Variety and quantity of dietary insoluble fiber intake from different sources and risk of new-onset hypertension

Table 2 The association of total dietary insoluble fiber with new-onset hypertension

Dietary insoluble fiber, g/day	N	Cases (rate)^a	Crude model		Adjusted model^b
Dietary insoluble fiber, g/day	N	Cases (rate)^a	HR (95%CI)	P value	HR (95%CI)	P value
Quartile
Q1 (< 7.1)	3033	973 (53.2)	Ref		Ref
Q2 (7.1–9.6)	3032	984 (39.4)	0.72 (0.66, 0.79)	< 0.001	0.78 (0.60, 1.01)	0.062
Q3 (9.6–12.9)	3033	1040 (38.9)	0.71 (0.65, 0.78)	< 0.001	0.62 (0.47, 0.83)	0.001
Q4 (≥ 12.9)	3033	1255 (50.4)	0.93 (0.85, 1.01)	0.074	0.61 (0.44, 0.85)	0.003

^aIncidence rate was presented as per 1000 person-years
^bAdjusted for sex, body mass index, systolic blood pressure, diastolic blood pressure, smoking, alcohol drinking, urban/rural residents, regions, education levels, occupations, diabetes, physical activity levels, dietary intakes of sodium, potassium, protein, fat, and carbohydrate

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