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. 2020 May 1;6:18. doi: 10.1186/s40900-020-00196-4

Table 4.

Characteristics of evaluation survey respondents

Participant characteristics (n[%]) Crowd-voting
(N = 26)
Focus group
(N = 34)
Delphi survey
(N = 63)
p-value
Agea(mean [SD]) 74.36 (4.24) 75.19 (4.11) 76.79 (5.94) 0.03
Sex 0.65
 Female 15 (60%) 23 (70%) 37 (61%)
 Not reported 0 1 2
Raceb 0.28
 Black or African American 1 (4%) 7 (24%) 8 (13%)
 Native American Indian or Alaska Native 1 (4%) 0 (0%) 0 (0%)
 Native Hawaiian or other Pacific Islander 1 (4%) 0 (0%) 0 (0%)
 Asian 2 (8%) 2 (7%) 1 (2%)
 White 20 (80%) 20 (69%) 51 (84%)
 Other 0 (0%) 0 (0%) 1 (2%)
 Multiple races 0 (0%) 0 (0%) 0 (0%)
 Not reported 0 5 2
Hispanic ethnicity 0.81
 Hispanic 0 (0%) 1 (3%) 3 (5%)
 Not reported 2 4 3
Educationc 0.30
 Less than high school graduate 0 (0%) 0 (0%) 1 (2%)
 High school graduate or obtained general equivalent diploma 1 (4%) 4 (12%) 7 (11%)
 Associate’s degree 0 (0%) 3 (9%) 6 (10%)
 Some college 6 (24%) 6 (18%) 15 (24%)
 Four-year college graduate 7 (28%) 9 (27%) 13 (21%)
 Professional or graduate degree 11 (44%) 11 (33%) 21 (33%)
 Not reported 0 1 0
Marital statusd 0.78
 Married 14 (56%) 15 (47%) 33 (52%)
 Living with partner 0 (0%) 3 (9%) 2 (3%)
 Divorced 2 (8%) 7 (22%) 9 (14%)
 Separated 1 (4%) 0 (0%) 0 (0%)
 Never married 1 (4%) 1 (3%) 2 (3%)
 Widowed 7 (28%) 6 (19%) 17 (27%)
 Not reported 0 2 0
How long has low back pain been an ongoing problem for you?e 0.27
 3–6 months 0 (0%) 0 (0%) 1 (2%)
 6 months-1 year 0 (0%) 1 (3%) 2 (3%)
 1–5 years 7 (28%) 10 (30%) 24 (40%)
 More than 5 years 18 (72%) 22 (67%) 33 (55%)
 Not reported 0 1 3
How often has low back pain been an ongoing problem for you over the past 6 months?f 0.34
 Less than half the days in the past 6 months 15 (60%) 12 (36%) 33 (53%)
 At least half the days in the past 6 months 3 (12%) 10 (30%) 12 (19%)
 Every day or nearly every day in the past 6 months 7 (28%) 11 (33%) 17 (27%)
 Not reported 0 1 1
In the past 7 days how would you rate your low back pain on average? (mean [SD]) 3.9 (1.82) 4.9 (2.31) 4.1 (2.16) 0.15

Note:a) p-value determined from Kruskal-Wallis test; b) p-value for race determined from Chi-square test of White or Caucasian vs. any other race; c) p-value for education determined from Chi-square test of four-year college graduate or more vs. less than four-year college graduate; d) p-value for marital status determined from Chi-square test of married vs. any other status; e) p-value for “how long has low back pain been an ongoing problem for you?” determined from Chi-square test of more than 5 years vs. any other status; f) p-value for “how often has low back pain been an ongoing problem for you over the past 6 months?” determined from Chi-square test of all categories