Table 1 Characteristics of the study populations
From: Physical fitness of children and youth with asthma in comparison to the reference population
Variables | Wave 1 (2009–2012) | Wave 2 (2014–2017) | ||
|---|---|---|---|---|
Individuals with asthma (n = 163) | Reference population (n = 3308) | Individuals with asthma (n = 190) | Reference population (n = 4070) | |
Male (%) | female (%) | 59 | 41 | 49 | 51 | 53 | 47 | 49 | 51 |
Age (mean ± SD) | 13.6 ± 4.7 | 13.3 ± 4.4 | 14.5 ± 4.9 | 14.4 ± 4.8 |
Socioeconomic status (SES*) | ||||
Low (%) | 7.2 | 8.3 | 7.5 | 8.5 |
Intermediate (%) | 65.6 | 65.3 | 68.1 | 64.4 |
High (%) | 27.2 | 26.4 | 24.4 | 27.1 |
BMI (kg/m2) (mean ± SD) | 19.9 ± 4.2 | 19.7 ± 4.2 | 20.9 ± 4.8 | 20.2 ± 4.2 |
Weight status** | ||||
Underweight (%) | 5.5 | 6.9 | 4.9 | 7.4 |
Normal weight (%) | 80.4 | 78.8 | 76.1 | 76.7 |
Overweight (%) | 7.4 | 8.2 | 9.8 | 10.0 |
Obese (%) | 6.7 | 6.0 | 9.2 | 5.9 |
General health status*** | ||||
Very good/good (%) | 84.8 | 90.6 | 80.6 | 91.2 |
Fair/poor/very poor (%) | 15.2 | 9.4 | 19.4 | 8.8 |