Table 1.
Scales and test–retest correlations.
| Survey items and constructs | Test–retest correlation | |
|---|---|---|
| NUTRITION | ||
| Fruit and vegetable consumption was assessed using the National Cancer Institute’s fruit and vegetable all day screener, a standardized instrument of daily servings (26). Additional questions were added to assess frequency and amount of dietary fat | Fruit | 0.485 |
| Veg | 0.480 | |
| Fruit and veg | 0.554 | |
| Fat | 0.696 | |
| SLEEP/FATIGUE | ||
| Subjective, self-reported measures of sleep and fatigue were assessed using items from the National Institutes of Health Patient-Reported Outcomes Information System (PROMIS) sleep disturbance, the Pittsburgh Sleep Quality Index (PSQI), and the Karolinska Sleepiness Scale (27–29) | Sleep quality | 0.652 |
| Sleep quantity | 0.652 | |
| Fatigue | 0.645 | |
| Karolinska | 0.292 | |
| HEALTH PERCEPTIONS | ||
| General health status was assessed with the SF-36 (30) | SF-36 | 0.743 |
| MUSCULO-SKELETAL DISCOMFORT | ||
| Musculo-skeletal discomfort was assessed using 18 of the 54-items of the Cornell Musculo-skeletal Discomfort Questionnaire (CMDQ) (31) | Musculo-skeletal pain | 0.635 |
| STRESS, HEALTHY EATING, AND PHYSICAL ACTIVITY | ||
| Constructs with established reliability from our previous studies were used (25) | Stress | 0.732 |
| Healthy eating | 0.733 | |
| Physical activity | 0.632 | |
| BURNOUT | ||
| Burnout was assessed with questions from the emotional exhaustion subscale of the Maslach Burnout Inventory (MBI) (32) | Burnout | 0.654 |