Table 2. Relative risks (RR) and corresponding 95% confidence intervals (CIs) for the associations between TBI before age 25 y and poor functioning in adulthood.

	Model I	Model II	Model III
	RR [95% CI]	RR [95% CI]	RR [95% CI]
Disability pension	1.76 [1.71; 1.82]	1.47 [1.43; 1.52]	1.49 [1.38; 1.60]
Psychiatric visit	1.52 [1.50; 1.55]	1.37 [1.35; 1.40]	1.31 [1.26; 1.37]
Psychiatric hospitalisation	1.95 [1.90; 2.00]	1.69 [1.64; 1.73]	1.57 [1.47; 1.67]
Premature mortality	1.73 [1.60; 1.86]	1.50 [1.39; 1.62]	1.40 [1.16; 1.68]
Low education	1.58 [1.55; 1.61]	1.43 [1.41; 1.46]	1.28 [1.23; 1.33]
Welfare recipiency	1.55 [1.52; 1.58]	1.30 [1.27; 1.32]	1.19 [1.14; 1.23]

Notes: Model I: Full sample, adjusted for sex, birth order, and birth year. Model II: Additional adjustments for individual and parental highest achieved education levels, parental income, parental lifetime criminal and psychiatric histories, and maternal single status. Model III: Within-family estimates that are additionally adjusted for individual educational attainment at age 26 y.