Table 1

Participant characteristics at baseline (Y0) stratified by Y25 outcome

Absence of pre-diabetes or diabetes at Y25 (n=1646)Pre-diabetes at Y25 (n=1319)Diabetes at Y25 (n=393)p Value from ANOVA F-test or χ2 test
Age (years)24.8 (3.6)25.3 (3.6)25.5 (3.6)<0.0001
BMI (kg/m2)23.4 (4.3)24.5 (4.6)28.2 (5.8)<0.0001
Weight (lbs)148.9 (31.6)158.1 (32.9)180.0 (41.8)<0.0001
Race
 Black36%54%69%<0.0001
 White64%46%31%
Sex
 Male37%50%45%<0.0001
 Female63%50%55%
Treadmill duration (s)604 (176)589 (183)508 (176)<0.0001
Self-reported physical activity (exercise units)424 (286)424 (308)385 (294)0.053
AmMedDiet score (range 0–15)7.1 (2.1)6.9 (2.1)6.5 (1.9)<0.0001
  • Data are means (SD) or per cent. The AmMedDiet diet score ranged from 0 (least similar to an Americanized Mediterranean dietary intake pattern) to 15 (most similar to an Americanized Mediterranean dietary intake pattern). Three hundred exercise units are approximately equal to 150 min of moderate physical activity per week.24

  • AmMedDiet, Americanized Mediterranean diet; BMI, body mass index.