TikTok and Instagram as Putative Social Media in Promoting Healthy Eating Habits in Youths At-Risk for Eating/Feeding Disorders and Body Image Dissatisfaction
Highlights
- TikTok use was significantly associated with higher risk of eating and feeding disorders (FEDs) and body image concerns, and it was more frequently used by participants screening positive for FED risk.
- Both TikTok and Instagram were linked to body dissatisfaction, while overall FED risk was predicted by TikTok use, higher problematic social media use scores, exposure to body positivity/neutrality content, and watching Mukbang videos.
- TikTok and Instagram may represent effective communication channels for delivering prevention and educational interventions targeting young people at risk of eating disorders.
- Prevention strategies should be tailored according to specific vulnerabilities within the eating disorder spectrum, and further longitudinal research is needed to confirm effectiveness.
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Design and Recruitment Strategies
2.2. Survey Design
2.3. Measurements
2.4. Sample Size Calculation
2.5. Statistical Analysis
3. Results
3.1. Socio-Demographic and Clinical Characteristics of the Sample
3.2. SNS-Related Characteristics of the Sample
3.3. FED-Related Characteristics of the Sample
3.4. SNS-Related Characteristics of the Sample Focussing on Eating Habits and/or Nutritional SNS-Delivered Topics
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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| Total Sample (n = 283) | SCOFF+ (n = 158) | SCOFF– (n = 125) | p-Value | |
|---|---|---|---|---|
| Sex | ||||
| Males, N (%) | 87 (30.7%) | 35 (22.2%) | 52 (41.6%) | χ2 = 12.397 p < 0.001 |
| Females, N (%) | 196 (69.3%) | 123 (77.8%) | 73 (58.4%) | |
| Gender Identity | ||||
| Cisgender, N (%) | 257 (90.8%) | 145 (91.8%) | 112 (89.6%) | χ2 = 1.790 p = 0.686 |
| Transgender, N (%) | 11 (3.9%) | 6 (3.8%) | 5 (4.0%) | |
| Agender, N (%) | 1 (0.4%) | 1 (0.6%) | 0 (0.0%) | |
| Non-binary, N (%) | 14 (4.9%) | 6 (3.8%) | 8 (6.4%) | |
| Age, years | ||||
| Age, M (SD) | 24.5 (5.9) | 24.9 (6.4) | 24.1 (5.1) | p = 0.956 * |
| Educational level, years | ||||
| Education, M (SD) | 14.3 (2.9) | 14.5 (3.1) | 14.1 (2.7) | p = 0.232 * |
| Occupational status | ||||
| Student, yes, N (%) | 204 (72.1%) | 116 (56.9%) | 88 (43.1%) | χ2 = 0.316 p = 0.334 |
| Anthropometric data | ||||
| Underweight, N (%) | 17 (6.0%) | 9 (5.7%) | 8 (6.4%) | χ2 = 7.910 p = 0.095 |
| Normal weight, N (%) | 200 (70.9%) | 103 (65.2%) | 97 (77.6%) | |
| Overweight, N (%) | 51 (17.7%) | 35 (22.2%) | 16 (12.8%) | |
| Obesity I level, N (%) | 12 (4.3%) | 8 (5.1%) | 4 (3.2%) | |
| Obesity II level, N (%) | 3 (1.1%) | 3 (1.9%) | 0 (0%) | |
| BMI, M (SD) | 23.1 (3.7) | 23.6 (4.1) | 22.5 (3.1) | p = 0.107 * |
| FED history | ||||
| FED current, yes, N (%) | 9 (3.2%) | 9 (5.7%) | 0 (0%) | χ2 = 17.138 p < 0.001 |
| FED past, yes, N (%) | 29 (10.2%) | 25 (15.8%) | 4 (3.2%) | |
| Total Sample (n = 283) | SCOFF+ (n = 158) | SCOFF– (n = 125) | p-Value | |
|---|---|---|---|---|
| SNS use, yes, N (%) | 279 (98.6%) | 153 (98.7%) | 123 (98.4%) | χ2 = 0.056 p = 0.596 |
| Instagram use, yes, N (%) | 265 (93.6%) | 147 (93%) | 118 (94.4%) | χ2 = 0.217 p = 0.807 |
| Tik Tok use, yes, N (%) | 153 (54.1%) | 86 (54.4%) | 44 (35.2%) | χ2 = 10.392 p = 0.002 |
| BeReal use, yes, N (%) | 62 (21.9%) | 39 (24.7%) | 23 (18.4%) | χ2 = 1.611 p = 0.247 |
| Facebook use, yes, N (%) | 131 (46.3%) | 69 (43.7%) | 62 (49.6%) | χ2 = 0.987 p = 0.339 |
| Snapchat use, yes, N (%) | 12 (4.2%) | 7 (4.4%) | 5 (4.0%) | χ2 = 0.032 p = 0.551 |
| SNS-related scales | ||||
| BSMAS, M (SD) | 13.5 (4.5) | 14.4 (4.6) | 12.5 (4.1) | t = −3.719 p < 0.001 |
| PSMU, yes, N (%) | 6 (2.1%) | 4 (2.5%) | 2 (1.6%) | χ2 = 0.292 p = 0.697 |
| SNS behaviors related to eating and/or nutritional contents | ||||
| Looking at SNS profiles related to the topic of healthy eating and/or dietary style, yes, N (%) | 195 (68.9%) | 120 (75.9%) | 75 (60%) | χ2 = 8.286 p = 0.005 |
