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. 2007 Sep 7;5:54. doi: 10.1186/1477-7525-5-54

Table 1.

Characteristics of respondent sample and analytic sample

Respondent Sample
Frequency (Percent)
Analytic Sample
Frequency (Percent)
Gender
 Male 2,427 (35%) 2,389 (35%)
 Female 4,487 (65%) 4,400 (65%)
Race
 Caucasian 5,508 (80%) 5,426 (80%)
 Hispanic 713 (10%) 691 (10%)
 Asian 298 (4%) 292 (4%)
 African-American 210 (3%) 206 (3%)
 Other 182 (3%) 172 (3%)
Education
 High school or less 2276 (33%) 2205 (33%)
 College/Vocational 3731 (55%) 3685 (55%)
 Professional/Graduate 834 (12%) 827 (12%)
Income
 ≤ 9,999 525 (8%) 508 (8%)
 10 – 19,999 966 (15%) 940 (15%)
 20 – 39,999 1,949 (31%) 1,930 (31%)
 40 – 74,999 2,070 (32%) 2,053 (32%)
 75,000 + 889 (14%) 877 (14%)
Insurance
 Private 5,873 (86%) 5,787 (86%)
 Medicaid 57 (1%) 54 (1%)
 Medicare 398 (6%) 371 (6%)
 Other Insurance 418 (6%) 409 (6%)
 No Insurance 90 (1%) 89 (1%)
Age 50 (18) 50 (18)
SF-36 Scale Scores
 Physical Functioning 79 (27) 79 (27)
 Role-Physical 72 (39) 73 (39)
 Bodily Pain 69 (25) 70 (25)
 General Health 70 (21) 70 (21)
 Vitality 59 (21) 59 (21)
 Social Functioning 79 (25) 79 (25)
 Role-Emotional 81 (34) 81 (34)
 Emotional Well-Being 75 (17) 75 (18)
SF-36 Component Scores
 PCSuc 47 (11) 47 (11)
 MCSuc 50 (10) 50 (10)

* Sample size (n) vary because of missing data.