Table 1.
Demographic and Sample Characteristics of 50 Adult Participants in Two Phases of User Testing on Communicating Total Nutrient Intake from Foods, Drinks, and Supplements
| Characteristics | Phase I (n=30) | Phase II (n=20) | Total (n=50) |
|---|---|---|---|
| n (%) | |||
| Racea | |||
| AI/ANb | 1 (3.3%) | 1 (5.0%) | 2 (4.0%) |
| Asian | 3 (10.0%) | 2 (10.0%) | 5 (10.0%) |
| Black | 6 (20.0%) | 4 (20.0%) | 10 (20.0%) |
| White | 15 (50.0%) | 10 (50.0%) | 25 (50.0%) |
| Hispanic Origin | 8 (26.7%) | 4 (20.0%) | 12 (24.0%) |
| Gender Identity | |||
| Female | 16 (53.3%) | 11 (55.0%) | 27 (54.0%) |
| Male | 14 (46.7%) | 9 (45.0%) | 23 (46.0%) |
| Gender non-conforming | 0 (0%) | 0 (0%) | 0 (0%) |
| Transgender | 0 (0%) | 0 (0%) | 0 (0%) |
| Education | |||
| High School/GED or Less | 7 (23.3%) | 6 (30.0%) | 13 (26.0%) |
| Some College / College Degree | 13 (43.3%) | 8 (40.0%) | 21 (42.0%) |
| Graduate Degree | 10 (33.3%) | 6 (30.0%) | 16 (32.0%) |
| Age Range (years) | |||
| 19–30 | 7 (23.3%) | 6 (30.0%) | 13 (26.0%) |
| 31–50 | 12 (40.0%) | 8 (40.0%) | 20 (40.0%) |
| 51–70 | 11 (36.7%) | 6 (30.0%) | 17 (34.0%) |
| Subjective Numeracy Scale (SNS)c | |||
| Median Score (Range) | 15.5 (7–18) | 16 (6–18) | 16 (6–18) |
| 6 – 10 (n, %) | 3 (10.0%) | 1 (5.0%) | 4 (8.0%) |
| 11 – 16 (n, %) | 13 (43.3%) | 11 (55.0%) | 24 (48.0%) |
| 17 – 18 (n, %) | 14 (46.7%) | 8 (40.0%) | 22 (44.0%) |
Percentages do not sum to 100% as participants could select more than one racial category, and some participants identified with Hispanic ethnicity only and did not select a racial category
AI/AN = American Indian/Alaskan Native
SNS is Subjective Numeracy Scale Range 3–18, Study Range 6–1816; high numeracy is 17–18 and lower is ≤16