Evidence of Validity of the Knowledge Assessment Instrument on Metabolic Syndrome

Ferret, Jhainieiry Cordeiro Famelli; Oliveira, Leonardo Pestillo de; Branco, Braulio Henrique Magnani; Bernuci, Marcelo Picinin

doi:10.1590/1982-4327e3418

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Psychology of Health • Paidéia (Ribeirão Preto) 34 • 2024 • https://doi.org/10.1590/1982-4327e3418 copy

Evidence of Validity of the Knowledge Assessment Instrument on Metabolic Syndrome

Evidências de Validade do Instrumento de Avaliação de Conhecimentos sobre Síndrome Metabólica

Evidencia de validez del Instrumento de Evaluación de Conocimientos sobre Síndrome Metabólico

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract:

This study aimed to develop and validate an instrument to analyze adults’ knowledge about metabolic syndrome. The instrument was developed via documentary research, resulting in 40 statements with Likert-type responses, organized into three domains: (1) knowledge about obesity and related diseases; (2) knowledge about risk factors; and (3) knowledge about protective factors. Experts’ analysis of the construct and testing on 600 participants were used to validate the instrument. Exploratory factor analysis indicated that six assertions had very low factor loadings and were excluded, resulting in 34 assertions. The final version of the instrument presented satisfactory internal consistency indicators, guaranteeing the first evidence of the instrument accuracy in assessing adults’ knowledge about metabolic syndrome.

Keywords:
patient health questionnaire; metabolic syndrome; health promotion; non communicable diseases

		Individual CVC
Item	Clarity	Adequacy	Relevance
1	1.0	0.9	1.0
2	1.0	0.9	1.0
3	0.8	0.8	0.9
4	1.0	0.9	0.8
5	1.0	0.9	1.0
6	1.0	1.0	1.0
7	1.0	1.0	1.0
8	0.8	0.8	0.8
9	0.9	0.9	0.9
10	1.0	0.9	1.0
11	1.0	0.9	1.0
12	0.8	0.8	0.8
13	0.9	1.0	1.0
14	0.9	0.9	0.9
15	0.9	0.9	0.8
16	1.0	1.0	1.0
17	1.0	1.0	1.0
18	1.0	0.9	0.9
19	1.0	1.0	0.9
20	0.9	0.8	0.8
21	1.0	1.0	0.8
22	1.0	0.9	1.0
23	1.0	0.9	0.9
24	0.9	0.8	1.0
25	1.0	1.0	0.9
26	0.9	1.0	0.9
27	1.0	0.8	1.0
28	0.9	0.9	0.9
29	0.8	0.8	0.8
30	1.0	1.0	1.0
31	0.9	0.8	0.9
32	1.0	1.0	1.0
33	1.0	1.0	1.0
34	1.0	0.9	1.0
35	1.0	1.0	0.8
36	0.9	0.9	0.8
37	1.0	1.0	1.0
38	0.9	0.9	1.0
39	1.0	1.0	0.8
40	1.0	1.0	1.0
Total	0.9

Gender	N	%
Female	426	71
Male	174	29
Age group
18 – 30	156	26
31 – 50	246	41
51 – 70	174	29
71 – 90	24	4
Schooling
No schooling	15	2.5
Complete Primary Education	96	16
Complete Secondary Education	288	48
Complete Tertiary Education	168	28
Specialization course	9	1.5
Master / Doctoral degree	24	4
Race
Black	30	5
Mixed race	87	14.5
White	474	79
Asian	9	1.5

Item	Factor loading	h ²	Cronbach’s alpha	McDonald’s Omega
1	0.4	0.15	0.93	0.93
2	0.4	0.14
3	0.5	0.28
4	0.5	0.27
5	0.4	0.20
6	0.5	0.24
7	0.5	0.24
8	0.5	0.22
9	0.4	0.20
10	0.6	0.36
11	0.6	0.32
12	0.5	0.29
13	0.4	0.12
14	0.4	0.15
15	0.5	0.21
16	0.5	0.24
17	0.6	0.36
18	0.7	0.43
19	0.7	0.44
20	0.5	0.27
21	0.6	0.37
22	0.5	0.27
23	0.6	0.33
24	0.5	0.22
25	0.7	0.49
26	0.7	0.51
27	0.6	0.35
28	0.6	0.40
29	0.6	0.31
30	0.7	0.45
31	0.7	0.42
32	0.6	0.38
33	0.6	0.36
34	0.7	0.42

	Instrument for Measuring Knowledge of MS
Chi-squared ꭓ²(df/p-value)	2147.932 (527/0.00)
RMSEA (90% CI )	0.065 (0.063;0.068)
TLI	0.91
CFI	0.91
CC	0.96
AVE	0.46

Universidade de São Paulo, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Programa de Pós-Graduação em Psicologia Av.Bandeirantes 3900 - Monte Alegre, 14040-901 Ribeirão Preto, Tel.: (55 16) 3315-3829 - Ribeirão Preto - SP - Brazil
E-mail: paideia@usp.br

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[1] Correspondence address:
Jhainieiry Cordeiro Famelli Ferret. Universidade Cesumar. Av. Guedner, 1610, Maringá-PR, Brazil. CEP 87.050-390. E-mail: jhainieiry@gmail.com