Total polyunsaturated fatty acid intake and the risk of non-alcoholic fatty liver disease in Chinese Han adults: a secondary analysis based on a case–control study

Table 4 The results of two-piecewise linear regression model

Inflection point of total PUFA intake (g/day)	Effect size (OR)	95%CI	P-value
< 18.8	0.91	0.81 to 1.02	0.1045
18.8–29.3	1.32	1.23 to 1.41	< 0.0001
> 29.3	1.13	0.99 to 1.30	0.0756

Effect: NAFLD risk, Cause: Total PUFA intake
Adjusted: age, sex, nut intake, energy intake, BMI, tea-drinking status, history of hypertension, MUFA intake, physical exercise, education, marital status
Abbreviations as in Table 2

ISSN: 1471-230X