Table 3

Adherence (% days with PIFTBH recordings), inhaler competence (number of inhalations with PIFTBH >40 l/min) and true adherence (adherence multiplied with inhaler competence×100) as mean percentage (SD) by age group and sex

PeriodAge group (years), gendernAdherenceInhaler competenceTrue adherence
First 45 days, morning5–65485.9 (13.4)91.3 (13.9)78.5 (17.7)
7–84286.2 (15.0)94.2 (15.5)81.2 (20.0)
9–101979.1 (19.5)98.7 (1.9)78.1 (19.6)
Boys7183.1 (16.9)94.3 (11.9)78.3 (19.4)
Girls4487.7 (11.7)92.5 (16.0)81.2 (17.7)
First 45 days, evening5–65488.4 (13.6)93.3 (12.7)82.6 (17.3)
7–84289.2 (15.7)95.8 (14.2)85.5 (20.4)
9–101983.5 (20.6)97.6 (4.3)82.1 (21.4)
Boys7185.9 (17.5)94.9 (11.0)81.8 (20.1)
Girls4491.2 (11.7)94.8 (14.4)86.4 (16.9)
Last 45 days, morning5–65466.9 (25.6)94.8 (18.0)63.6 (26.3)
7–84252.7 (25.5)96.6 (14.4)51.4 (26.2)
9–101944.9 (27.9)98.0 (5.9)44.0 (27.7)
Boys7157.4 (28.4)96.4 (15.7)55.4 (28.5)
Girls4458.9 (25.3)95.3 (15.0)56.7 (25.7)
Last 45 days, evening5–65469.4 (24.4)95.4 (17.3)66.9 (25.1)
7–84262.0 (20.9)96.1 (15.5)60.5 (22.3)
9–101952.6 (24.4)97.4 (7.6)51.8 (25.3)
Boys7164.1 (24.3)96.2 (15.5)62.0 (25.2)
Girls4463.7 (23.1)95.8 (15.4)61.7 (23.7)