Italian translation, cultural adaptation and validation of the PedsQL™ 3.0 Diabetes Module questionnaire in children with type 1 diabetes and their parents

d’Annunzio, Giuseppe; Gialetti, Sara; Carducci, Chiara; Rabbone, Ivana; Lo Presti, Donatella; Toni, Sonia; Zito, Eugenio; Bolloli, Sara; Lorini, Renata; Della Casa Alberighi, Ornella

doi:10.1186/s12955-014-0115-2

Table 4 PedsQL™ 3.0 diabetes module questionnaire factor loadings for child self-reports*

From: Italian translation, cultural adaptation and validation of the PedsQL™ 3.0 Diabetes Module questionnaire in children with type 1 diabetes and their parents

Item	Factor 1	Factor 2	Factor 3	Factor 4	Factor 5	Factor 6	Factor 7	Factor 8	Factor 9	Factor 10
Diabetes symptoms
1	0.07	0.081	0.055	0.652	0.173	0.089	−0.216	0.013	−0.103	0.06
2	−0.136	0.191	−0.048	0.149	0.576	−0.031	−0.052	−0.219	0.06	0.207
3	0.099	0.152	0.046	−0.114	0.439	0.321	−0.005	−0.169	−0.078	0.327
4	0.047	−0.049	0.073	0.056	−0.038	0.097	−0.032	0.005	−0.11	0.811
5	0.115	0.149	−0.154	0.02	0.089	0.117	0.013	0.666	−0.005	0.037
6	−0.118	0.745	0.072	−0.008	−0.033	0.078	−0.059	0.326	−0.134	−0.155
7	−0.021	0.368	0.078	0.291	0.221	−0.101	−0.028	0.283	−0.06	0.174
8	0.084	0.744	−0.052	−0.089	−0.055	−0.015	0.001	−0.097	0.33	0.065
9	0.149	0.603	−0.061	0.368	−0.004	0.01	0.211	−0.206	0.067	0.077
10	0.201	−0.037	0.052	0.032	−0.041	−0.024	0.163	0.35	0.086	0.391
11	0.23	0.053	−0.04	0.435	0.01	0.068	0.052	0.099	0.241	0.235
Treatment barriers
1	0.049	0.156	0.504	−0.191	−0.197	0.079	−0.159	0.384	0.132	0.058
2	−0.012	−0.105	0.796	−0.01	−0.039	−0.011	−0.09	−0.175	0.124	0.231
3	0.218	−0.156	0.131	0.335	−0.037	0.136	0.095	0.015	0.544	−0.135
4	−0.008	−0.034	0.547	0.355	0.008	0.005	0.143	0.246	0.269	−0.182
Treatment adherence
1	0.015	0.169	0.084	−0.133	0.115	0.006	−0.004	−0.036	0.733	−0.061
2	0.315	0.005	0.123	−0.478	0.493	0.093	0.005	0.169	0.046	−0.011
3	−0.174	0.084	−0.016	0.037	0.169	0.038	0.531	0.156	0.254	0.239
4	0.131	0.032	0.429	0.371	0.066	0.019	0.432	−0.025	−0.299	−0.09
5	−0.017	−0.025	−0.075	−0.094	−0.091	0.117	0.79	−0.133	−0.008	−0.111
6	0.027	−0.165	−0.047	0.063	0.735	−0.02	0.099	0.136	0.075	−0.155
7	−0.046	0.016	0.073	−0.164	0.201	−0.143	0.462	0.293	−0.038	0.162
Worry
1	0.274	0.061	−0.154	0.039	−0.03	0.656	0.13	0.016	−0.144	−0.062
2	−0.176	0.001	0.039	−0.089	−0.085	0.778	0.032	−0.011	0.081	0.16
3	−0.122	−0.108	0.184	0.253	0.229	0.575	−0.126	0.179	0.156	−0.078
Communication
1	0.795	−0.009	0.057	0.075	−0.141	−0.007	−0.042	0.005	0.047	0.054
2	0.867	−0.004	−0.023	−0.044	0.121	−0.044	−0.068	0.056	0.023	0.039
3	0.263	0.244	0.567	−0.075	0.145	0.098	0.121	−0.315	−0.135	0.135

* Reported for ages 5 years and older.
PedsQL™3.0 for child self-reports could be summarized into 10 components, which explain the 62% of the variance. Eingenvalue cut off value: 1.0; bold = highest factor loading for each item.

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