Table 1. Characteristics of the participants aged 20 years or above in NHANES 1999–2010, by FINDRISC group.* .
| Characteristics | FINDRISC Group | P | All Participants | ||||
| 1st | 2nd | 3rd | 4th | 5th | |||
| FINDRISC value | |||||||
| Mean (SD) | 3.33 (2.05) | 8.91 (1.43) | 12.86 (0.83) | 16.87 (1.63) | 22.49 (1.38) | <.0001 | 9.49 (5.37) |
| Median (range) | 4 (0–6) | 9 (7–11) | 13 (12–14) | 17 (15–20) | 22 (21–26) | 9 (0–26) | |
| N | 6,126 | 7,311 | 3,687 | 2,845 | 664 | 20,633 | |
| Age, year | 36.98 (14.28) | 47.49 (17.45) | 51.85 (17.17) | 60.62 (13.20) | 63.90 (10.11) | <.0001 | 47.49 (17.81) |
| Female, % | 42.87 | 51.18 | 54.62 | 53.99 | 53.46 | <.0001 | 49.79 |
| Race/Ethnicity, % | |||||||
| Non-Hispanic White | 54.05 | 55.41 | 51.59 | 48.86 | 41.57 | <.0001 | 52.97 |
| Non-Hispanic Black | 16.68 | 16.00 | 19.88 | 22.07 | 27.56 | 18.11 | |
| Hispanics | 23.84 | 24.93 | 25.14 | 26.12 | 27.71 | 24.90 | |
| Other† | 5.44 | 3.65 | 3.39 | 2.95 | 3.16 | 4.02 | |
| Annual household income, % | |||||||
| Above $45,000/year | 51.34 | 48.60 | 43.40 | 37.49 | 32.38 | <.0001 | 46.42 |
| Below $45,000/year | 46.21 | 48.90 | 54.19 | 60.49 | 64.44 | 51.16 | |
| Other‡ | 2.45 | 2.50 | 2.40 | 2.02 | 3.17 | 2.42 | |
| Marriage status (married), % | 49.98 | 59.37 | 58.68 | 58.90 | 60.06 | <.0001 | 56.42 |
| Education (have college degree or above), % | 57.03 | 52.81 | 49.93 | 41.51 | 37.66 | <.0001 | 51.51 |
| Current smoking (yes), % | 27.39 | 20.76 | 19.27 | 16.03 | 12.20 | <.0001 | 21.53 |
| Current alcohol intake (yes), % | 78.55 | 74.14 | 68.17 | 65.03 | 58.58 | <.0001 | 72.58 |
| BMI, kg/m2 | 23.68 (3.05) | 28.76 (5.62) | 31.47 (6.06) | 32.47 (6.00) | 33.65 (6.09) | <.0001 | 28.41 (6.18) |
| Waist circumference, cm | 84.36 (8.95) | 98.81 (13.16) | 105.24 (13.41) | 108.51 (13.10) | 112.35 (13.00) | <.0001 | 97.44 (15.25) |
| FPG §, mg/dl | 93.86 (14.40) | 99.31 (21.41) | 106.25 (30.00) | 126.26 (51.97) | 161.15 (69.65) | <.0001 | 104.75 (33.66) |
| HbA1c, % | 5.20 (0.41) | 5.41 (0.64) | 5.65 (0.89) | 6.30 (1.47) | 7.33 (1.60) | <.0001 | 5.58 (0.97) |
| Systolic BP | 115.81 (14.89) | 122.77 (18.21) | 126.46 (18.61) | 132.65 (20.23) | 133.39 (20.93) | <.0001 | 123.07 (18.70) |
| Diastolic BP | 68.79 (11.55) | 70.65 (13.10) | 71.55 (13.59) | 70.91 (14.81) | 67.35 (15.20) | <.0001 | 70.19 (13.13) |
| Diabetes, % | |||||||
| unweighted | 0.93 | 4.17 | 11.09 | 39.30 | 99.10 | <.0001 | 12.34 |
| Weighted | 1.05 | 4.54 | 11.01 | 39.33 | 98.27 | 10.47 | |
| Undiagnosed diabetes, % | |||||||
| Unweighted | 0.85 | 3.31 | 6.54 | 9.00 | 0.30 | <.0001 | 3.84 |
| Weighted | 0.97 | 3.61 | 7.35 | 11.03 | 0.27 | 4.14 | |
| Prediabetes, % | |||||||
| Unweighted | 16.59 | 28.70 | 36.94 | 33.74 | 0.60 | <.0001 | 26.37 |
| Weighted | 24.22 | 39.76 | 48.73 | 42.07 | 1.73 | 35.55 | |
Data are means (SD) except where noted otherwise.
*
FINDRISC group: = 1 if score<7, = 2 if score 7–11, = 3 if score 12–14, = 4 if score 15–20, = 5 if score >20;
†
Other race, including multiracial;
‡
The participants select the annual household income as over $20,000;
§
Fasting plasma glucose.