Table 1 Sample characteristics

n

116

Gender, n (%) female

77 (66.4)

Age in years when questionnaire data completed, mean (S.D.)

11.9 (2.2)

JIA course, n (%)

  systemic

14 (12.1)

  oligoarticular

11 (9.5)

  polyarticular

91 (78.4)

Disease duration in years, mean (S.D.)

5.5 (3.4)

Current disease severity, median, range, (IQR)

 Number of active joints (data for n = 111)

 0, 0-10, 0-2

 Number of limited joints (data for n = 108)

1, 0–32, (0–3)

Duration of MTX use in years, median (IQR)

2 (1–5)

MTX current route

  Oral, n (%)

53 (45.7)

  Subcutaneous, n (%)

63 (54.3)

Current MTX dose in mg/m²/week, median (IQR)

15 (12.5 – 20.0)