Table 2.

Demographic and socioeconomic characteristics of table tennis practice according to the model estimates.

Variable		Odds Ratio	Standard Error	p-Value	95% Confidence Interval
Gender	Male	2.189	0.005	<0.001	2.179	2.198
	Female	ref.
Age	age	1.079	0.000	<0.001	1.078	1.079
	age squared	0.999	0.000	<0.001	0.999	0.999
place of residence	urban, >500 K	1.995	0.007	<0.001	1.982	2.008
	urban, 200–499 K	1.766	0.006	<0.001	1.754	1.778
	urban, 100–199 K	0.881	0.004	<0.001	0.873	0.889
	urban, 20–99 K	0.996	0.003	0.195	0.990	1.002
	urban, <20 K	1.034	0.004	<0.001	1.027	1.042
	rural	ref.
income per capita	log income per capita (PLN)	1.196	0.003	<0.001	1.191	1.201
subjective financial situation	can afford some luxury	3.026	0.041	<0.001	2.947	3.106
	can afford anything w/o thrift	2.436	0.029	<0.001	2.381	2.494
	must save for big purchases	2.544	0.029	<0.001	2.487	2.601
	must economize a lot	2.155	0.025	<0.001	2.108	2.204
	cannot afford basic necessities	ref.
studying	yes	2.876	0.009	<0.001	2.857	2.894
	no	ref.
# children in household	0	ref.
	1	1.225	0.003	<0.001	1.218	1.231
	2	1.116	0.003	<0.001	1.110	1.123
	3+	2.392	0.010	<0.001	2.373	2.411
constant		0.001	0.000	<0.001	0.001	0.001

Notes: n = 5414, due to refusals. Ref.—reference category, K—thousand, #—number. Post-estimation classification: correctly classified 62.91%. Wald test of parameter significance: p-value < 0.001.