Table 2.
INTERAPNEA study outcomes and measurements.
| Variable | Measurement | Assessment |
|---|---|---|
| General health history and sociodemographic information | General medical examination (i.e., anamnesis, physical exploration, vital measurements, etc.) | Week 0 |
| Clinical and socio-demographic interview | Week 0 | |
| Fasting blood test | Week 0, 9, 32 | |
| Sleep quality and health-related quality of life | ||
| Sleep habits | Sleep diary | Week 0, 9, 32 |
| Circadian preference/chronotype | Morningness-Eveningness Questionnaire | Week 0, 9, 32 |
| Sleep quality | The Pittsburgh Sleep Quality Index | Week 0, 9, 32 |
| Daytime sleepiness | Epworth Sleepiness Scale | Week 0, 9, 32 |
| Psychomotor Vigilance Test | Week 0, 9, 32 | |
| Perceived health-related quality of life | Sleep Apnea Quality of Life | Week 0, 9, 32 |
| Short-Form 36 Health Survey | Week 0, 9, 32 | |
| General Health Questionnaire | Week 0, 9, 32 | |
| Objective sleep | ||
| Neurophysiological outcomes | Polysomnography equipment | Week 0, 9, 32 |
| Cardiorespiratory outcomes | Polysomnography equipment | Week 0, 9, 32 |
| Body weight and composition | ||
| BMI and anthropometric measurements | Weight and height measurement, and neck, chest and waist circumferences | Week 0, 9, 32 |
| Body composition | Dual Energy X-ray Absorptiometry | Week 0, 9, 32 |
| Lifestyle habits | ||
| Physical exercise habits | Spring-levered pedometer and daily step logs | Week 0, 9, 32 |
| Dietary habits | Food Behaviour Checklist | Week 0, 9, 32 |
| Mediterranean Diet Adherence Screener | Week 0, 9, 32 | |
| Tobacco dependence and consumption | Self-reported tobacco consumption logs | Week 0, 9, 32 |
| The Fagerstrom Test for Nicotine Dependence | Week 0, 9, 32 | |
| Alcohol consumption | Self-reported alcohol consumption logs | Week 0, 9, 32 |
| Physical fitness | ||
| Cardiorespiratory fitness | 2 km walk test | Week 0, 9, 32 |
| Subjective physical fitness | International Fitness Scale | Week 0, 9, 32 |
| Daily functioning and mood | ||
| Functional outcomes related to sleepiness | Functional Outcomes of Sleep Questionnaire | Week 0, 9, 32 |
| Subthreshold anxiety symptoms | State-Trait Anxiety Inventory | Week 0, 9, 32 |
| Subthreshold depression symptoms | Beck Depression Inventory-Fast Screen | Week 0, 9, 32 |
| Inventario de Depresión Estado-Rasgo | Week 0, 9, 32 | |