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Table 2 Individual characteristics and environmental features for the analytic samples

From: Local descriptive body weight and dietary norms, food availability, and 10-year change in glycosylated haemoglobin in an Australian population-based biomedical cohort

Individual-level characteristic (baseline)

Overweight/obesity norm models (n = 1890)a n (%)

Insufficient fruit intake norm models (n = 1945)a n (%)

Length of follow-up (years)b

6.84 (4.59-8.36)

6.84 (4.54-8.36)

Sex (male)

840 (44.4%)

864 (44.4%)

Age in yearsc

49.9 (15.2)

50.0 (15.2)

Ethnicity:

 Born in Australia/New Zealand/Western Europe

1698 (90.2%)

1748 (90.2%)

Employment:

 Full-time employed

727 (38.8%)

747 (38.7%)

 Part-time employed

348 (18.6%)

357 (18.5%)

 Not in work-force

800 (42.7%)

826 (42.8%)

Education:

 Not university graduate

1639 (87.0%)

1689 (87.1%)

 University graduate

245 (13.0%)

250 (12.9%)

Smoking status:

 Current smoker

325 (17.4%)

335 (17.4%)

 Ex-smoker

631 (33.7%)

650 (33.8%)

 Never smoked

915 (48.9%)

940 (48.8%)

Marital status:

 Single

663 (35.3%)

686 (35.5%)

 Married/de facto

1215 (64.7%)

1247 (64.5%)

HbA1c concentration (%)c

5.43 (0.45)

5.43 (0.45)

Environmental features

Mean (SD)

Mean (SD)

1600 m buffer area (km2)b

3.90 (3.29-4.83)

3.90 (3.29-4.84)

  Contextual features

  Fast-food outlets (count)

5.5 (3.9)

5.5 (3.9)

  Fast-food outlet density (count/buffer km2)

1.67 (1.26)

1.65 (1.26)

  Healthful food resources (count)

4.1 (3.4)

4.0 (3.4)

  Healthful food resource density (count/buffer km2)

1.01 (0.89)

1.01 (0.89)

  Compositional features

  Overweight/obesity norm (BMI ≥ 25 kg/m2)

62.97% (2.21%)

-

   n(SAMSS participants) per bufferb

91 (72–116)

-

  Insufficient fruit intake norm (<2 serves daily)

-

53.82% (6.55%)

   n(SAMSS participants) per bufferb

-

96 (76–122)

  Area-level education (% with university degree)

10.19% (5.17)

10.09% (5.18)

  1. a total n may vary due to missing values for some variables at baseline; b median (IQR); c mean/SD