Research Article

Do Behavioral Risk Factors for Prediabetes and Insulin Resistance Differ across the Socioeconomic Gradient? Results from a Community-Based Epidemiologic Survey

Table 1

Characteristics of BACH-3 analytic sample (), overall and by fasting glucose/diabetes status.



  Total 
  
Fasting glucose/diabetes status
Unaffected 
(27.7%)
Prediabetes***
(64.6%)
Prediabetes or insulin resistant 
(69.2%)***
Insulin resistance 
HOMA model*

Mean (SE) = 1.9 (1.0)

Age, y mean SE54.0 (0.5)50.8 (0.8)53.7 (0.6)53.5 (0.6)0.05
Gender, %
 Male 1184 (46.5%)241 (47.8%)559 (43.9%)599 (44.5%)2.04 (1.05)
 Female1971 (53.5%)399 (52.2%)973 (56.1%)1028 (55.5%)1.73 (1.05)
BMI, mean SE29.5 (0.2)27.6 (0.3)29.3 (0.3)29.4 (0.3%)0.41
Waist circumference, cm mean SE97.0 (0.5)91.9 (1.0)95.8 (0.7)96.2 (0.6%)0.45
Education
 <HS618 (7.9%)76 (3.4%)246 (7.2%)259 (7.0%)2.24 (1.09)
 HS or GED 948 (24.4%)173 (21%)454 (23.1%)483 (23.1%)2.24 (1.06)
 Some college671 (20.5%)139 (18.2%)332 (21%)354 (21.2%)2.06 (1.07)
 College or advanced916 (47.1%)251 (57.4%)499 (48.7%)531 (48.8%)1.60 (1.05)
Income
 <$20,0001338 (27.0%)204 (19.1%)577 (23.8%)615 (24.5%)2.43 (1.07)
 $20,000–$49,999914 (25.1%)181 (21.2%)472 (27.1%)498 (26.7%)1.97 (1.05)
 >$50,000902 (48.0%)93 (59.7%)482 (49.2%)514 (48.8%)1.68 (1.07)
Race/ethnicity
 Black1026 (27.1%)140 (13.8%)504 (29.1%)531 (28.6%)2.30 (1.06)
 Hispanic1036 (12.2%)195 (11.6%)475 (12.5%)507 (12.7%)1.96 (1.08)
 White1093 (60.7%)305 (74.6%)553 (58.4%)589 (58.7%)1.69 (1.05)
Physical activity
 Low1244 (32.2%)185 (25%)546 (30.7%)580 (30.8%)2.14 (1.06)
 Medium1492 (51.2%)346 (57%)768 (52.3%)812 (51.9%)1.75 (1.05)
 High417 (16.6%)109 (18%)218 (17%)235 (17.3%)1.75 (1.08)
Smoking status
 Never1386 (45.2%)295 (48.5%)685 (46.3%)727 (46.3%)1.83 (1.05)
 Former1160 (36.2%)231 (35.6%)541 (35%)573 (34.8%)1.85 (1.05)
 Current608 (18.6%)113 (15.9%)306 (18.7%)327 (18.9%)2.03 (1.09)
Total Diet Quality score**0.67 0.02, 1.420.68 0.03, 1.430.69 0.03, 1.430.69 0.04, 1.43−0.02
Sleep duration
 <6.5 HR1477 (41.9%)238 (32.7%)706 (41.4%)740 (40.6%)2.08 (1.05)
 6.5–<8.0 HR881 (32.4%)221 (41%)443 (31.5%)473 (31.7%)1.61 (1.06)
 ≥8.0 HR795 (25.7%)181 (26.3%)383 (27.2%)414 (27.7%)1.89 (1.06)
HOMA-IR*1.86 (1.05)1.27 (1.05)1.86 (1.04)2.68 (0.12)NA
Family history of diabetes1686 (46.5%)276 (36.8%)751 (45.7%)792 (45.2)2.09 (1.05)

Geometric means are presented for categorical variables and weighted Pearson’s correlations are presented for continuous variables. Insulin resistance was collected on subjects with fasting glucose.
**Median interquartile range presented for skewed predictors.
***Conducted among nondiabetic subjects.