Visit vs Spirometry: Forced expiratory flow at 50

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 5	690	3.5	± 1.5	3.4	0.2	9.0	45	735

Participant's age (category) vs Spirometry: Forced expiratory flow at 50

Visit 5

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	620	3.5	± 1.5	3.4	0.2	9.0	38	658
5-14 yrs old	58	2.8	± 1.2	2.6	1.1	8.0	6	64
15-24 yrs old	108	4.2	± 1.3	4.2	1.1	7.7	4	112
25-34 yrs old	58	4.2	± 1.5	4.2	1.3	8.6	4	62
35-44 years	90	3.8	± 1.5	3.8	1.0	8.8	8	98
45-54 years	137	3.5	± 1.3	3.5	0.8	7.1	11	148
55-64 years	83	3.2	± 1.5	3.0	0.8	9.0	1	84
65-74 years	54	2.5	± 1.2	2.6	0.3	6.2	3	57
75-84 years	30	2.1	± 1.1	1.9	0.2	4.3	1	31
85 years or older	2	2.1	± 0.2	2.1	2.0	2.2	-	2

Participant's sex vs Spirometry: Forced expiratory flow at 50

Visit 5

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	690	3.5	± 1.5	3.4	0.2	9.0	45	735
Female	380	3.2	± 1.2	3.2	0.2	6.5	26	406
Male	310	3.8	± 1.6	3.8	0.3	9.0	19	329

Participant's race vs Spirometry: Forced expiratory flow at 50

Visit 5

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	690	3.5	± 1.5	3.4	0.2	9.0	45	735
White	293	3.8	± 1.5	3.7	0.2	9.0	11	304
Black	375	3.2	± 1.4	3.1	0.3	8.6	34	409
More than one race	22	3.6	± 1.1	3.3	1.8	5.7	-	22

Cleveland Family Study

Age