The impact of ADHD symptoms and global impairment in childhood on working disability in mid-adulthood: a 28-year follow-up study using official disability pension records in a high-risk in-patient population

Table 2 Vulnerability factors for disability pension award

Vulnerability factors	N= 257	DP	Non-DP	P-value
Vulnerability factors		N=49	N= 208	Log- rank test
		N (%)/Mean (SD)	N (%)/Mean (SD)
Mental health (ICD-10)
CD	39	4(10)	35(90)	0.11
ADHD	53	16(30)	37(70)	0.01
ADHD only	21	5(24)	16(76)
Co-morbid ADHD and CD	32	11(34)	21(66)
ED	98	15(15)	83(85)	0.20
MCE	67	14(21)	53(79)	0.61
CGAS				0.04 ^a
CGAS <40	51	16(31)	35(69)
CGAS 40–49	139	24(17)	115(83)
CGAS ≥50	67	9(13)	58(87)
Sociodemographic variables
Male gender	175	34(19)	141(81)	0.72
Female gender	82	15(18)	67(82)
CFD	256	4.5(1.2)	4.3(1.3)	0. 91

Difference in prevalence of psychiatric disorders and other vulnerability factors between subjects who received disability pension (DP, N=49) and who did not receive DP (Non-DP, N=208) during the follow-up period. Significant p-values of the logrank testing are given in bold.
^a Logrank test with linear trend for factor levels.
CD, Conduct disorder; ADHD, Hyperkinetic disorder; ED, Emotional Disorder; MCE, Mixed disorder of conduct and emotions; CGAS, Children’s Global Assessment Scale; CFD, Chronic family difficulties scale.

ISSN: 1471-244X