Table 6 Adjusted mean (standard error) for the Physical and Mental Health Component Summary Scores for the number of social groups, stratified by gender

 None

1,680

46.31 (0.22)

*

*

*

0.002

1,825

45.70 (0.22)

*

*

*

<0.001

p = 0.080

 1

1,428

47.02 (0.24)

*

1,848

46.32 (0.23)

*

*

 2

959

47.08 (0.27)

*

1,470

46.53 (0.25)

*

*

 ≥3

1,059

47.11 (0.28)

*

1,863

47.24 (0.25)

*

*

*

 None

1,680

48.18 (0.19)

*

0.024

1,825

47.26 (0.20)

*

*

*

<0.001

p = 0.038

 1

1,428

48.75 (0.21)

*

1,848

47.82 (0.21)

*

*

 2

959

48.30 (0.24)

1,470

48.10 (0.22)

*

 ≥3

1,059

48.57 (0.24)

1,863

48.34 (0.22)

*

*