====== 1A Questionnaire 2 ======

Adult and elderly Lifelines participants participating in general assessment [[1A]] (“Baseline”) received two questionnaires, [[1A Questionnaire 1]] and 1A Questionnaire 2.\\
The average time between [[1A Questionnaire 1]] and 1A Q2 was 53 days (SD: ± 61 days).
1A Q2 was followed by [[1A Visit 2]] after, on average, 7 days (SD: ± 25 days).\\
1A Q2 is procedurally equivalent to [[2A Questionnaire 2]] and [[3A Questionnaire 2]].\\
There were, on average, 45 months (SD: ± 14 months) between 1A Q2 and [[2A Questionnaire 2]]. 

All questionnaires were filled in on paper:
  * 18-64 years old: n = ~134,000
  * 65+ years old: n = ~10,000
 
1A Q2 contained the following [[sections]] and subsections:

==== Demographics ====
  * [[Personal data]]

==== Diseases & symptoms ====
  * [[Oral cavity conditions]]
  
==== Elderly ====  
//NB: Only elderly participants (65+) were asked these questions//
  * [[Self-assessment (Intermed)]]

==== Lifestyle & Environment ====  
  * [[Electronic device use]]
  * [[Exposure to smoking]]
  * [[Hobbies & activities]]
  * [[Home environment (general)]]
  * [[Informal care]]
  * [[Pets & livestock]]
  * [[Physical activity (SQUASH)]] (also see: [[SQUASH Sum scores]])
  * [[Sleep (general)]]
  * [[Smoking & tobacco use]]
  * [[Volunteer work (general)]]

==== Mental Health ==== 
  * [[Personality (NEO)]]
  * [[Social functioning (general)]]
  * [[Stress (LDI)]]
  * [[Stress (LTE)]]

==== Nutrition ==== 
  * [[FFQ|Food items (FFQ-h)]] (also see: [[FFQ Sum scores]])

==== Physical State ====
  * [[Anthropometry (self-reported)]]

==== Reproduction & Development ====
  * [[Birth (of participant)]]
  * [[Contraception]]
  * [[Gynecological surgery]]
  * [[Menstruation]]
  * [[Pregnancy outcomes]] 

==== Wellbeing & Subjective health ====
  * [[Emotional Affect (PANAS)]]
  * [[Life satisfaction (general)]]
  * [[Values, beliefs, priorities]]