Table 5 Reliability analysis of 25-item ADDQoL-Teen (whole sample)
Item | Scale mean if item deleted | Scale variance if item deleted | Corrected item-total correlation | Alpha if item deleted |
|---|---|---|---|---|
1: others fuss | -44.67 | 1412.16 | 0.4881 | 0.9102 |
2: sweets | -44.33 | 1357.63 | 0.6016 | 0.9079 |
3: drink | -45.60 | 1429.77 | 0.5125 | 0.9103 |
4: eat | -44.56 | 1363.22 | 0.5800 | 0.9084 |
5: insulin | -44.50 | 1334.19 | 0.6447 | 0.9070 |
6: bleed | -44.37 | 1391.05 | 0.5024 | 0.9099 |
8: interrupt do | -44.56 | 1364.32 | 0.5632 | 0.9088 |
9: finger tests | -44.59 | 1385.38 | 0.4451 | 0.9114 |
10: control | -45.51 | 1426.39 | 0.3727 | 0.9121 |
11: moody | -44.35 | 1376.36 | 0.5240 | 0.9096 |
12: unwell | -44.19 | 1391.50 | 0.4842 | 0.9103 |
15: wake nights | -45.15 | 1423.99 | 0.5022 | 0.9102 |
16: lie in bed | -44.75 | 1404.51 | 0.3802 | 0.9127 |
17: miss events | -46.22 | 1442.99 | 0.4281 | 0.9114 |
18: low BG | -45.28 | 1430.58 | 0.4483 | 0.9109 |
19: high BG | -44.33 | 1392.77 | 0.5171 | 0.9096 |
20: worry future | -44.64 | 1377.43 | 0.5054 | 0.9100 |
21: career | -44.42 | 1364.17 | 0.5803 | 0.9084 |
22: different | -45.20 | 1362.36 | 0.7117 | 0.9062 |
23: not allowed | -44.55 | 1361.46 | 0.6364 | 0.9073 |
24: family life | -45.16 | 1372.68 | 0.6134 | 0.9078 |
25: responsibility | -45.50 | 1415.25 | 0.4332 | 0.9111 |
26: play sport | -45.26 | 1396.84 | 0.5138 | 0.9097 |
27: go toilet | -45.38 | 1422.21 | 0.5002 | 0.9102 |
28: social life | -44.09 | 1349.43 | 0.5856 | 0.9083 |