Table 4

Factors associated with adequate preventer medication use among the community-based sample of current asthma participants (n = 351)

Inadequate preventer users(n = 259)Adequate preventer users(n = 92)Unadjusted odds ratio for adequate preventer medication useAdjusted odds ratio for adequate preventer medication use*
N (%)N (%)OR (95% CI)p ValueOR (95% CI)p Value
Female gender154 (59.5%)51 (55.4%)0.85 (0.52 to 1.37)0.5011.08 (0.61 to 1.89)0.801
Early-onset asthma patients118 (45.6%)56 (60.9%)1.86 (1.14 to 3.02)0.0121.35 (0.77 to 2.39)0.299
Smoking status
    Never109 (42.1%)44 (47.8%)1.001.00
    Past72 (27.8%)24 (26.1%)0.83 (0.46 to 1.47)0.5170.76 (0.40 to 1.44)0.396
    Current78 (30.1%)24 (26.1%)0.76 (0.43 to 1.36)0.3560.94 (0.49 to 1.80)0.836
Parents and/or siblings with asthma148 (57.1%)64 (69.6%)1.71 (1.03 to 2.85)0.0371.90 (1.09 to 3.32)0.025
Any allergies reported206 (79.50%)79 (85.90%)1.56 (0.81 to 3.02)0.1841.45 (0.70 to 3.02)0.349
Body mass index
    Normal111 (42.9%)31 (33.7%)1.001.00
    Overweight83 (32.0%)37 (40.2%)1.60 (0.92 to 2.78)0.0991.68 (0.89 to 3.16)0.124
    Obese65 (25.1%)24 (26.1%)1.32 (0.72 to 2.44)0.3731.34 (0.68 to 2.66)0.389
GP/emergency/hospital admission last year10 (3.9%)15 (16.3%)4.85 (2.09 to 11.24)<0.0015.04 (1.94 to 13.07)0.001
Ever admitted to hospital for asthma41 (15.8%)34 (37.0%)3.12 (1.82 to 5.34)<0.0012.92 (1.60 to 5.33)0.001
Asthma severity last year
    Mild persistent70 (27.0%)28 (30.4%)1.001.00
    Moderate persistent76 (29.3%)16 (17.4%)0.53 (0.26 to 1.05)0.0700.43 (0.20 to 0.91)0.027
    Severe persistent43 (16.6%)15 (16.3%)0.87 (0.42 to 1.82)0.7140.52 (0.22 to 1.20)0.123
    Intermittent70 (27.0%)33 (35.9%)1.18 (0.65 to 2.15)0.5931.06 (0.55 to 2.05)0.868
  • *Adjusted for gender, onset of asthma, smoking status, family history of asthma, other allergies, body mass index, utilisation of healthcare services last year, hospital admission for asthma ever and persistent asthma disease severity.