Adult and elderly Lifelines participants participating in the third general assessment 3A receive three questionnaires, 3A Questionnaire 1, 3A Questionnaire 2, and 3A Questionnaire 3.
3A Q1 is followed by 3A Visit 1, within xx days (according to protocol).
3A Q1 is also followed by 3A Questionnaire 2, within xx weeks (according to protocol).
3A Q1 is procedurally equivalent to 1A Questionnaire 1 and 2A Questionnaire 1.

The vast majority of participants will receive a digital version of the questionnaire.

3A Q1 contains the following sections and subsections:

• Personal data
• Education
• Employment status
• Family composition
• Household composition
• Multiple births
• Profession
• Sex & gender

• Acne
• Cancer
• Cardiovascular diseases
• Diabetes
• Digestive system diseases
• Diseases (other)
• Fatigue (general)
• Fatigue (CDC)
• Fatigue (CIS)
• Functional Bowel Symptoms (Rome III)
• Kidney/bladder diseases
• Mental illnesses
• Musculoskeletal conditions
• Musculoskeletal symptoms
• Musculoskeletal pain (WPI)
• Occupational eczema (NOSQ)
• Neurological disorders
• Respiratory diseases
• Skin conditions

• Family deaths

• Home environment (general)
• Informal care
• Physical activity (SQUASH)

• Medication

• Psychosis (PSQ)

• Anthropometry (self-reported)
• Skin (QSKIN)

• Menstruation

• Quality of Life (RAND)
• Psychosocial work environment (COPSOQ)
• Work ability (WAI)
• Work psychology (general)