CSI

PCS

MCS

N

Mean

95% CI

Mean

95% CI

N

Mean

95% CI

None

102

51.06

48.98 – 53.13

48.13

46.20 - 50.06

100

11.10

9.96 – 12.5

1

349

49.75

48.64 – 50.85

48.93

47.87 -49.99

343

8.25

7.61 – 8.88

2-3

402

48.74

47.71 – 49.76

46.17

45.16 -47.19

389

11.61

11.00 – 12.22

4-5

245

47.13

45.70 – 48.56

41.48

40.13 -42.82

240

14.85

14.12 – 15.57

6+

243

44.18

42.58 - 45.76

38.26

36.84 – 39.68

227

17.11

16.37 – 17.85

p

<0.001

<0.001

<0.001

LTNC

SF-12

CSI

PCS

MCS

N

Mean

95% CI

Mean

95% CI

N

Mean

95% CI

MND

363

48.04

46.83 – 49.25

43.01

41.82 -44.21

362

14.69

14.01 – 15.38

MS

641

48.79

47.93 – 49.65

46.12

45.28 -46.96

633

11.44

10.93 – 11.95

PD

626

46.24

45.31 -47.16

44.02

43.16 – 44.89

571

11.89

11.36 – 12.41

p

<0.001

<0.001

<0.001

Age

SF-12

CSI

PCS

MCS

N

Mean

95% CI

Mean

95% CI

N

Mean

95% CI

<55

422

51.92

50.95 – 52.89

43.70

42.57 – 44.83

424

12.18

11.53 – 12.84

55-63

439

49.39

48.35 – 50.43

43.78

42.74 – 44.83

419

13.12

12.47 – 13.78

64-71

415

46.82

45.77 – 47.87

45.74

44.70 – 46.78

389

12.18

11.56 – 12.81

72+

354

41.35

40.12 – 42.58

45.45

44.35 – 46.56

334

11.80

11.10 – 12.50

p

<0.001

0.009

0.036

Gender

SF-12

CSI

PCS

MCS

N

Mean

95% CI

Mean

95% CI

N

Mean

95% CI

Male

689

48.20

47.37 – 49.04

46.41

45.58 – 47.23

681

11.33

10.84 – 11.82

Female

938

47.21

46.45 – 47.97

43.31

42.61 – 44.02

881

13.13

12.69 – 13.57

p

0.087

<0.001

<0.001

Time since becoming a carer (years)

SF-12

CSI

PCS

MCS

N

Mean

95% CI

Mean

95% CI

N

Mean

95% CI

< 1

107

49.63

47.40 – 51.85

44.26

42.15 – 46.38

115

11.70

10.51 -12.90

1-2

288

48.91

47.61 – 50.22

44.64

43.36 – 45.92

276

12.14

11.30 -12.97

3-4

268

47.41

45.97 – 48.84

44.43

43.00 - 45.85

259

11.78

10.96 – 12.60

5-10

466

48.05

47.05 – 49.06

44.80

43.78 - 45382

432

12.11

11.50 12.73

> 10

493

46.12

45.07 – 47.17

44.46

43.50 – 45.42

477

13.27

12.70 13.84

p

0.003

0.984

0.011

Time spent caring (hours/week)

SF-12

CSI

PCS

MCS

N

Mean

95% CI

Mean

95% CI

N

Mean

95% CI

1-19

540

49.83

48.92 – 50.74

47.85

47.00 – 48.70

525

8.09

7.65 – 8.23

20-34

274

47.47

46.12 - 48.81

44.16

42.94 45.37

279

12.15

11.50 – 12.79

35-70

346

47.33

46.11 – 48.55

42.42

41.19 – 43.65

333

14.60

13.97 – 15.24

> 70

429

44.74

43.57 45.91

42.39

41.28 – 43.50

388

16.77

16.17 17.37

p

<0.001

<0.001

<0.001