Table 1

Baseline characteristics (1995–1997) of the adolescents and their parents in the study cohort according to medical benefit receipt age 20–29, the HUNT study, Norway

	No medical benefits (n=6511)		Medical benefits (n=986)
	n	Per cent	n	Per cent
Adolescent anxiety and depression symptoms
SCL-5 score, mean SD	1.43	0.47	1.56	0.56
High load*	915	14	219	22
Parental anxiety and depression symptoms*†
Mother high load	1218	20	229	26
Father high load	944	18	147	22
Adolescent and parental symptom loads combined*†
Adolescent low and parents low	2751	59	293	50
Adolescent low and one parent high	1094	24	144	25
Adolescent low and both parents high	177	4	34	6
Adolescent high and parents low	378	8	76	13
Adolescent high and one parent high	196	4	30	5
Adolescent high and both parents high	51	1	10	2
Girls	3163	49	605	61
Age 12–14	2218	34	306	31
Age 15–17	3154	48	533	54
Age 18–20	1139	17	147	15
Chronic disease	1375	21	311	32
Disability	368	6	122	12
Sibling in cohort	2375	36	336	34
Mother tertiary education†	1457	23	132	14
Mother secondary education†	4073	64	623	65
Mother primary education†	840	13	198	21
Father tertiary education†	1367	23	132	16
Father secondary education†	3793	63	524	63
Father primary education†	868	14	183	22
Parents divorced	1027	16	264	27
Single parent	533	8	113	11
Teenage parents	392	6	113	11
Adolescent living alone	364	6	73	7

*High anxiety and depression symptom loads defined by SCL-5 scale scores of 2 or above for adolescents and Hospital Anxiety and Depression Scale scores of 8 or above (on the anxiety or depression subscale) for parents.
†Variables with missing data, the number of missing observations indicated in parentheses; mother's anxiety and depression score (653), father's anxiety and depression score (1669), parental anxiety and depression (2263) mother's educational level (174) and father's educational level (630).