Table 1.

Descriptive statistics of study sample, and percentages obtaining disability pension during follow-up, according to diagnosis and sociodemographic variables. n = 326 men and 692 women on long-term sick leave >8 weeks with a diagnosis of dizziness or vertigo.

	Women					Men
Variables	n	%	95% CI	DP, %	95% CI	n	%	95% CI	DP, %	95% CI
Diagnosis
H82	282	41	37 to 44	29	24–34	134	41	36 to 46	23	16 to 30
N17	412	59	56 to 63	18	15–22	192	59	54 to 64	24	18 to 30
All	694	100		23	18–27	326	100		24	20 to 27
Age, years
16–29	85	12	10 to 15	2	0–6	36	11	8 to 14	3	0 to 8
30–39	204	29	26 to 33	9	5–13	79	24	20 to 29	9	3 to 15
40–49	212	31	27 to 34	22	17–28	87	27	22 to 31	17	9 to 25
50–62	193	28	24 to 31	47	38–52	124	38	33 to 43	44	33 to 52
Education, number of years
Basic, 7–9	82	12	9 to 14	46	36–57	59	18	14 to 22	44	31 to 57
Lower middle, 10–12	333	48	44 to 52	25	21–30	131	40	35 to 46	21	14 to 28
Higher middle, 13–14	163	23	20 to 27	12	7–17	102	31	26 to 36	15	8 to 22
Academic, ≥15	113	16	14 to 19	14	8–21	32	10	7 to 13	19	5 to 32
Annual income 1996, NOK
0–79 999	63	9	7 to 11	22	19–25	18	6	3 to 10	13	9 to 16
80 000–159 999	236	34	30 to 38	25	22–29	37	11	8 to 13	27	23 to 32
160 000–239 999	311	45	41 to 49	18	15–21	143	44	38 to 49	25	20 to 30
≥240 000	84	12	10 to 15	26	23–30	128	39	34 to 45	20	15 to 24

DP = disability pension. NOK = Norwegian krones (1 GBP = 9.7 NOK).