Table 3.
Means (95% confidence intervals) of health-related quality of life (RAND-36) domains according to body composition categories
| Fat mass index low | Fat mass index high | p fat mass index | p lean mass index | p interaction | |||
|---|---|---|---|---|---|---|---|
| Lean mass index low N = 377 |
Lean mass index high N = 144 |
Lean mass index low N = 377 |
Lean mass index high N = 144 |
||||
| General health | 69 (67–71) | 68 (65–70) | 64 (62–67) | 65 (63–67) | < 0.001 | 0.61 | 0.31 |
| Physical functioning | 89 (88–90) | 89 (87–91) | 86 (84–88) | 82 (81–84) | < 0.001 | 0.050 | 0.030 |
| Role physical | 88 (85–90) | 88 (84–92) | 84 (79–89) | 81 (78–85) | 0.009 | 0.51 | 0.49 |
| Bodily pain | 80 (78–83) | 78 (75–82) | 79 (75–83) | 79 (77–81) | 0.74 | 0.43 | 0.52 |
| Mental health | 82 (80–83) | 82 (80–84) | 82 (79–84) | 82 (80–83) | 0.97 | 0.96 | 0.94 |
| Vitality | 72 (70–74) | 74 (71–77) | 72 (69–75) | 71 (69–73) | 0.15 | 0.75 | 0.23 |
| Role emotional | 87 (84–90) | 85 (81–90) | 88 (83–92) | 86 (83–88) | 0.73 | 0.35 | 0.92 |
| Social functioning | 91 (89–93) | 92 (89–94) | 91 (89–94) | 90 (89–92) | 0.67 | 0.77 | 0.37 |
| Physical component score | 51 (50–52) | 51 (49–52) | 49 (48–50) | 48 (47–50) | < 0.001 | 0.29 | 0.58 |
| Mental component score | 54 (53–55) | 54 (53–55) | 55 (53–56) | 54 (54–55) | 0.29 | 0.94 | 0.73 |
Models are adjusted for sex, age, education, smoking, alcohol use, physical activity, and severe long-term illness
p-values for the effect of fat mass index, lean mass index and their interaction