Table 2 Multiple linear regression models of the relation between social support and physical component score stratified by hospitalisation

1. Marital status^a

 Married or in de facto relationship

44.15

37.91–48.07

0.98

−0.23–2.20

45.03

39.68–49.18

1.78*

0.38–3.19

 Widowed/separated/divorced

41.79

36.85–47.29

0.87

−0.81–2.55

41.18

36.80–47.16

0.63

−1.14–2.40

 Never married (ref)

44.50

38.98–49.27

0.00

.

46.21

38.94–50.50

0.00

.

2. Children^a

 Yes

44.08

38.88–48.29

0.24

−0.77–1.24

44.95

39.09–49.28

−0.12

−1.20–0.96

 No (ref)

43.78

37.55–48.11

0.00

.

44.48

37.98–48.71

0.00

.

3. Family composition^a

 Married or in de facto relationship with children

44.13

38.65–48.07

1.04

−0.50–2.58

45.21

39.61–49.28

2.14*

0.16–4.11

 Married or in de facto with no children

44.20

37.43–48.21

0.93

−0.67–2.53

45.02

39.68–48.71

2.88*

0.85–4.90

 Widowed/separated/divorced with children

41.21

36.37–45.56

0.24

−1.95–2.42

42.90

37.60–47.88

1.35

−1.08–3.78

 Widowed/separated/divorced with no children

42.56

37.40–49.45

1.05

−0.97–3.07

40.09

36.47–46.88

1.26

−1.24–3.78

 Never married with children

45.17

40.22–49.82

0.13

−1.57–1.83

46.03

38.71–50.50

1.16

−0.91–3.22

 Never married with no children (ref)

43.78

37.73–47.96

0.00

.

46.27

38.94–50.53

0.00

.

4. Family^b

 Definitely

45.09

39.56–49.19

3.68*

1.56–5.80

45.83

40.11–49.44

0.58

−1.46–2.62

 Yes, sometimes

41.19

36.24–46.73

1.72

−0.57–4.01

42.94

37.37–48.99

−0.73

−2.99–1.53

 No, not at all

42.54

36.44–47.64

2.48

−0.15–5.10

40.04

35.96–46.14

−2.56*

−5.04–−0.08

 Not often (ref)

40.68

37.46–46.63

0.00

.

42.67

38.58–47.51

0.00

.

5. Friends^b

 Definitely

45.25

39.26–49.02

2.68*

0.80–4.56

46.21

40.61–49.77

0.56

−1.51–2.64

 Yes, sometimes

42.66

37.43–47.77

0.46

−1.52–2.43

44.01

39.18–49.47

−0.70

−2.88–1.49

 No, not at all

40.39

35.30–45.61

0.07

−2.40–2.54

38.86

35.76–43.34

−3.35*

−5.92– −0.78

 Not often (ref)

41.73

37.59–47.31

0.00

.

42.37

37.96–47.51

0.00

.

6. Neighbours^b

 Definitely

45.31

40.33–49.03

1.44

−0.17–3.05

46.53

41.68–49.78

1.39

−0.33–3.11

 Yes, sometimes

43.54

38.35–48.07

0.24

−1.42–1.91

45.85

38.71–50.56

−0.29

−2.13–1.55

 No, not at all

42.86

37.07–47.96

−0.57

−2.12–0.97

42.70

37.44–47.96

−1.86*

−3.48– −0.23

 Not often (ref)

43.66

37.59–49.18

0.00

.

44.65

38.47–49.28

0.00

.