Table 2 Comparison of health-related quality of life scores in men and women
|  | Total (n = 7009) | Men (n = 3232) | Women (n = 3777) | t value | P value |
|---|---|---|---|---|---|
 Physical function | 83.9 ± 24.9 | 88.9 ± 20.7 | 79.7 ± 27.2 | 16.1 | < 0.001 |
 Role physical | 79.7 ± 23.0 | 86.6 ± 19.3 | 73.9 ± 24.2 | 24.5 | < 0.001 |
 Bodily pain | 78.9 ± 24.0 | 84.4 ± 20.7 | 73.8 ± 25.4 | 20.0 | < 0.001 |
 General health | 48.1 ± 23.1 | 50.9 ± 23.2 | 45.6 ± 22.7 | 9.6 | < 0.001 |
PCS | 48.4 ± 8.4 | 50.2 ± 7.3 | 46.9 ± 8.9 | 16.9 | < 0.001 |
 Vitality | 64.5 ± 25.8 | 69.8 ± 24.2 | 59.9 ± 26.2 | 16.5 | < 0.001 |
 Social function | 81.3 ± 25.9 | 85.1 ± 23.5 | 78.0 ± 27.3 | 11.8 | < 0.001 |
 Role emotional | 75.2 ± 23.3 | 80.5 ± 21.2 | 70.7 ± 24.0 | 18.1 | < 0.001 |
 Mental health | 69.9 ± 22.1 | 74.8 ± 20.9 | 65.7 ± 22.3 | 17.5 | < 0.001 |
MCS | 48.4 ± 10.9 | 50.6 ± 10.3 | 46.6 ± 11.1 | 15.6 | < 0.001 |