Table 3.
Test–retest reliability* of the Muscle-Strengthening Exercise Questionnaire (MSEQ) items assessing muscle groups targeted for each type of muscle-strengthening exercise and all types combined
| Type of muscle-strengthening exercise | Kappa statistic† (95% CI) | % Agreement |
| Use weight machines | ||
| Legs | 0.70 (0.49 to 0.88) | 85.2 |
| Hips | 0.61 (0.34 to 0.85) | 87.0 |
| Back | 0.74 (0.54 to 0.89) | 87.0 |
| Abdomen | 0.33 (-0.01 to 0.65) | 81.5 |
| Chest | 0.78 (0.59 to 0.93) | 88.9 |
| Shoulders | 0.85 (0.67 to 0.96) | 92.6 |
| Arms | 0.81 (0.63 to 0.96) | 90.7 |
| Body weight exercises | ||
| Legs | 0.51 (0.19 to 0.79) | 85.2 |
| Hips | 0.83 (0.65 to 0.96) | 92.6 |
| Back | 0.40 (0.14 to 0.64) | 72.7 |
| Abdomen | 0.71 (0.41 to 0.93) | 90.7 |
| Chest | 0.54 (0.23 to 0.80) | 85.2 |
| Shoulders | 0.53 (0.26 to 0.74) | 77.8 |
| Arms | 0.57 (0.33 to 0.79) | 79.6 |
| Use resistance bands or free weights | ||
| Legs | 0.55 (0.23 to 0.81) | 87.0 |
| Hips | 0.66 (0.45 to 0.85) | 83.3 |
| Back | 0.49 (0.16 to 0.74) | 81.5 |
| Abdomen | 0.44 (0.19 to 0.67) | 72.2 |
| Chest | 0.33 (0.02 to 0.60) | 75.9 |
| Shoulders | 0.84 (0.55 to 1.00) | 96.3 |
| Arms | 0.63 (0.22 to 0.92) | 92.6 |
| Holistic exercises | ||
| Legs | 0.58 (0.34 to 0.79) | 79.6 |
| Hips | 0.61 (0.38 to 0.81) | 81.5 |
| Back | 0.74 (0.50 to 0.91) | 88.9 |
| Abdomen | 0.66 (0.45 to 0.85) | 83.3 |
| Chest | 0.69 (0.44 to 0.88) | 87.0 |
| Shoulders | 0.57 (0.34 to 0.78) | 81.5 |
| Arms | 0.76 (0.53 to 0.94) | 90.7 |
| All types of muscle-strengthening exercise | ||
| Legs | 0.41 (0.22 to 0.58) | 79.6 |
| Hips | 0.51 (0.34 to 0.66) | 79.6 |
| Back | 0.45 (0.26 to 0.63) | 81.5 |
| Abdomen | 0.35 (0.17 to 0.52) | 77.8 |
| Chest | 0.41 (0.22 to 0.59) | 77.8 |
| Shoulders | 0.44 (0.24 to 0.60) | 83.3 |
| Arms | 0.47 (0.29 to 0.64) | 77.8 |
*Test and retest of MSEQ were conducted a maximum of 14 days apart.
†Kappa coefficient of agreement between test and retest and its 95% CI.