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====== Sleep reduction (CSRQ) ======

In an additional assessment on blue light exposure and sleep quality in underage participants ([[BLUQ]]), the ‘loss of energy’ and ‘sleepiness’ scales of the Chronic Sleep Reduction Questionnaire ([[sections|section]]: [[Children & adolescents]]) were used to assess sleep loss((DeWald et al. (2012). The Chronic Sleep Reduction Questionnaire (CSRQ): a cross‐cultural comparison and validation in Dutch and Australian adolescents. Journal of Sleep Research 21(5): 584-594)).\\
Furthermore, general questions on [[Sleep (<18)|sleep]] were also asked to underage participants.\\
\\
===== Variables =====
| **Label English**                                                                                                       | **Label Dutch**                                                                                 | **Code**                 | **Variable**  | **Assessment**  | **Age**  |
| does your child feel well rested at school? (in the past 4 weeks)                                                       | Wanneer uw kind op school is, voelt hij/zij zich dan uitgeslapen?                               | csrq_rested_chi_q_02     | CHSLEEP50A    | [[BLUQ]]        | 8-12     |
| does your child have enough energy during the day to do everything? (in the past 4 weeks)                               | Heeft uw kind gedurende de dag genoeg energie om overal aan mee te doen?                        | csrq_energy_chi_q_11     | CHSLEEP50B    | [[BLUQ]]        | 8-12     |
| it happens that your child does not feel like going to school because your child feels too tired (in the past 4 weeks)  | Het gebeurt dat uw kind geen zin heeft om naar school te gaan, omdat uw kind zich te moe voelt  | csrq_tired_chi_q_15      | CHSLEEP50C    | [[BLUQ]]        | 8-12     |
| your child is active during the day (in the past 4 weeks)                                                               | Uw kind is actief overdag                                                                       | csrq_active_chi_q_12     | CHSLEEP50D    | [[BLUQ]]        | 8-12     |
| your child feels very alert at school (in the past 4 weeks)                                                             | Op school voelt uw kind zich klaarwakker                                                        | csrq_alert_chi_q_16      | CHSLEEP50E    | [[BLUQ]]        | 8-12     |
| does your child feel sleepy during the day? (in the past 4 weeks)                                                       | Voelt uw kind zich overdag slaperig?                                                            | csrq_sleepy_chi_q_03     | CHSLEEP50F    | [[BLUQ]]        | 8-12     |
| your child has to struggle to stay awake in the class (in the past 4 weeks)                                             | Uw kind moet zijn/haar best doen om wakker te blijven als hij/zij in de klas zit                | csrq_stayawake_chi_q_13  | CHSLEEP50G    | [[BLUQ]]        | 8-12     |
| does your child often yawn throughout the day? (in the past 4 weeks)                                                    | Moet uw kind vaak gapen overdag?                                                                | csrq_yawn_chi_q_04       | CHSLEEP50H    | [[BLUQ]]        | 8-12     |
| my child has trouble keeping his/her eyes open when he/she is at school for a while (in the past 4 weeks)               | Mijn kind heeft moeite om zijn/haar ogen open te houden als hij/zij een tijd op school zit      | csrq_eyesopen_chi_q_08   | CHSLEEP50I    | [[BLUQ]]        | 8-12     |
| do you feel well rested at school? (in the past 4 weeks)                                                                | Wanneer je op school bent, voel je je dan uitgeslapen?                                          | csrq_rested_ach_q_02     | ACHSLEEP38A   | [[BLUQ]]        | 13-17    |
| do you have enough energy during the day to do everything? (in the past 4 weeks)                                        | Heb je gedurende de dag genoeg energie om overal aan mee te doen?                               | csrq_energy_ach_q_11     | ACHSLEEP38B   | [[BLUQ]]        | 13-17    |
| it happens that i do not feel like going to school because i feel too tired (in the past 4 weeks)                       | Het gebeurt dat ik geen zin heb om naar school te gaan, omdat ik me te moe voel                 | csrq_tired_ach_q_15      | ACHSLEEP38C   | [[BLUQ]]        | 13-17    |
| i am active during the day (in the past 4 weeks)                                                                        | Ik ben actief overdag                                                                           | csrq_active_ach_q_12     | ACHSLEEP38D   | [[BLUQ]]        | 13-17    |
| i feel very alert at school (in the past 4 weeks)                                                                       | Op school voel ik me klaarwakker                                                                | csrq_alert_ach_q_16      | ACHSLEEP38E   | [[BLUQ]]        | 13-17    |
| does you feel sleepy during the day? (in the past 4 weeks)                                                              | Voel je je overdag slaperig?                                                                    | csrq_sleepy_ach_q_03     | ACHSLEEP38F   | [[BLUQ]]        | 13-17    |
| i have to struggle to stay awake in the class (in the past 4 weeks)                                                     | Ik moet mijn best doen om wakker te blijven als ik in de klas zit                               | csrq_stayawake_ach_q_13  | ACHSLEEP38G   | [[BLUQ]]        | 13-17    |
| do you often yawn throughout the day? (in the past 4 weeks)                                                             | Moet je vaak gapen overdag?                                                                     | csrq_yawn_ach_q_04       | ACHSLEEP38H   | [[BLUQ]]        | 13-17    |
| i have trouble keeping my eyes open when i am at school for a while (in the past 4 weeks)                               | Ik heb moeite om mijn ogen open te houden als ik een tijd op school zit                         | csrq_eyesopen_ach_q_08   | ACHSLEEP38I   | [[BLUQ]]        | 13-17    |