====== Follow-up Questionnaire 1B ======


Adult and elderly Lifelines participants participating in [[general assessments|general assessment]] [[1A]] (“Baseline”) received two follow-up questionnaires, 1B and [[1C]].\\
1B was sent out on average 12 months (median: 15 months) after [[1A Questionnaire 2]].\\
1B was followed by [[1C]] after on average 11 months (median: 12 months).\\

Of all participants that filled out 1B (n = ~125,000), 95% of participants filled in a paper variant whereas 5% filled in a digital variant.

1B contained the following [[sections]] and subsections:

==== Demographics ====
  * [[Education]]
  * [[Family composition]]
  * [[Family deaths]]
  * [[Household composition]]
  * [[Nationality & ethnicity]]
  * [[Personal data]]
  * [[Profession]]
  * [[Occupational history]]
  * [[Employment status]]

==== Diseases & symptoms ====
  * [[Cancer]]
  * [[Cardiovascular diseases]]
  * [[Diabetes]]
  * [[Digestive system diseases]]
  * [[Diseases (other)]]
  * [[Ear conditions]]
  * [[Fatigue (general)]]
  * [[Kidney & bladder diseases]]
  * [[Mental illnesses]]
  * [[Musculoskeletal conditions]]
  * [[Neurological disorders]]
  * [[Ostheoarthritis (WOMAC)]]
  * [[Respiratory diseases]]
  * [[Symptoms (SCL-90)]]
  * [[Upper extremities (UEFS)]]

==== Elderly ====  
//NB: Only elderly participants (65+) were asked these questions//
  * [[Frailty (GFI)]]
  * [[Independence]]
  * [[Living situation]]
  * [[Self-assessment (Intermed)]]

==== Family health ====  
  * [[Familial cancer]]
  * [[Familial cardiovascular disease]]
  * [[Familial chronic fatigue syndrome]]
  * [[Familial diabetes]]
  * [[Familial digestive diseases]]
  * [[Familial kidney diseases]]
  * [[Familial mental illness]]
  * [[Familial musculoskeletal diseases]]
  * [[Familial neurological diseases]]
  * [[Familial respiratory diseases]]

==== Lifestyle & Environment ====  
  * [[Home environment (general)]]
  * [[Mobile phone use (MOB)]]
  * [[Physical activity (SQUASH)]] - 1 general question
  * [[Physical activity (general)]]
  * [[Sleep quality (PSQI)]]
  * [[Chronotype (MCTQ)]]
  * [[Smoking & tobacco use]]

==== Medical Treatment ====  
  * [[Hospitalization]]
  * [[Medication]]
  * [[Surgery]]
  * [[Treatment (general)]]

==== Mental Health ====
  * [[Social functioning (SPF-IL)]]
  * [[Stress (LDI)]]
  * [[Stress (LTE)]]

==== Nutrition ====
//NB: The three FFQ petals (1/2/3) were distributed over three questionnaires (1B, [[1C]] and [[2A Questionnaire 1]]), so that each participant received the petals in one of six possible orders ([1-2-3], [1-3-2], [2-1-3], [2-3-1], [3-1-2], or [3-2-1]).// 
  * [[FFQ|Macronutrients (FFQ-h)]]
  * [[FFQ|Petal 1 (FFQ1)]]
  * [[FFQ|Petal 2 (FFQ2)]]
  * [[FFQ|Petal 3 (FFQ3)]]   

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

==== Reproduction & Development ====
  * [[Birth (of participant)]]

==== Wellbeing & Subjective Health ====
  * [[Life satisfaction (general)]]
  * [[Quality of Life (RAND)]]
  * [[Values, beliefs, priorities]]