Table 3. Physical activity and socio-economic status of single Wrocław residents.

Variable	Model 1 OR [95% CI]	Model 2 aOR [95% CI]a	Model 3 aOR [95% CI]b	Model 4 aOR [95% CI]c
Job	AUC = 0.573	AUC = 0.593	AUC = 0.607	AUC = 0.624
Unemployed	1.08 [0.73–1.58]	1.07 [0.72–1.57]	0.71 [0.47–1.08]	0.84 [0.52–1.36]
Labourer	0.60*** [0.44–0.80]	0.53*** [0.39–0.72]	0.59** [0.42–0.84]	0.87 [0.56–1.34]
White collar worker	0.56*** [0.41–0.75]	0.53*** [0.40–0.72]	0.57** [0.39–0.84]	0.61* [0.39–0.96]
Businessman	0.56* [0.35–0.90]	0.44** [0.27–0.73]	0.40** [0.22–0.72]	0.41* [0.20–0.86]
Student	1.00	1.00	1.00	1.00
Steady income	AUC = 0.535	AUC = 0.554	AUC = 0.595	AUC = 0.622
Yes	0.69** [0.54–0.89]	0.68** [0.53–0.87]	0.77 [0.59–1.01]	0.78 [0.60–1.02]
No	1.00	1.00	1.00	1.00
Per capita income	AUC = 0.517	AUC = 0.537	AUC = 0.589	AUC = 0.618
<260 USD	1.19 [0.94–1.50]	1.21 [0.96–1.54]	1.05 [0.82–1.34]	0.98 [0.76–1.26]
≥260 USD	1.00	1.00	1.00	1.00
Net income	AUC = 0.518	AUC = 0.541	AUC = 0.596	AUC = 0.623
No income	1.42 [0.97–2.06]	1.47* [1.01–2.14]	1.43 [0.96–2.12]	1.43 [0.97–2.10]
<104 USD	1.02 [0.81–1.27]	1.05 [0.84–1.32]	1.03 [0.82–1.30]	1.01 [0.79–1.29]
≥104 USD	1.00	1.00	1.00	1.00
Savings	AUC = 0.532	AUC = 0.544	AUC = 0.597	AUC = 0.619
No	0.77* [0.62–0.95]	0.78* [0.63–0.97]	0.77* [0.62–0.96]	0.69** [0.54–0.86]
Yes	1.00	1.00	1.00	1.00
Indebtedness	AUC = 0.529	AUC = 0.547	AUC = 0.594	AUC = 0.617
Yes	0.79* [0.64–0.98]	0.80* [0.64–0.98]	0.81 [0.65–1.02]	0.90 [0.72–1.13]
No	1.00	1.00	1.00	1.00

Notes:

OR, Crude odds ratio; aOR Adjusted odds ratio (Mantel–Haenszel odds ratio); CI, Confidence interval for OR; AUC, Area under the ROC curve.

^asex.

^bsex, age.

^csex, age, education.

^*p ≤ 0.05.

^**p ≤ 0.01.

^***p ≤ 0.001.