Table 1.
Correlations and Descriptives Among Study Variables
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. Baseline HbA1c | — | |||||||||
| 2. 6-month HbA1c | 0.434*** | — | ||||||||
| 3. Pump start | −0.146 | −0.235** | — | |||||||
| 4. CGM start | −0.020 | −0.267*** | 0.615*** | — | ||||||
| 5. Duration of T1D | 0.086 | 0.262** | −0.199* | −0.081 | — | |||||
| 6. Child age | −0.126 | −0.074 | 0.007 | −0.123 | −0.085 | — | ||||
| 7. Child sex | 0.161 | 0.125 | −0.047 | −0.058 | −0.064 | 0.125 | — | |||
| 8. Child race/ethnicity | −0.078 | −0.057 | −0.058 | −0.012 | 0.136 | 0.027 | 0.034 | — | ||
| 9. Marital status | −0.169 | −0.216* | 0.181 | 0.168 | 0.113 | −0.123 | −0.268*** | 0.026 | — | |
| 10. Family income | −0.275*** | −0.269*** | 0.177 | −0.038 | −0.009 | −0.079 | −0.362*** | 0.047 | 0.446*** | — |
| Mean ± SD | ||||||||||
| Total, n = 111 | 7.65 ± 1.40 | 8.05 ± 1.08 | — | — | 4.70 ± 3.28 | 7.51 ± 1.37 | — | — | — | — |
| Pump start, n = 39 (No Pump start, n = 72) | 7.38 ± 1.17 (7.81 ± 1.50) | 7.71 ± 0.77 (8.24 ± 1.18) | — | — | 3.82 ± 2.92 (5.18 ± 3.38) | 7.71 ± 0.77 (7.51 ± 1.25) | — | — | — | — |
| CGM start, n = 28 (No CGM start, n = 83) | 7.61 ± 1.34 (7.68 ± 1.43) | 7.55 ± 0.78 (8.22 ± 1.12) | — | — | 4.25 ± 3.33 (4.86 ± 3.27) | 7.22 ± 1.42 (7.61 ± 1.34) | — | — | — | — |
| Percentile, 25th; 50th; 75th | ||||||||||
| Total, n = 111 | — | — | — | — | 3.0; 4.0; 7.0 | 6.5; 8.0; 9.0 | — | — | — | — |
| Pump start, n = 39 (No Pump start, n = 72) | — | — | — | — | 2.0; 3.0; 4.0 (3.0; 4.0; 8.5) | 6.0; 7.0; 9.0 (7.0; 8.0; 8.0) | — | — | — | — |
| CGM start, n = 28 (No CGM start, n = 83) | — | — | — | — | 3.0; 3.0; 6.0 (3.0; 4.0; 7.0) | 6.0; 7.0; 8.2 (7.0; 8.0; 9.0) | — | — | — | — |
Duration of T1D = Duration of T1D diagnosis in months; Point-biserial correlations shown for correlations between continuous and dichotomous variables (Pump start: 0 = No pump start between baseline and 6-month follow-up, 1 = Pump start between baseline and 6-month follow-up; CGM start: 0 = No CGM start between baseline and 6-month follow-up, 1 = CGM start between baseline and 6-month follow-up; Child sex: 0 = female, 1 = male; Child race/ethnicity: 0 = Non-White, Hispanic, 1 = White, Non-Hispanic; Marital status: 0 = not married or living together; 1 = married or living together).
P < 0.05; **P < 0.01; ***P < 0.001.
CGM, continuous glucose monitor; HbA1c, hemoglobin A1c; T1D, type 1 diabetes.