Table 2.

Characteristics of Sampled Population versus Olmsted County

	1960s	1970s	1980s	1990s	2000s	2010s
Gender
Sampled Population
Females	63.45	58.83	56.71	60.68	57.97	57.98
Males	36.55	41.17	43.29	39.32	42.03	42.01
Olmsted Census
Females	52.6	52.5	51.5	50.9	51.1	51.2
Males	47.4	47.5	48.5	49.1	48.9	48.8
p-value	0.158	0.448	0.545	0.211	0.404	0.411
Racial Demographics
Sampled Population
White	99.78	99.05	97.37	95.63	85.68	85.7
Asian	0.22	0.71	2.51	3.54	3.97	5.35
Black	0	0.238	0.13	0.82	2.99	3.99
Other	0	0	0	0	2.75	3.4
Olmsted Census
White	99.1	98	95.7	90.3	85.7	77.8
Asian	0.4	1.1	3	4.3	5.4	6.3
Black	0.3	0.4	0.7	2.7	4.8	6.8
Other	0.1	0.3	0.3	0.9	1.6	2.5
p-value	0.923	0.933	0.861	0.549	0.821	0.753
Age
Sampled Population
Mean	42.14	40.47	46.27	48.49	45.11	47.67
Standard Deviation	18.86	18.66	17.25	18.21	16.63	16.84
25th Percentile	26	25	31	35	32	34
75th Percentile	57	52	59	62	55	60
Olmsted Census
Mean	39.78	39.9	41.45	43.52	45.23	47.04
Standard Deviation	17.98	18.24	17.7	17.53	18.1	18.76
25th Percentile	25	25	28	30	30	31
75th Percentile	52	52	52	54	57	61
p-value	1	1	1	1	1	1