Summary of associations between grade groups and adverse childhood experiences (items A1–A10)
| No. | Item in ACE questionnaire | Tests conducted (two grade groups vs ACE items) | Support for alternative hypothesis | |||
|---|---|---|---|---|---|---|
| Chi-squared (p < 0.05) | Fischer’s exact test (p < 0.05) | Bayes factor (1/BF) > 1.0 | Odds ratio of ≤ G8* vs ≥ G9** | |||
| A1 | Abuse (swearing, humiliation) | Yes (0.047) | No (0.060) | Yes (1.65) | Yes G9:G8 = 1.61 | 3 of 4 – yes G9 > G8 |
| A2 | Abuse (physical) | No (0.118) | No (0.124) | No (0.47) | Yes G9:G8 = 1.51 | OR only G9 > G8 |
| A3 | Abuse (sexual) | No (0.108) | No (0.132) | No (0.34) | Yes G9:G8 = 1.91 | OR only G9 > G8 |
| A4 | Neglect (emotional) | No (0.614) | No (0.645) | No (0.18) | No G9:G8 = 1.12 | OR only G9 > G8 |
| A5 | Neglect (physical) | Yes (0.005) | Yes (0.004) | Yes (5.78) | Yes G9:G8 = 5.07 | Yes- all tests G9 > G8 |
| A6 | Dysfunction (divorce) | No (0.366) | No (0.417) | No (0.27) | Yes G8:G9 = 1.20 | OR only G8 > G9 |
| A7 | Dysfunction (battered wife) | No (0.333) | No (0.352) | No (0.18) | Yes G9:G8 = 1.36 | Only OR G9 > G8 |
| A8 | Dysfunction (substance abuse) | No (0.251) | No (0.292) | No (0.26) | Yes G9:G8 = 1.36 | Only OR G9>G8 |
| A9 | Dysfunction (mental illness) | No (0.140) | No (0.157) | No (0.33) | Yes G9: G8 = 1.63 | Only OR G9 > G8 |
| A10 | Dysfunction (imprisonment) | No (0.060) | No (0.067) | No (0.74) | Yes G9:G8 = 1.74 | Only OR G9 > G8 |
| No. | Item in ACE questionnaire | Tests conducted (two grade groups vs ACE items) | Support for alternative hypothesis | |||
|---|---|---|---|---|---|---|
| Chi-squared | Fischer’s exact test | Bayes factor | Odds ratio of | |||
| A1 | Abuse (swearing, humiliation) | Yes | No | Yes | Yes | 3 of 4 – yes |
| A2 | Abuse (physical) | No | No | No | Yes | OR only |
| A3 | Abuse (sexual) | No | No | No | Yes | OR only |
| A4 | Neglect (emotional) | No | No | No | No | OR only |
| A5 | Neglect (physical) | Yes | Yes | Yes | Yes | Yes- all tests |
| A6 | Dysfunction (divorce) | No | No | No | Yes | OR only |
| A7 | Dysfunction | No | No | No | Yes | Only OR |
| A8 | Dysfunction | No | No | No | Yes | Only OR |
| A9 | Dysfunction | No | No | No | Yes | Only OR |
| A10 | Dysfunction | No | No | No | Yes | Only OR |
Notes:
*G8 = Grade 8; **G9 = Grade 9
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