. 2015 May 29;10(5):e0128287. doi: 10.1371/journal.pone.0128287

Table 5. Associations between meditation practice, demographic characteristics, behavioral risk factors, and job satisfaction: Results from the hierarchical regression analysis (740 males and 730 females).

Variables		Pearson R		Standardized coefficient (β)
		Crude		Step 1		Step 2		Step 3
1	Meditation practice
	Frequency of practice ^a	0.079	^**	0.079	^**	0.072	^**	0.065	^**
2	Demographic characteristics
	Gender ^b	0.044				0.059	^*	0.059	^*
	Age (years)	-0.001				-0.052	^*	-0.050
	Education ^c	0.125	^***			0.065	^**	0.062	^*
	Household income ^d	0.258	^***			0.205	^***	0.194	^***
	Marital status ^e	0.125	^***			0.062	^*	0.067	^*
	Stress responses	-0.272	^***			-0.248	^***	-0.200	^***
3	Behavioral risk factors
	Body mass index	-0.021						0.026
	Physical activity at work ^f	-0.097	^***					-0.038
	Physical activity at leisure time ^g	0.117	^***					0.050	^*
	Sleep hours	0.068	^**					0.006
	Sleep sufficiency ^h	0.195	^***					0.083	^**
	R ²			0.006		0.145		0.154
	Adjusted R ²			0.006		0.140		0.147
	Δ R ²			0.006	^**	0.138	^***	0.009	^**

*: P < 0.05,

**: P < 0.01,

***: P < 0.001.

^a Not currently practicing = 1, Less than one day in two weeks = 2, Once a week or more = 3, Daily or more = 4.

^b Male = 1, Female = 2.

^c Elementary school/junior high school = 1, High school/vocational school = 2, Junior college/technical college = 3, University = 4, Graduate school = 5.

^d Less than 2 million = 1, 2–5 million = 2, 5–7 million = 3, 7–10 million = 4, 10–15 million = 5, More than 15 million = 6 (JPY).

^e Never married/Divorced/Widowed = 1, Married/Common-law marriage = 2.

^f Very light = 1, Light = 2, Moderate = 3, Heavy = 4.

^g Very light = 1, Light = 2, Moderate = 3, Active = 4, Very active = 5.

^h Very insufficient = 1, Insufficient = 2, Sufficient = 3, Very sufficient = 4.