Skip to main content

Table 1 Baseline subject characteristics

From: Vitamin D intervention in preschoolers with viral-induced asthma (DIVA): a pilot randomised controlled trial

Characteristics Intervention (N = 11) Control (N = 11)
Age (years) 2.2 (1.9, 3.5) 3.1 (2.1, 3.9)
Male gender 4 (36.4 %) 3 (27.3 %)
Caucasian ethnicity* 5 (45.5 %) 8 (72.7 %)
Asthma control (Asthma Quiz for Kidz [20]), score 1.00 (0.00, 3.00) 4.00 (0.00, 6.00)
Asthma classification: Persistent 5 (45.5 %) 8 (72.7 %)
         Episodic 6 (54.5 %) 3 (27.3 %)
Trigger of asthma:  Multitrigger 3 (27.3 %) 4 (36.4 %)
         Unitrigger 8 (72.7 %) 7 (63.6 %)
Eczema 8 (72.7 %) 2 (18.2 %)
Daycare attendance 9 (81.8 %) 11 (100 %)
Parent-reported URTIs in the past 12 months, number 6.0 (5.0, 12.0) 5.0 (4.0, 10.0)
Oral corticosteroid courses in the past 12 months, number 2.0 (1.0, 3.0) 2.0 (1.0, 3.0)
 Influenza vaccine received 5 (45.5 %) 5 (45.5 %)
Preventer asthma medication: Episodic ICS 2 (18.2 %) 2 (18.2 %)
Daily ICS ± anti-leukotrienes 8 (72.7 %) 9 (81.8 %)
  1. Results are reported as median (25 %, 75 %) or n (%)
  2. URTI upper respiratory tract infection, ICS, inhaled corticosteroid
  3. *Other ethnicities: Maghreb (9.1 %), Mixed (9.1 %), Latino (9.1 %), Arab (9.1 %), Asian (4.5 %)