Table 4.

Stratified analysis of relationship between banana intake and all-cause mortality.

		HR (95%CI)					P inter
	Number	<1 times/month	1–3 times/month	1–2 times/week	3–6 times/week	≥1 times/day
Hypercholesterolemia							0.919
No	1,273	Ref	0.72 (0.48, 1.07)	0.86 (0.59, 1.26)	0.76 (0.53, 1.08)	0.99 (0.67, 1.46)
Yes	1,207	Ref	0.86 (0.60, 1.24)	0.80 (0.55, 1.15)	0.77 (0.55, 1.09)	1.06 (0.73, 1.53)
Diabetes							0.925
No	1968	Ref	0.76 (0.56, 1.03)	0.81 (0.60, 1.09)	0.75 (0.56, 1.00)	0.96 (0.70, 1.31)
Yes	512	Ref	0.96 (0.56, 1.66)	0.85 (0.49, 1.48)	0.78 (0.48, 1.25)	1.15 (0.69, 1.92)
Cardiovascular Disease							0.383
No	1972	Ref	0.88 (0.63, 1.25)	0.92 (0.66, 1.28)	0.90 (0.66, 1.23)	1.12 (0.79, 1.57)
Yes	508	Ref	0.68 (0.44, 1.05)	0.70 (0.46, 1.08)	0.54 (0.36, 0.82)	0.84 (0.55, 1.28)
Stroke							0.404
No	2,264	Ref	0.74 (0.55, 1.00)	0.82 (0.62, 1.10)	0.79 (0.61, 1.04)	0.94 (0.70, 1.26)
Yes	216	Ref	1.07 (0.57, 1.99)	0.85 (0.45, 1.60)	0.60 (0.31, 1.14)	1.23 (0.66, 2.32)
Lung Disease							0.959
No	1969	Ref	0.82 (0.60, 1.12)	0.86 (0.64, 1.17)	0.76 (0.57, 1.01)	1.04 (0.77, 1.41)
Yes	511	Ref	0.75 (0.44, 1.26)	0.72 (0.43, 1.20)	0.75 (0.47, 1.19)	0.89 (0.51, 1.52)
Liver Condition							0.117
No	2,380	Ref	0.79 (0.61, 1.04)	0.79 (0.61, 1.03)	0.74 (0.58, 0.95)	0.96 (0.73, 1.26)
Yes	100	Ref	1.31 (0.20, 8.49)	0.93 (0.14, 5.93)	2.39 (0.41, 14.00)	9.45 (0.96, 93.18)
Failing Kidneys							0.418
No	2,348	Ref	0.73 (0.55, 0.97)	0.76 (0.58, 1.01)	0.71 (0.55, 0.92)	0.98 (0.74, 1.29)
Yes	132	Ref	1.80 (0.74, 4.36)	1.22 (0.52, 2.87)	1.07 (0.43, 2.66)	1.84 (0.72, 4.65)

Adjusted for gender, age, race, education level, ratio of family income to poverty rate, smoking, hypercholesterolemia, diabetes, cardiovascular disease, stroke, lung disease, failing kidneys, except the subgroup variable. HR, hazard ratio; CI, confidence interval; P inter, P interaction; Ref, reference.