Table 3.
Mediating effects of food addiction on each subscale of the Childhood Trauma Questionnaire—Short-Form
| Childhood Trauma Questionnaire Subscales | Coefficient | SE | p | 95% CI | Effect size (%) |
|---|---|---|---|---|---|
| Emotional Abuse Subscale | |||||
| Total effect of emotional abuse on food addiction (path a) | 0.22 | 0.03 | 00.001*** | 0.17 to 0.28 | |
| Total effect of food addiction on BMI (path b) | 0.80 | 00.12 | 0.001*** | 0.56 to 1.04 | |
| Total effect of emotional abuse on BMI (path c) | 0.35 | 0.08 | 0.001*** | 0.19 to 0.50 | |
| Indirect effect of emotional abuse on BMI, through food addiction (path c’) | 0.18 | 0.04 | – | 0.11 to 0.261 | 51.5 |
| Physical Abuse Subscale | |||||
| Total effect of physical abuse on food addiction (path a) | 0.23 | 0.04 | 0.001*** | 0.14 to 0.31 | |
| Total effect of food addiction on BMI (path b) | 0.83 | 12 | 0.001*** | 0.59 to 1.06 | |
| Total effect of physical abuse on BMI (path c) | 0.41 | 0.12 | 0.001** | 0.18 to 0.65 | |
| Indirect effect of physical abuse on BMI, through food addiction (path c’) | 0.19 | 0.04 | – | 0.11 to 0.281 | 45.2 |
| Sexual Abuse Subscale | |||||
| Total effect of sexual abuse on food addiction (path a) | 0.10 | 0.03 | 0.002** | 0.04 to 0.17 | |
| Total effect of food addiction on BMI (path b) | 0.85 | 0.12 | 0.001*** | 0.62 to 1.08 | |
| Total effect of sexual abuse on BMI (path c) | 0.27 | 0.09 | 0.004** | 0.09 to 0.46 | |
| Indirect effect of sexual abuse on BMI, through food addiction (path c’) | 0.09 | 0.03 | – | 0.04 to 0.151 | 32.6 |
| Emotional Neglect Subscale | |||||
| Total effect of emotional neglect on food addiction (path a) | 0.19 | 0.03 | 0.001*** | 0.13 to 0.24 | |
| Total effect of food addiction on BMI (path b) | 0.82 | 0.12 | 0.001*** | 0.58 to 1.06 | |
| Total effect of emotional neglect on BMI (path c) | 0.31 | 0.08 | 0.001*** | 0.15 to 0.47 | |
| Indirect effect of emotional neglect on BMI, through food addiction (path c’) | 0.15 | 0.03 | – | 0.09 to 0.23 | 49.2 |
| Physical Neglect Subscale | |||||
| Total effect of physical neglect on food addiction (path a) | 0.21 | 0.04 | 0.001*** | 0.12 to 0.30 | |
| Total effect of food addiction on BMI (path b) | 0.85 | 0.12 | 0.001*** | 0.61 to 1.08 | |
| Total effect of physical neglect on BMI (path c) | 0.35 | 0.12 | 0.005** | 0.11 to 0.60 | |
| Indirect effect of physical neglect on BMI, through food addiction (path c’) | 0.18 | 0.05 | – | 0.09 to 0.29 | 49.9 |
SE standard error; CI confidence interval
** = p < 0.01; *** = p < 0.001
1The PROCESS macro does not produce p values for the indirect effects, but each confidence interval does not include zero which indicates presence of statistical significance