Table 2. Open in new tab Demographics of...

Table 2.

Demographics of respondents by sample.

Variable	Random sample (n = 1,312)	Self-selected sample (n = 1,105)	χ² or t	P	V or d
Age (%)			57.77	<0.001	0.167
16 to 24	6	5
25 to 34	12	9
35 to 44	18	15
45 to 54	21	19
55 to 64	25	22
65 to 74	17	24
75 to 87	1	6
Mean age	49.47	53.40	5.75	<0.001	0.258
Gender (%)			260.89	<0.001	0.329
Male	65	93
Female	34	6
Prefer not to answer	1	1
Education (%)			7.38	0.194	0.061
Some high school	3	4
High school graduate	24	21
Some college	34	33
College graduate	29	29
Master’s degree	7	8
Doctoral degree	3	5

Variable	Random sample (n = 1,312)	Self-selected sample (n = 1,105)	χ² or t	P	V or d
Age (%)			57.77	<0.001	0.167
16 to 24	6	5
25 to 34	12	9
35 to 44	18	15
45 to 54	21	19
55 to 64	25	22
65 to 74	17	24
75 to 87	1	6
Mean age	49.47	53.40	5.75	<0.001	0.258
Gender (%)			260.89	<0.001	0.329
Male	65	93
Female	34	6
Prefer not to answer	1	1
Education (%)			7.38	0.194	0.061
Some high school	3	4
High school graduate	24	21
Some college	34	33
College graduate	29	29
Master’s degree	7	8
Doctoral degree	3	5