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Table 2 Demographic and health characteristics

From: Parents and adolescents preferences for asthma control: a best-worst scaling choice experiment using an orthogonal main effects design

Characteristic Parents (n = 50) Adolescents (n = 54) P-value
n % n %
Child’s age (years), mean (SD) 7.6 (2.5) 13.5 (1.2) <0.0001
Child of male sex 32 64.0 36 66.7 0.84
Parents born in Canada 27 54.0 31 57.4 0.84
Parental education 0.0255
  University or college degree/diploma 38 76.0 31 57.4  
  Some university or college 7 14.0 8 14.8  
  Completed high school or less 5 10.0 15 27.8  
Family has a drug benefits plan 41 82.0 42 77.8 0.59
Annual household income ($ CDN) 0.43
  Less than $60,000 11 22.0 19 35.2  
  $60,000 to $120,000 17 34.0 16 29.6  
  Greater than $120,000 15 30.0 6 11.1  
  Not sure or prefer not to respond 7 14.0 13 24.1  
Asthma attacks in last 6 months, mean (SD) 2.6 (3.7) 1.8 (3.6) 0.29
History of other respiratory conditions
  Respiratory syncytial virus 8 16.0 1 1.9 0.0134
  Croup 15 30.0 5 9.3 0.0116
Symptom frequency in the last month 0.99
  None 13 26.0 16 29.6  
  One to two times per month 14 28.0 15 27.8  
  One to three times per week 14 28.0 15 27.8  
  One to four times per day 7 14.0 7 13.0  
  Other or missing 2 4.0 1 1.9  
Night-time asthma symptoms in last month 31 62.0 26 48.1 0.20
≥1 family doctor visit in last 6 months 18 36.0 11 20.4 0.19
≥1 pediatrician visit in last 6 months 13 26.0 9 16.7 0.55
≥1 respiratory specialist visit in last 6 months 35 70.0 36 66.7 0.39
≥1 emergency room visit in last year 13 26.0 16 29.6 0.21
≥1 hospital admission in last year 3 6.0 7 13.0 0.18
Received asthma management or action plan 35 70.0 40 74.1 0.79
Exposed to second-hand smoke in public 6 12.0 10 18.5 0.42
Asthma medications used in last year 0.35
  BD monotherapy 2 4.0 4 7.4  
  ICS monotherapy 4 8.0 1 1.9  
  BD + ICS or BD + AL 25 50.0 33 61.1  
  BD + ICS + AL 16 32.0 12 22.2  
  Oral corticosteroid with or without other asthma medication 2 4.0 4 7.4  
  Other 1 2.0 0 0.0  
  1. Abbreviations: AL anti-leukotriene, BD bronchodilator, ICS inhaled corticosteroid, SD standard deviation. P value from t-test for continuous variables and Fishers Exact test for categorical variables. Significant results indicated in bold type