Adolescent self-harm and suicidal thoughts in the ALSPAC cohort: a self-report survey in England

BMC Psychiatry

Table 2 Association of ever having self-harmed at age 16 with key demographic variables ^1,2

		Ever self-harmed³
		N (%)	OR [95% CI]	p-value
Gender	Males	180 (9.1%)	1.00 ref	<0.001
	Females	725 (25.6%)	3.42 [2.87, 4.07]
Mother’s social class³	Prof/managerial	339 (18.4%)	1.00 ref	0.004
	Intermediate	323 (17.2%)	0.92 [0.77, 1.08]
	Manual	91 (24.8%)	1.46 [1.12, 1.90]
Mother’s highest educational qualification	A level/degree	400 (17.7%)	1.00 ref	0.114
	O-level	317 (20.4%)	1.19 [1.01, 1.40]
	< O-level	162 (18.5%)	1.06 [0.86, 1.29]
Ethnicity	White	865 (18.9%)	1.00 ref	0.225
	Non-white	30 (15.5%)	0.79 [0.53, 1.17]
GCSE/GNVQs at grades A*-C⁴	5 or more	613 (18.3%)	1.00 ref	0.027
	Less than 5	171 (21.8%)	1.20 [1.03, 1.34]
SMFQ score aged 16	Less than 11	512 (13.2%)	1.00 ref	<0.001
	11 or more	379 (45.3%)	5.43 [4.60, 6.40]
Mother’s EPDS score when child aged 11	Less than 13	655 (17.6%)	1.00 ref	0.001
	13 or more	109 (21.0%)	1.48 [1.17, 1.86]

Notes
1. Logistic regression based on available data (n < = 4810).
2. Number of respondents with missing data was 0 for gender, 735 for mother’s class, 128 for mother’s highest educational qualification, 29 for ethnicity, 679 for own educational qualifications, 116 for SMFQ score, and 646 for mother’s EPDS score.
3. Non-respondents to “have you ever hurt yourself on purpose?” = 45.
4. Where the more A*-C grades obtained the better.

ISSN: 1471-244X