Table 4.

GP Characteristics and Results From the Univariate Analyses

GP CharacteristicsGPs Prescribing Asthma Medication Average and Below Average (n = 58)aGPs Prescribing Asthma Medication Above Average (n = 51)aOR (95% CI)
CI = confidence interval GP = general practitioner; FTE = full-time equivalent; OR = odds ratio.
a To display the GP characteristics, we divided the GPs into 2 groups: those who prescribed asthma medicaton to the average percentage of children or less, and those who prescribed above average (which, on the GP level, is 7.4%) within their childhood patient population.
b As classified by Statistics Netherlands on a 5-point scale, in which 1 = high level of urbanizaton and 5 = low urbanization.
c Full-time or part-time working in number of FTEs.
d Authorized or required by the Health Authority to provide pharmaceutical services to his/her patients.
e Total number of patients divided by the number of FTEs per 1,000 patients.
f Average number of prescriptions issued per patient during 1 year.
g Significant values P<.05.
h GPs with 25% or more of their total patient population of children aged 0–17 years.
Mean age (SD; range), y47.6 (5.7; 36–59)46.2 (6.2; 33–56)1.00 (0.99–1.01)
Sex, male, No. (%)50 (86.2)37 (72.6)0.83 (0.69–1.00)
Practice type, solo, No. (%)27 (46.6)20 (39.2)0.88 (0.75–1.02)
Urban practice location, mean (SD; range)b2.8 (1.4;1–5)3.1 (1.0;1–5)1.03 (0.98–1.10)
Mean FTE (SD; range)c0.91 (0.15; 0.5–1.0)0.88 (0.17; 0.5–1.0)0.79 (0.48–1.28)
Dispensing doctor, No. (%)d5 (8.6)3 (5.9)0.97 (0.73–1.29)
Workload, mean (SD; range)e2.8 (0.7;1.4–5.5)2.6 (0.6;1.3–4.8)0.89 (0.80–1.00)
Prescribing volume, mean (SD; range)f1.5 (0.5; 0.05–2.7)1.8 (0.5; 0.9–3.2)1.55g (1.38–1.75)
≥25% of patients 0–17 y, No. (%)h15 (25.9)6 (11.8)0.77g (0.64–0.93)
Children with an asthma diagnosis, % (SD; range)3.5 (1.4; 0.8–7.3)5.4 (2.1; 1.9–11.6)1.10g (1.07–1.14)