From Table 4 age and sex together explain the least amount o
From Table 4, age and sex (together) explain the least amount of variability for what variable?
PCS
Physical function
MCS
Vitality
Psychological well-being
Table 4
Variables predicting PCS, physical function, MCS, vitality, and psychological well-being of HRQoL (multiple regression of significant predictors, in blocks)
Notes:
*P < 0.05 level;
**P < 0.01 level;
***P < 0.001 level (2-tailed).
Abbreviations: BMI, body mass index; HRQoL, health-related quality of life; MCS, mental composite summary; PA, physical activity; PCS, physical composite summary.
| PCS | ||
| Physical function | ||
| MCS | ||
| Vitality | ||
| Psychological well-being |
Solution
From Table 4, age and sex (together) explain the least amount of variability for what variable?
PCS
that is the answer because the standard error SE of age and sex together in PCS is
greater than the others variables , so there is more variability for PCS
