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. 2020 Oct 23;11:548417. doi: 10.3389/fphys.2020.548417

TABLE 1.

Descriptive characteristics and activity profile of children and adolescent with type 1 diabetes across visits.

Visit 0
Visit 1
Visit 2
Paired t-test
Children (n = 28) Adolescents (n = 33) Children (n = 28) Adolescents (n = 33) Children (n = 25) Adolescents (n = 33) FT p
Study population characteristics
Sex (% boys) 55 57 55 57 60 57
Age (years) 7.1 ± 0.6 15.2 ± 0.3a 8.1 ± 0.7b 16.1 ± 0.6ab 9.2 ± 0.4b 17.3 ± 0.3ab 21 <0.01
Weight (kg) 30 ± 3 65 ± 3a 50 ± 2b 70 ± 10ab 59 ± 1b 74 ± 5ab 29 <0.01
Height (cm) 130 ± 3 165 ± 2a 136 ± 6b 164 ± 4ab 148 ± 4a 164 ± 8ab 32 <0.01
BMI percentile 61 ± 11 80 ± 13a 69 ± 17b 86 ± 14ab 72 ± 1 3b 88 ± 16ab 29 <0.01
HbA1c (%) 7.1 ± 1.9 7.2 ± 2.19 7.2 ± 0.6 7.3 ± 0.7 7.2 ± 1.1 7.1 ± 1.2 9.3 0.43
Sometimes experience PA hypoglycemia (%) 45 ± 3 76 ± 2a 40 ± 1 86 ± 2ab 46 ± 1 90 ± 2ab 19 <0.01
Sometimes experience PA hyperglycemia (%) 20 ± 3 21 ± 1 18 ± 2 18 ± 1 22 ± 1 17 ± 3 8.6 0.54
Barriers to Active Lifestyles measured by the BAPAD-1
Diabetes-specific barriers to PA with score ≥ 4 n (%) 21 44 24 39 23 47
Loss of control over diabetes 2.2 ± 1.6 2.8 ± 1.8 2.7 ± 1.6 3.6 ± 1.9 2.6 ± 1.1 3.2 ± 1.9 10.6 0.64
Fear of hypoglycemia 2.7 ± 1.4 3.1 ± 1.9 2.7 ± 1.6 2.8 ± 1.9 2.6 ± 1.9 3.2 ± 1.8ab 16 <0.05
Fact that you have diabetes 2.1 ± 1.5 2.4 ± 1.6 2.2 ± 1.5 2.9 ± 1.1 1.6 ± 1.7 3.1 ± 1.9a 14 <0.05
Risk of hyperglycemia 1.9 ± 1.1 2.1 ± 1.7 2.1 ± 1.1 1.9 ± 1.6 2.3 ± 1.4 1.9 ± 1.1 9.6 0.44
Diabetes-universal barriers to PA with score ≥ 4 n (%) 18 20 18 19 21 24
Fear of hurting self 2.1 ± 1.1 1.9 ± 0.1 2.2 ± 1.2 1.8 ± 0.3 1.9 ± 0.8 1.8 ± 0.6 8.7 3.2
Low fitness level 2.1 ± 1.6 2.2 ± 0.9 2.1 ± 1.3 1.9 ± 0.7 2.1 ± 0.7 1.9 ± 0.9 7.7 2.4
Weather conditions 2.6 ± 1.6 2.6 ± 1.6a 2.7 ± 1.1 2.9 ± 1.4a 2.1 ± 1.7 3.2 ± 0.9a 14 <0.05
Sport Center proximity 1.8 ± 1.3 1.7 ± 1.1 1.6 ± 1.1 1.6 ± 1.1 1.7 ± 1.5 1.5 ± 0.7 9.7 4.4
School/Work schedule 1.6 ± 0.9 2.6 ± 1.2a 1.4 ± 0.7 2.9 ± 0.9a 1.1 ± 0.9 2.7 ± 1.2a 16 <0.05
Actual physical health status (excluding diabetes) 1.9 ± 1.5 1.8 ± 1.4 1.9 ± 0.9 1.9 ± 0.7 1.7 ± 0.5 1.7 ± 0.7 4.9 2.1
Total BAPAD-1 score 2.1 ± 1.4 2.3 ± 1.3 2.2 ± 0.9 2.4 ± 0.8 1.9 ± 0.8 2.4 ± 0.9 6.3 5.1
Self-reported PA and screen time information
Total screen time⋅day–1 (h) (TV, video games, computer) 1.8 ± 1.2 2.8 ± 1.8a 1.6 ± 1.3 2.9 ± 1.1a 2.2 ± 1.2 2.9 ± 0.8a 26 <0.01
Total time in MVPA.day–1 (min) 41 ± 11 52 ± 14a 44 ± 09 56 ± 12a 41 ± 06 56 ± 13a 26 <0.01
Total time in VPA.day–1 (min) 27 ± 09 8 ± 02a 23 ± 07 5 ± 04a 26 ± 11 4.3 ± 03a 19 <0.01
Number of day spent on VPA per week 3.1 ± 0.2 1.8 ± 0.2a 2.9 ± 0.8 1.1 ± 0.3a 3.2 ± 0.8 1.4 ± 0.8a 15 <0.01

Values are mean (standard deviation). BMI, body mass index; HbA1c, glycated hemoglobin; PA, physical activity; n (%), number in percentage; MVPA, moderate to vigorous physical activity; VPA, vigorous physical activity; BAPAD-1, Barriers to Physical Activity in Type 1 Diabetes; h, hour; min, minute. Significant difference between groups (ap < 0.01). Significant difference from previous visit values (bp < 0.01).