Lifelines participants were asked the following questions about their person (section: Children & Adolescents). Note that Lifelines also receives regular updates on the personal data of participants from the BRP.
| Questions English | Questions Dutch | Code | Variable | Assessment | Age |
| questionnaire filled in by | vragenlijst ingevuld door | parent_questionnaire_chi_q_1 | chfillin | 1A | 4-17 |
| specification other / questionnaire filled in by: | specificatie anders, nl / vragenlijst ingevuld door | parent_questionnaire_chi_q_1_a | chfilltxt | 1A | 4-17 |
| biological mother / who is completing this questionnaire? | biologische moeder / vragenlijst ingevuld door | parent_questionnaire_chi_q_2_a | chfillin2a | 2A 3A | 4-17 |
| biological father / who is completing this questionnaire? | biologische vader / vragenlijst ingevuld door | parent_questionnaire_chi_q_2_b | chfillin2b | 2A 3A | 4-17 |
| adoptive mother/stepmother/foster mother / who is completing this questionnaire? | adoptie-/stief-/pleegmoeder / vragenlijst ingevuld door | parent_questionnaire_chi_q_2_c | chfillin2c | 2A 3A | 4-17 |
| adoptive father/stepfather/foster father / who is completing this questionnaire? | adoptie-/stief-/pleegvader / vragenlijst ingevuld door | parent_questionnaire_chi_q_2_d | chfillin2d | 2A 3A | 4-17 |
| other person / who is completing this questionnaire? | anders, nl. / vragenlijst ingevuld door | parent_questionnaire_chi_q_2_e | chfillin2e | 2A 3A | 4-17 |
| specification other person: / who is completing this questionnaire? | specificatie anders / vragenlijst ingevuld door | parent_questionnaire_chi_q_2_e1 | chfillin2etxt | 2A 3A | 4-17 |
| Questions English | Questions Dutch | Code | Variable | Assessment | Age |
| did anyone help you fill in this questionnaire? | heeft iemand je geholpen bij het invullen van deze vragenlijst? | help_questionnaire_ach_1 | achquest5 | 2A 3A | 13-17 |
| how were you helped? | waaruit bestond de hulp? | help_questionnaire_ach_1_a | achquest5a | 2A 3A | 13-17 |
| why did you have this help? | wat is de reden dat je deze hulp hebt gehad? | help_questionnaire_ach_1_b | achquest5b | 2A 3A | 13-17 |
| Questions English | Questions Dutch | Code | Variable | Assessment | Age |
| did you fill in this questionnaire together with your child? | hebt u deze vragenlijst samen met uw kind ingevuld? | help_bluq_chi_q_1 | chquest7 | BLUQ | 8-12 |
| specification other: / did you fill in this questionnaire together with your child? | specificatie anders, nl. / hebt u deze vragenlijst samen met uw kind ingevuld? | help_bluq_chi_q_1_a | chquest7txt | BLUQ | 8-12 |
| did someone help you fill in this questionnaire? | heeft iemand je geholpen met het invullen van de vragenlijst? | help_bluq_ach_q_1 | achquest6 | BLUQ | 13-17 |
| specification other: / did someone help you fill in this questionnaire? | specificatie anders, nl. / heeft iemand je geholpen met het invullen van de vragenlijst? | help_bluq_ach_q_1_a | achquest6txt | BLUQ | 13-17 |