Lowe 2016.

Methods	Study design: cross‐sectional study (part of mixed‐methods study, quantitative part is questionnaire survey) Instrument used to assess fatigue: POMS Fatigue subscale Validated questionnaire: yes Cut‐off score or criterion for severe fatigue: NAa Time points at which outcome data were collected: NA, cross‐sectional study Inclusion criteria: diagnosed with cancer before age 18, being between 18 and 34 years oldb Exclusion criteria: nm
Participants	Sample characteristics: N of participants original cohort: unknown; N of participants described study group: 104; N of participants study group of interest: 104; N of participants fatigue assessed: 104 Participant characteristics: Tumour type: HL n = 24, NHL n = 9, Burkitts lymphoma n = 4, ALL n = 17, AML n = 3, blastoma n = 6, sarcoma n = 11, thyroid cancer n = 10, other n = 20 Tumour stage: nm Age at diagnosis: nm Time since diagnosis: mean 8.42 years (SD 5.73) Age at assessment: mean 22.13 (SD 3.18) F/M: 51/53 BMI: nm Race: White n = 82, black n = 21, other n = 1 Ethnicity: Hispanic or Latino n = 5, not Hispanic or Latino n = 99 Marital status: married/living with partner n = 19, other n = 85 Highest completed education level: nm Employment: employed n = 35, student n = 52, other n = 16c Physical activity level: ≥ 5 days of aerobic PA a week n = 52, ≥ 2 days of strength training a week n = 31 Sleeping problems: nm Psychosocial problems: POMS depression mean 4.36 (SD 5.05) Comorbidities: nm Genetic factors/mutations: nm
Interventions	N of participants chemotherapy: 86 N of participants surgery: 81 N of participants radiotherapy: 58
Outcomes	Severe fatigue: N of participants with severe fatigue: NDa Risk and associated factors: no analysis performed with fatigue as outcome
Notes	Funding sources: Supported by the Georgia Cancer Coalition (PI: Berg), the National Cancer Institute (PI: Berg; 5K07CA139114), the Emory Egleston Children’s Research Center (PI: Esiashvili), and the Winship Cancer Institute Kennedy Survivorship Award (PI: Berg) Declaration of interest: The authors declare that they have no competing interests. aAuthors report fatigue on continuous scale. Additional information on severe fatigue was requested and not available. bStudy author confirmed that the study population had no evidence of disease at time of the study c Numbers do not add up to total N of described study group. Unclear what correct numbers were.