| Looking at SNS profiles related to the topic of fitness, yes, N (%) | 210 (74.2%) | 125 (79.1%) | 85 (68%) | χ2 = 4.503 p = 0.040 |
| Looking at SNS profiles related to the promotion of alternative eating style, yes, N (%) | 34 (12.0%) | 24 (15.2%) | 10 (8.0%) | χ2 = 3.413 p = 0.069 |
| Looking at SNS profiles promoting positive/neutrality movement, yes, N (%) | 139 (49.1%) | 91 (57.6%) | 48 (38.4%) | χ2 = 10.288 p = 0.002 |
| SNS behaviors related to Mukbang phenomenon | ||||
| Looking at SNS profiles related to the topic of Mukbang, yes, N (%) | 105 (37.1%) | 73 (46.2%) | 32 (25.6%) | χ2 = 12.694 p < 0.001 |
| MAS, M (SD) | 7.1 (2.3) | 7.3 (2.6) | 6.6 (1.1) | t = −1.577 p = 0.118 |
| Tiktok Use | B | SE | Wald | df | p-Value | Exp (B) | 95% CI Exp (B) | |
|---|---|---|---|---|---|---|---|---|
| SCOFF positive | 0.685 | 0.252 | 7.392 | 1 | 0.007 | 1.984 | 1.211 | 3.251 |
| I spend a lot of time in front of the mirror, yes | 0.674 | 0.333 | 4.086 | 1 | 0.043 | 1.962 | 1.021 | 3.772 |
| Instagram use | B | SE | Wald | df | p-value | Exp (B) | 95% CI Exp (B) | |
| My physical appearance is disappointing compared to my ideal image, yes | 1.367 | 0.515 | 7.033 | 1 | 0.008 | 3.923 | 1.429 | 10.775 |
| Looking at SNS profiles related to the topic of healthy eating and/or dietary style, yes | −1.351 | 0.515 | 6.870 | 1 | 0.009 | 0.259 | 0.094 | 0.711 |
| BeReal use | B | SE | Wald | df | p-value | Exp (B) | 95% CI Exp (B) | |
| Feeling to be fat even if others told you that you were too thin, yes | −0.882 | 0.299 | 8.734 | 1 | 0.003 | 0.414 | 0.231 | 0.743 |
| Looking at SNS profiles related to the promotion of alternative eating style, yes | 1.307 | 0.631 | 4.296 | 1 | 0.038 | 3.697 | 1.074 | 12.726 |
| Total Sample | B | SE | Wald | df | p-Value | Exp (B) | 95% CI Exp (B) | |
|---|---|---|---|---|---|---|---|---|
| TikTok use, yes | 0.532 | 0.265 | 4.040 | 1 | 0.044 | 1.702 | 1.013 | 2.860 |
| BSMAS total score | 0.078 | 0.031 | 6.457 | 1 | 0.011 | 1.082 | 1.018 | 1.149 |
| Looking at SNS profiles related to the topic of body positivity and/or neutrality style, yes | 0.670 | 0.255 | 6.908 | 1 | 0.009 | 1.955 | 1.186 | 3.222 |
| Looking at SNS profiles related to the topic of Mukbang, yes | 0.598 | 0.280 | 4.557 | 1 | 0.033 | 1.818 | 1.050 | 3.148 |
| Only female sample | B | SE | Wald | df | p-value | Exp (B) | 95% CI Exp (B) | |
| Looking at SNS profiles related to the topic of eating style, yes | 0.985 | 0.348 | 7.997 | 1 | 0.005 | 2.679 | 1.353 | 5.304 |
| Looking at SNS profiles related to the topic of Mukbang, yes | 1.174 | 0.342 | 11.780 | 1 | <0.001 | 3.235 | 1.655 | 6.324 |
| Only male sample | B | SE | Wald | df | p-value | Exp (B) | 95% CI Exp (B) | |
| BSMAS | 0.109 | 0.055 | 3.926 | 1 | 0.048 | 1.115 | 1.001 | 1.241 |
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Orsolini, L.; Longo, G.; Cantarini, T.; Reina, S.; Volpe, U. TikTok and Instagram as Putative Social Media in Promoting Healthy Eating Habits in Youths At-Risk for Eating/Feeding Disorders and Body Image Dissatisfaction. Brain Sci. 2026, 16, 379. https://doi.org/10.3390/brainsci16040379
Orsolini L, Longo G, Cantarini T, Reina S, Volpe U. TikTok and Instagram as Putative Social Media in Promoting Healthy Eating Habits in Youths At-Risk for Eating/Feeding Disorders and Body Image Dissatisfaction. Brain Sciences. 2026; 16(4):379. https://doi.org/10.3390/brainsci16040379
Chicago/Turabian StyleOrsolini, Laura, Giulio Longo, Teresa Cantarini, Salvatore Reina, and Umberto Volpe. 2026. "TikTok and Instagram as Putative Social Media in Promoting Healthy Eating Habits in Youths At-Risk for Eating/Feeding Disorders and Body Image Dissatisfaction" Brain Sciences 16, no. 4: 379. https://doi.org/10.3390/brainsci16040379
APA StyleOrsolini, L., Longo, G., Cantarini, T., Reina, S., & Volpe, U. (2026). TikTok and Instagram as Putative Social Media in Promoting Healthy Eating Habits in Youths At-Risk for Eating/Feeding Disorders and Body Image Dissatisfaction. Brain Sciences, 16(4), 379. https://doi.org/10.3390/brainsci16040379

