Table 2.

Spearman correlation coefficients between the lipid levels of study participants according to measurement intervals

Correlation of lipid measurements by different intervals	n	Total cholesterol	Triglycerides	HDL cholesterol	Non-HDL cholesterol	LDL cholesterola
23-year correlation (age 12 to 35 years)	186	0.41	0.17	0.43	0.34	0.37
21-year correlation (age 14 to 35 years)	186	0.44	0.27	0.46	0.39	0.35
19-year correlation (age 16 to 35 years)	230	0.46	0.32	0.49	0.42	0.43
18-year correlation (age 12 to 30 years)	199	0.38	0.12	0.41	0.36	0.38
16-year correlation (age 14 to 30 years)	203	0.49	0.33	0.58	0.44	0.45
14-year correlation (age 16 to 30 years)	251	0.48	0.32	0.51	0.44	0.44
13-year correlation (age 12 to 25 years)	222	0.46	0.21	0.45	0.44	0.44
11-year correlation (age 12 to 35 years)	225	0.53	0.28	0.52	0.45	0.45
10-year correlation (age 25 to 35 years)	126	0.61	0.66	0.64	0.69	0.62
9-year correlation (age 16 to 25 years)	259	0.51	0.37	0.54	0.45	0.46
5-year correlation (age 25 to 30 years)	154	0.69	0.57	0.69	0.69	0.64
5-year correlation (age 30 to 35 years)	167	0.63	0.56	0.66	0.68	0.63
4-year correlation (age 12 to 16 years)	313	0.59	0.34	0.58	0.64	0.52
2-year correlation (age 12 to 14 years)	335	0.62	0.39	0.62	0.65	0.58
2-year correlation (age 14 to 16 years)	322	0.69	0.45	0.63	0.73	0.66

Abbreviations: HDL high-density lipoprotein, LDL low-density lipoprotein

All p values of correlation coefficients were <0.05. ^aThe number of participants for calculating the correlation coefficients of LDL cholesterol was somewhat different due to missing values