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 Q2 is followed by 3A Visit 2, within xx days (according to protocol).
3A Q2 is PRECEDED by 3A Questionnaire 1, within xx weeks (according to protocol).
3A Q2 is procedurally equivalent to 1A Questionnaire 2 and 2A Questionnaire 2.

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

3A Q2 contains the following sections and subsections:

• Oral cavity conditions
• Symptoms (SCL-90)

• Self-assessment (intermed) (in 18+)

• Chronotype (MCTQ)
• Earthquakes
• Smoking & tobacco use

• Dentistry

• Alcohol use disorder (DSM-5)
• Nicotine dependence (FTND)
• Social functioning (general)
• Stress (LTE)
• Stress (LDI)

• Macronutrients (FFQh)

• Hair
• Teeth