Table 1.

Baseline characteristics of study participants by coffee, tea and soda intake in the NIH-AARP Diet and Health Study

Beverage Characteristic	Quantity of intake
Coffee (cups/day):	None	<1	1	2 to 3	4 to 5	>6
Participants	55,538	89,881	90,370	222,209	65,089	19,919
Agea (years)	61.8	62.7	63.9	63.0	61.8	61.1
Male (%)	51.5	56.1	54.9	61.0	66.4	67.6
Non-Hispanic White (%)	90.5	87.5	89.7	94.9	96.9	97.3
Energy intakea (kcal/day)	1,638	1,599	1,624	1,698	1,829	1,989
Heighta (meters)	1.70	1.73	1.70	1.73	1.75	1.75
Fruit and vegetable intakea,b	2.4	2.4	2.3	2.1	1.9	1.7
Nitrite intake from plant sourcesa,c	0.43	0.44	0.43	0.41	0.39	0.37
Tea (cups/day):	None	>0 to ≤0.5	>0.5 to ≤1	>1 to ≤2	>2 to ≤3	>3
Participants	54,480	186,191	97,439	56,750	79,150	65,431
Agea (years)	63.6	62.9	62.7	62.9	62.5	62.3
Male (%)	65.7	61.2	60.3	52.1	59.3	51.7
Non-Hispanic White (%)	91.5	91.4	92.6	93.0	94.9	94.6
Energy intakea (kcal/day)	1,679	1,616	1,678	1,680	1,757	1,859
Heighta (meters)	1.73	1.73	1.73	1.70	1.73	1.70
Fruit and vegetable intakea,b	2.1	2.2	2.2	2.3	2.1	2.2
Nitrite intake from plant sourcesa,c	0.40	0.42	0.42	0.44	0.41	0.42
Soda (cans/day):	None	>0 to ≤0.1	>0.1 to ≤0.5	>0.5 to ≤1	>1 to ≤2	> 2
Participants	53,336	150,351	130,923	71,767	63,186	65,369
Agea (years)	64.5	63.7	63.1	62.2	61.3	60.2
Male (%)	46.0	53.9	60.4	68.2	61.7	66.5
Non-Hispanic White (%)	93.4	92.5	92.3	91.6	93.3	93.9
Energy intakea (kcal/day)	1,573	1,580	1,646	1,797	1,811	1,958
Heighta (meters)	1.70	1.70	1.73	1.75	1.73	1.75
Fruit and vegetable intakea,b	2.6	2.3	2.2	2.0	2.0	1.9
Nitrite intake from plant sourcesa,c	0.47	0.43	0.42	0.39	0.39	0.37

^aMedian value

^bMyPeriod Equivalents Database (MPED) cup equivalents/1,000 kcal per day

^cmg/1,000 kcal per day