Table 3.

Association of leisure time and non-leisure time physical activity with kidney function

Variables	Crude model				Adjusted model
	β	95%CI Lower	95%CI Upper	P-value	β	95%CI Lower	95%CI Upper	P-value
LTPA
Quartile 1	ref	ref	ref	ref	ref	ref	ref	ref
Quartile 2	-0.89	-1.35	-0.44	< .001	0.36	0.06	0.66	= .019
Quartile 3	-2.72	-3.16	-2.27	< .001	0.82	0.51	1.14	< .001
Quartile 4	-3.87	-4.31	-3.42	< .001	1.16	0.83	1.49	< .001
Non-LTPA
Quartile 1	ref	ref	ref	ref	ref	ref	ref	ref
Quartile 2	0.82	0.37	1.27	< .001	0.03	-0.27	0.33	= .842
Quartile 3	1.76	1.32	2.20	< .001	0.02	-0.28	0.31	= .912
Quartile 4	2.30	1.86	2.74	< .001	-0.42	-0.72	-0.11	= .007

Adjusted models included age, sex, smoking and alcohol intake status, body mass index, educational status, job, depressive symptom, housing damage, self-reported comorbidity, medication status, and laboratory tests

LTPA Leisure time physical activity, CI Confidence interval