Serum folate concentration and health-related quality of life among the elderly in South Korea

Table 4 Odds ratios (95% CI) of HRQOL dimensional problems and folate concentration

Model	Mobility	Self-care	Usual activities	Pain/discomfort	Anxiety/depression
1	0.83 (0.62, 1.11)	0.58 (0.39, 0.85)**	0.97 (0.71, 1.32)	1.02 (0.76, 1.39)	0.97 (0.68, 1.40)
2	0.71 (0.51, 0.99)*	0.55 (0.37, 0.84)**	0.87 (0.62, 1.22)	0.81 (0.58, 1.13)	0.88 (0.61, 1.28)
3	0.80 (0.56, 1.14)	0.63 (0.40, 0.98)*	0.99 (0.69, 1.44)	0.88 (0.62, 1.24)	0.87 (0.59, 1.29)
4	0.79 (0.56, 1.13)	0.63 (0.41, 0.99)*	1.00 (0.69, 1.45)	0.88 (0.62, 1.24)	0.88 (0.59, 1.30)

Model 1: not adjusted; Model 2: adjusted for age and sex; Model 3: further adjusted for marital status, education level, employment status, household income, smoking, alcohol consumption, aerobic physical activity, and BMI; Model 4: further adjusted for diabetes mellitus, hypertension, and dyslipidemia. *p < 0.05, **p < 0.01, ***p < 0.001

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