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Table 1 Baseline characteristics of participants

From: Adherence to treatment in children and adolescents with cystic fibrosis: a cross-sectional, multi-method study investigating the influence of beliefs about treatment and parental depressive symptoms

Child characteristics Participants
Age of child (years) n = 100
Median (range) 10.1 (0.2-18.6)
Gender n = 100
% male 44
Ethnicity n = 100
% Caucasian 100
FEV 1 % predicted (in children over 6 years) n = 71
FEV1 ≥ 70% (mild disease) 57 (80.3%)
FEV1 40-69% (moderate disease) 11 (15.5%)
FEV1 ≤ 39% (severe disease) 3 (4.2%)
Mean FEV1% predicted (±95% C.I.) 84% (±4.54)
BMI percentile (children <18 years) n = 98
<15th percentile 10 (10.2%)
≥15th percentile 88 (89.8%)
BMI (≥18 years) n = 2
≥18.5 ≤ 25 2 (100%)
Swachman-Kulczycki radiological score/25  
Median (IQR) 22 (20-23)
Colonisation status n = 100
B.cepacia 5 (5% chronic)
Methicillin-resistant Staphylococcus aureus (MRSA) 7 (7% chronic)
P.aeruginosa 3 (3% intermittent)
  12 (12% chronic)
Days in hospital over the previous year n = 100
Median (IQR) 0 (0-1.75)
Number of medications currently prescribed n = 100
Median (IQR) 6 (4-8)
Enzyme supplement prescribed [n = %] 81 (81%)
Vitamins prescribed [n = %] 98 (98%)
Chest physiotherapy prescribed [n = %] 99 (99%)
Other medical diagnosis  
No 84 (84%)
Yes 16 (16%)
  1. P.aeruginosa classified as chronic using the Leeds criteria. FEV1 forced expiratory volume in 1 s; BMI body mass index; IQR inter-quartile range.