Table 3.

Factors associated with psychological well-being.

Variables	Classification	OR(CI)
		15–29		30–49		≥50
Education level	Middle school or less	1		1		1
	High school	0.583	(0.128–2.654)	0.837	(0.458–1.53)	0.7	(0.604–0.81) *
	College or more	0.408	(0.092–1.813)	0.716	(0.387–1.323)	0.608	(0.477–0.775) *
Household type	Living alone	1		1		1
	Living with spouse	0.752	(0.175–3.229)	0.734	(0.477–1.13)	0.635	(0.516–0.781) *
	Living with children	4.073	(0.704–23.572)	1.068	(0.854–1.337)	1.145	(0.989–1.325)
	Living with spouse and children	<0.001	(<0.001->999.999)	0.495	(0.373–0.657) *	0.548	(0.415–0.723) *
	Living with parents	0.59	(0.265–1.312)	0.527	(0.31–0.895) *	0.938	(0.548–1.606)
	Living with others	1.019	(0.597–1.741)	0.558	(0.364–0.856) *	0.947	(0.663–1.354)
Monthly income (million KRW)	<1	1		1		1
	1–1.99	1.45	(0.734–2.864)	0.856	(0.536–1.366)	0.595	(0.515–0.688) *
	2–2.99	0.925	(0.439–1.952)	0.75	(0.463–1.216)	0.49	(0.404–0.594) *
	≥3	1.667	(0.698–3.979)	0.739	(0.449–1.218)	0.456	(0.363–0.573) *
Occupation type	Administrator/Expert	1		1		1
	Office worker	1.261	(0.698–2.278)	1.069	(0.766–1.493)	0.909	(0.584–1.416)
	Sales & Service worker	0.96	(0.522–1.767)	1.097	(0.796–1.513)	1.234	(0.862–1.766)
	Blue collar job worker	1.081	(0.463–2.524)	1.257	(0.834–1.895)	1.134	(0.781–1.647)
Employment status	Permanent	1		1		1
	Temporary	0.83	(0.502–1.372)	0.816	(0.615–1.083)	1.143	(0.997–1.312)
Shift work	No	1		1		1
	Yes	0.949	(0.501–1.795)	0.675	(0.447–1.019)	0.924	(0.662–1.29)
Night shift	No	1		1		1
	Yes	0.761	(0.313–1.855)	1.363	(0.75–2.476)	1.38	(0.842–2.262)
Musculoskeletal pain	Not have	1		1		1
	Have	0.945	(0.571–1.565)	1.772	(1.418–2.215)*	1.571	(1.381–1.787) *
Fatigue	Not have	1		1		1
	Have	1.533	(0.962–2.444)	1.551	(1.245–1.932) *	1.272	(1.121–1.443) *
Depression/Anxiety	Not have	1		1		1
	Have	5.378	(2.223–13.012) *	2.493	(1.61–3.859) *	1.919	(1.526–2.414) *
Sleep disturbance	Not have	1		1		1
	Have	1.431	(0.964–2.126)	1.152	(0.934–1.422)	1.097	(0.971–1.24)

KRW = Korean Won; * p < 0.05.