Table 5 Multiple regression results for demographic characteristics on swimming ability (n = 893)

Model	Coefficients					95% CI
Model	r	b	SE	B	t	Lower	Upper
Age group	0.273†	0.815	0.083	0.325	9.814†	0.652	0.978
Race	−0.228†	−0.732	0.099	−0.246	−7.398†	−0.926	−0.538
Parent’s education 2	−0.181†	−0.391	0.101	−0.154	−3.871†	−0.589	−0.193
Parent’s education 1	0.045	−0.388	0.124	−0.127	−3.127*	−0.631	−0.144
Lunch programme	0.158†	0.183	0.085	0.072	2.149*	0.016	0.349
Sex	−0.061*	−0.130	0.076	−0.052	−1.704	−0.279	0.020

F_(6,886) = 32.79.†
R² = 0.182.
*p<0.05; †p<0.001.