====== Familial chronic fatigue syndrome ======

Not only the health of participants, but also their family history of diseases ([[sections|section]]: [[Family health]]).\\
Note that in this case, "children" may or may not be Lifelines participants, as opposed to the questions regarding the health of child participants as answered by their parents in [[1A General questionnaire]].

| **Questions English**                                                                                                                                                             | **Questions Dutch**                                                                                                                                                                 | **Code**              | **Variable**  | **Assessment**  | **Age**  |
| chronic fatigue syndrome (cfs/me) (number of children) / do/did your biological child(ren) have any of the following conditions?                                                  | chronisch vermoeidheidssyndroom (cvs/ me) (aantal kinderen) / hebben uw biologische kinderen de volgende aandoeningen (gehad)?                                                      | cfs_children_fam_q_1  | child8i       | [[1B]]          | 18+      |
| chronic fatigue syndrome (cfs/me) (father) / do/did your biological father or mother have any of the following conditions?                                                        | chronisch vermoeidheidssyndroom (cvs/ me) (vader) / heeft uw biologische vader of moeder de volgende aandoeningen (gehad)?                                                          | cfs_father_fam_q_1    | father8i      | [[1B]]          | 18+      |
| chronic fatigue syndrome (cfs/me) (mother) / do/did your biological father or mother have any of the following conditions?                                                        | chronisch vermoeidheidssyndroom (cvs/ me) (moeder) / heeft uw biologische vader of moeder de volgende aandoeningen (gehad)?                                                         | cfs_mother_fam_q_1    | mother8i      | [[1B]]          | 18+      |
| chronic fatigue syndrome (cfs/me) (number of (half)siblings) / do/did your biological brothers, sisters, half-brothers and/or half-sisters have any of the following conditions?  | chronisch vermoeidheidssyndroom (cvs/me) (aantal (half)broers/(half)zusters) / hebben uw biologische broers, zussen, halfbroers en/of halfzussen de volgende aandoeningen (gehad)?  | cfs_siblings_fam_q_1  | sib8i         | [[1B]]          | 18+      |