Overview of screening and baseline questionnaires
| Topic | Data description |
| Screening questionnaire | |
| Purpose, protocol, ethics | Informed consent of participant |
| Participant profile | Name and contact details Age, sex at birth and gender |
| Apartment requirements | Intended occupancy over the next 2 years Presence or absence of air-conditioning |
| IT requirements | Available internet access Availability of smart phone |
| Lifestyle stability | Presence of young children or other caring responsibilities, pregnancy status Typical work patterns and international travel |
| Sleep and health | Weight, height, neck circumference Currently diagnosed with/treated for sleep disorder Obstructive sleep apnoea risk46 47 Symptoms of Restless Legs Syndrome48 |
| Mental and physical health | Frequency of negative feelings (PHQ-9)49
Reported mobility/physical health problems and prescribed medication |
| Baseline questionnaire | |
| Participant demographics and long-term health | Education, employment status, ethnicity, smoking, mental health or illness, ability to undertake daily tasks |
| Household characteristics | Number in household and ages of household members Length of time living in the apartment |
| Sleeping behaviour | Sleep posture and bedwear, bedding and body coverage Windows, curtains and ventilation |
| Health Utilisation Index (HUI) | Frequency of use of GPs, A&E units and pharmacies |
| Pittsburgh Sleep Quality Index (PSQI)50 | Timing of sleep period Reasons and frequency of sleep difficulties Impact on daytime functioning |
| Morningness or Eveningness Questionnaire (MEQ)51 | Preferred time of waking and sleeping Self-assessed morning or evening classification |
| Insomnia (from DSM-5)41 | Difficulty of sleeping Impact on daily functioning Use of sleep-assisting medication |
| Ford Insomnia Response to Stress Test (FIRST)52 | Likelihood of different stressors affecting sleep |
| Functional Outcomes of Sleep Questionnaire (FOSQ)53 | Difficulty of undertaking different activities due to sleepiness |
| Quality of life (EQ5D)54 | Mobility, self-care, routine activities, pain/discomfort, mood and general health |
| Warwick-Edinburgh Mental Well-being Scales (WMWBS)55 | Feelings and thoughts and frequency of these |