Table 3.

Association between physical activity and obesity/sarcopenia by vitamin D status

Vitamin D subgroups	ORs(95%CI)
	O vs N	S vs N	SO v N
Vitamin D < 20 ng/ml (n = 2203) a
Moderate to high	1(reference)	1(reference)	1(reference)
Low	1.38(1.04,1.83) *	1.96(1.34,2.85) ***	1.85(1.14,3.01) *
Vitamin D ≥ 20 ng/ml (n = 1510) a
Moderate to high	1(reference)	1(reference)	1(reference)
Low	0.98(0.71,1.35)	1.41(0.91,2.15)	1.07(0.53,2.13)

Abbreviations: ORs Odds ratios, CI Confident interval, N Normal, O Obesity, S Sarcopenia, SO Sarcopenic obesity

^a Adjusted age, sex, ethnicity, education, marital status, smoking, ADL disability, chronic diseases (hypertention, coronary heart diseases, COPD, diabetes, stroke, arthritis, tumor), nutrition status

^*p < 0.05, **p < 0.01, ***p < 0.001