Table 1 Demographics of subjects with T1DM

Age at visit (years)

15.8 ± 0.2

16.5 ± 0.3

Duration (years)

7.7 ± 0.4**

2.5 ± 0.312.17 ± 0.19

Age at Menarche (years)

12.81 ± 0.09*

A1c (%)

9.4 ± 0.14

8.8 ± 0.32

Insulin dose (units/kg body weight/day)

1.02 ± 0.02**

0.0.76 ± 0.05

BMI (kg/m2)

23.8 ± 0.4

23.9 ± 1.0

BMI z score

0.74 ± 0.05

0.56 ± 0.14

Overweight (≥ 85th percentile for age) (%)

32

35

Total physical activity

Number of days of physical activity over last 7 days that the subject was physically active for at least 60 minutes per day

2.6 ± 0.4

2.6 ± 0.2

In a typical week the number of days that they are physically active for at least 60 minutes per day

3.0 ± 0.3

3.2 ± 0.2

Race/Ethnicity (%)

White

82

79

Hispanic

8

5

Other

0

6

Breast tanner staging (%)

3

2

3

4

12

28

5

86

69

Pubic tanner staging

3

5

4

4

9

24

5

86

72

Irregular menstrual periods (%)

34

36