Table 2 Swimming skills and general demographics of study participants (*significant difference, **adult patients older than 18 years were matched with other adults)
Patients | Controls | p | |
|---|---|---|---|
male (n) | 51 | ||
female (n) | 32 | ||
Mean age (years) (standard deviation, minimum–maximum)** | 13.4 (5.9, 6–25) | 12.8 (5.0, 6–24) | |
Mean age PSK-K (years) (standard deviation, minimum–maximum) | 8.9 (2.0, 6–12) | 8.9 (2.0, 6–12) | |
Mean age PSK (years) (standard deviation, minimum–maximum)** | 19.3 (3.5, 13–25) | 17.9 (2.7, 13–24) | |
Swimming skills | |||
enjoy swimming | 89.2% | 91.6% | 0.60 |
participated in learn-to-swim course | 78.3% | 62.7% | 0.03* |
mean age being able to swim (95%-CI) | 6.5 (6.1–6.9) | 6.4 (6.1–6.8) | |
non-swimmers | 25.3% | 20.5% | 0.46 |
basic swimming skills | 54.2% | 50.6% | 0.88 |
advanced swimming skills | 20.5% | 28.9% | 0.21 |
Higher education parents | |||
no | 55.4% | 67.5% | < 0.05* |
one parent | 31.3% | 24.1% | |
both parents | 13.3% | 8.4% | |
Migration background | |||
patient | 6.0% | 3.6% | 0.47 |
one parent | 12.0% | 6.0% | < 0.05* |
both parents | 6.0% | 6.0% | |