Disordered eating and body change behaviours: support for the Tripartite Influence Model among Brazilian male university students

Carvalho, Pedro Henrique Berbert de; Ferreira, Maria Elisa Caputo

doi:10.1590/1413-812320202511.35572018

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ARTICLE • Ciênc. saúde coletiva 25 (11) • Nov 2020 • https://doi.org/10.1590/1413-812320202511.35572018 copy

Disordered eating and body change behaviours: support for the Tripartite Influence Model among Brazilian male university students

Comportamentos de risco para transtornos alimentares e de mudança corporal: suporte ao Modelo dos Três Fatores para adultos brasileiros

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The Tripartite Influence Model posits that sociocultural influences mediated by internalization and social comparison are predictors of disordered eating and body change behaviours. This study aimed to test the Tripartite Influence Model among Brazilian male university students, which has not been tested yet. 707 undergraduate students of the five Brazilian regions, completed measures of sociocultural influences, internalization, social comparison, body and muscularity dissatisfaction, disordered eating and body change behaviours. Structural equation modelling analyses showed good model-fitting. Parental influence was related to internalization, while peer influence with social comparison. Media influences were related to both internalization and social comparison. Internalization and social comparison are mediating variables that are related to body dissatisfaction and muscularity dissatisfaction. Finally, muscularity dissatisfaction was associated with body change behaviours.

Key words
Body image; Feeding and eating disorders; Men’s health; Risk factors

Variables	Internal consistency (Cronbach's α)	Descriptive Mean (SD)
TIS (Parental influence)	.87	34.92 (10.85)
TIS (Peer influence)	.89	27.51 (8.46)
TIS (Media influence)	.81	23.20 (7.56)
SATAQ-3 (Internalization)	.91	27.73 (10.49)
MBCQ (Social comparison)	.93	13.70 (6.40)
BSQ-8 (Body dissatisfaction)	.84	16.16 (7.92)
DMS (Muscularity dissatisfaction)	.91	16.12 (7.51)
DMS (Body change behaviours)	.84	13.97 (7.38)
Disordered eating	.70	6.21 (1.63)

Variables	1	2	3	4	5	6	7	8	9
1. TIS (Parental influences)	-
2. TIS (Peer influences)	.42	-
3. TIS (Media influences)	.26	.37	-
4. SATAQ-3 (Internalization)	.24	.28	.40	-
5. MBCQ (Social comparison)	.17	.30	.29	.65	-
6. BSQ-8 (Body dissatisfaction)	.29	.38	.37	.32	.24	-
7. DMS (Muscularity dissatisfaction)	.21	.28	.27	.56	.50	.37	-
8. DMS (Body change behaviours)	.25	.25	.27	.40	.45	.14	.50	-
9. Disordered eating	.17	.23	.19	.14	.19	.47	.14	.12	-

Paths	β	SE	CR	p
Social comparison ← Peer influences	.393	.069	5.704	.0001^* * p < .05.
Social comparison ← Media influences	.285	.085	3.370	.0001^* * p < .05.
Internalization ← Parental influences	.116	.056	2.082	.037^* * p < .05.
Internalization ← Media influences	.261	.063	4.173	.0001^* * p < .05.
Internalization ← Social comparison	.484	.034	14.106	.0001^* * p < .05.
Body dissatisfaction ← Social comparison	.120	.058	2.082	.037^* * p < .05.
Muscularity dissatisfaction ← Social comparison	.585	.083	7.031	.0001^* * p < .05.
Body dissatisfaction ← Internalization	.403	.065	6.159	.0001^* * p < .05.
Muscularity dissatisfaction ← Internalization	.649	.094	6.942	.0001^* * p < .05.
Body change behaviours ← Muscularity dissatisfaction	.233	.021	10.880	.0001^* * p < .05.

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[1] Collaborations

PHB Carvalho and MEC Ferreira participated in all stages of the research, considering data delineation, analysis and interpretation; writing of the article and approval of the version to be published.