Page 45 - Portuguese Journal - SPORL - Vol 61. Nº1
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score obtained was 1.863 ±1.429 (0-5). It was reinforced by the short time of fulfillment of
found a significant difference between both all items, which demonstrates the feasibility
groups (P-value<0.001) (Table 6). of this version. Reproducibility is given by the
degree of stability of the information when
Factorial analysis: The anti-image correlation the measurement is repeated under similar
matrix reveals a strong correlation for each conditions. Our reliability coefficient was very
item (r>0.8) that validated their integration high indicating a homogenous reproducible
in analysis. The KMO statistic equal to 0,915 Portuguese version. The strength of any
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and significative Bartlett's test of sphericity research tool is directly linked to internal
(p-value < 0,001) validate the factorial solution. consistency. It measures whether several
All items have communalities higher than 0.4 items that propose to give the identical
(only item 15 has commonalities below 0.3 general construct produce similar scores. In
reveal little in common with the other items our study item to item relations were strong
and the extracted factors). Four factors were as Cronbach’s parametric statistic was 0.946,
extracted from the data: healthcare utilization making our European-Portuguese version
and infections (items 9, 8, 3, 2, 6, 4 and 5; factor a reliable one. Validity refers to the degree
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loadings: 0.87, 0.85, 0.84, 0.77, 0.76, 0.71 and to which a study or questionnaire accurately
0.67, respectively); airway and breathing (items reflects the precise concept that the researcher
7,1,11 and 13; factor loadings: 0.85, 0.77, 0.73, is attempting to give. Item to item correlations,
and 0.54, respectively); eating and swallowing correlations within each item, subscales, and
(items 12 and 14; factor loadings: 0.92 and 0.47, total score, had a positive relation with the initial
respectively). The three factors explain a total TAHSI - confirming the validity of our research
variance of 68%: the healthcare utilization tool. Discriminatory validity is that the degree
and infections factor explain 34,47%; airway to which a test or measure diverges from
and breathing 21,78%; eating and swallowing another measure whose underlying construct
11,80%. Cost of care (item 10 with factor loading is conceptually unrelated thereto the power
equal to 0.62 saturates in healthcare utilization of the questionnaire to differentiate between
and infections factor) and behavior (item 15 interventional and control groups. The high
with factor loading equal to 0.29 saturates statistically significant results regarding
in airway and breathing factor) did not meet comparing the whole score and subscale
criteria to load onto any of the three principal scores between both groups indicated that
factors and were included as separate our research tool is valid. Responsiveness
subscales. (Table 7) is the ability of the questionnaire to detect
changes of status over time. Our tool proved
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Discussion to be responsive, this can be confirmed by
Goals proposed: The main goal of this study comparing the overall score and subscale
was to adapt and validate the European- scores before and after the procedure, which
Portuguese version of the TAHSI with an showed respectively higher and lower scores.
analysis of the advantages of the psychological Also, these results were statistically significant.
dimension. This can only be archived if the tool The psychometric merits of our version
matches the original version. coincide with the initial English study tool and
Arabic version with the identical 6 domains. 2,10
Translation and evaluation of the statistical They also coincide with other versions just
power of EP-TAHSI: The adequate translation like the Spanish version which used only 5
was established by following the principles domains.
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of forward and backward translation - this
allowed the assembly of a version of an Limitations: The varied limitations which can
easy and reliable answer. This can be also be stated about our study can be the actual
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Volume 61 . Nº1 . March 2023 45
