Association between night work and dyslipidemia in South Korean men and women: a cross-sectional study

Joo, Jae Hong; Lee, Doo Woong; Choi, Dong-Woo; Park, Eun-Cheol

doi:10.1186/s12944-019-1020-9

Lipids in Health and Disease

Table 4 Mean values of total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides

From: Association between night work and dyslipidemia in South Korean men and women: a cross-sectional study

Variable	Dyslipidemia
		Yes^a						No^a
	Total	N	%	Mean ± SD			P-value	N	%	Mean ± SD			P-value
Male (n = 2821)
Total cholesterol		≥240 ≥ 240 ≥ 240					0.044	< 240 < 240 < 240					0.475
Day	2404	170	7.1	254.852941	±	14.6		2234	92.9	185.707623	±	27.5
Night	196	16	8.2	247.125	±	5.4		180	91.8	183.117978	±	29.3
Other shifts	221	10	4.5	247.9	±	12.4		211	95.5	185.149038	±	26.8
HDL cholesterol		≤40 ≤ 40 ≤ 40					0.532	> 40					0.455
Day	2404	346	14.4	34.8849827	±	3.5		2058	85.6	52.1910633	±	9.8
Night	196	32	16.3	35.6163125	±	3.5		164	83.7	51.7899506	±	9.9
Other shifts	221	31	14.0	34.9723226	±	3.4		190	86.0	51.3105455	±	9.0
LDL cholesterol		≥160					0.049	< 160					0.904
Day	2404	71	3.0	175.915493	±	14.4		2333	97.0	112.69986	±	24.7
Night	196	7	3.6	168.428571	±	8.6		189	96.4	114.042254	±	27.0
Other shifts	221	5	2.3	162	±	3.9		216	97.7	112.460317	±	22.8
Triglycerides		≥200					0.552	< 200					0.765
Day	2404	285	11.9	296.74386	±	142.1		2119	88.1	104.792435	±	38.6
Night	196	30	15.3	310.733333	±	167.1		166	84.7	106.871951	±	37.8
Other shifts	221	21	9.5	267.47619	±	72.4		200	90.5	105.822335	±	39.6
Female (n = 2992)
Total cholesterol		≥240 ≥ 240					0.288	< 240 < 240					0.481
Day	2512	190	7.6	260.110526	±	17.5		2322	92.4	185.358222	±	26.7
Night	379	33	8.7	256.0	±	12.6		346	91.3	183.956268	±	28.3
Other shifts	101	10	9.9	254.7	±	14.2		91	90.1	182.835165	±	30.4
HDL cholesterol		≤40					0.848	> 40					0.003
Day	2512	140	5.6	35.6	±	3.5		2372	94.4	57.6918124	±	11.1
Night	379	21	5.5	35.6	±	3.7		358	94.5	59.1713183	±	11.8
Other shifts	101	6	5.9	36.5	±	2.5		95	94.1	60.7348632	±	11.2
LDL cholesterol		≥160					0.746	< 160					0.551
Day	2512	56	2.2	174.303571	±	13.0		2456	97.8	110.192771	±	25.0
Night	379	8	2.1	177.5	±	14.8		371	97.9	110.836735	±	24.1
Other shifts	101	4	4.0	172.0	±	7.4		97	96.0	104.608696	±	31.2
Triglycerides		≥200					0.871	< 200					0.009
Day	2512	82	3.3	269.743902	±	88.5		2430	96.7	87.3859794	±	36.0
Night	379	24	6.3	280.0	±	84.5		355	93.7	85.0284091	±	36.9
Other shifts	101	2	2.0	262.5	±	70.0		99	98.0	76.5555556	±	33.9

HDL high density lipoprotein, LDL low density lipoprotein
^aCut-offs according to the 2015 Korean Guidelines for the Management of Dylipidemia

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