Table 4.

Relationship between leisure-time physical activity and the Health-Related Quality of Life Instrument with 8 Items scores—adjusted model.

		Adjusted Model
		B	SE	Wald χ2	Exp (β)	Percentile Difference (%)	95% CI	p-Value
Leisure-related PA
	<500 MET-min/week				Ref.
	≥500 MET-min/week	0.013	0.0037	11.5	1.013	1.27	(1.005–1.02)	0.001
Sex
	Men				Ref.
	Women	−0.039	0.0039	97.6	0.962	−3.82	(0.954–0.969)	<0.001
Age (years old)
	19–34				Ref.
	35–49	−0.014	0.0048	8.9	0.986	−1.41	(0.977–0.995)	0.003
	50–64	−0.022	0.0053	17.7	0.978	−2.22	(0.968–0.988)	<0.001
Levels of education
	Elementary school graduates				Ref.
	Middle school graduates	0.017	0.0083	4.0	1.017	1.67	(1–1.033)	0.046
	High school graduates	0.043	0.0070	37.8	1.044	4.37	(1.03–1.058)	<0.001
	≥College or university graduates	0.045	0.0072	38.4	1.046	4.56	(1.031–1.06)	<0.001
Monthly household income
	Low				Ref.
	Mid-low	0.023	0.0057	16.8	1.024	2.37	(1.012–1.035)	<0.001
	Mid-high	0.035	0.0057	38.5	1.036	3.59	(1.024–1.047)	<0.001
	High	0.035	0.0057	37.6	1.035	3.53	(1.024–1.047)	<0.001
Economic activities
	Yes				Ref.
	No	−0.016	0.0034	22.6	0.984	−1.59	(0.978–0.991)	<0.001
Marital status
	Married				Ref.
	Others	−0.013	0.0047	7.0	0.988	−1.25	(0.978–0.997)	0.008
Smoking status
	Non-smokers				Ref.
	Ex-smokers	−0.013	0.0044	8.6	0.987	−1.27	(0.979–0.996)	0.003
	Smokers	−0.029	0.0046	38.0	0.972	−2.81	(0.963–0.981)	<0.001
Alcohol intake
	Abstinent				Ref.
	Low-moderate	0.001	0.0042	0.1	1.001	0.14	(0.993–1.01)	0.734
	Occasional	0.009	0.0046	3.9	1.009	0.91	(1–1.018)	0.047
	Frequent	0.005	0.0048	1.1	1.005	0.51	(0.996–1.014)	0.287
BMI (kg/m2)
	<23				Ref.
	23–25	−0.005	0.0039	1.7	0.995	−0.50	(0.988–1.003)	0.196
	>25	−0.009	0.0035	7.2	0.991	−0.93	(0.984–0.998)	0.007
Medical history
	Hypertension	−0.006	0.0048	1.8	0.994	−0.64	(0.984–1.003)	0.181
	Diabetes mellitus	−0.011	0.0068	2.4	0.989	−1.06	(0.976–1.003)	0.120
	Dyslipidemia	−0.017	0.0049	12.5	0.983	−1.71	(0.974–0.992)	<0.001
	Cerebrovascular diseases	−0.049	0.0151	10.6	0.952	−4.81	(0.924–0.981)	0.001
	Ischemic heart diseases	−0.023	0.0140	2.7	0.977	−2.26	(0.951–1.005)	0.101

Note: SE, standard error; CI, confidence interval. Abbreviations: PA, physical activity; MET, metabolic equivalent of task; BMI, body mass index.