Table 1.

Demographic data at baseline

	Short-term withdrawers	Short-term non-withdrawers	Long-term withdrawers	Long-term non-withdrawers
	N = 69	N = 20	N = 34	N = 55
	(45 women, 24 men)	(14 women, 6 men)	(19 women, 15 men)	(40 women, 15 men)
Age, years (mean ± SD)	67 ± 7	67 ± 6	65 ± 7	68 ± 7
Number of medications (median [LQ, UQ])	4.0 [3.0, 5.0]	4.0 [3.0, 5.5]	4.0 [3.0, 6.0]	4.0 [3.0, 5.0]
	N	N	N	N
Duration of benzodiazepine use
Less than 5 years	12	2	6	8
5 to 10 years	34	8	17	25
10 years or longer	23	10	11	22
Benzodiazepine use (daily dose range)
Temazepam (10–30 mg)	9	4	3	10
Zopiclone (3.75-30 mg)	39	11	19	31
Zolpidem (5–20 mg)	21	5	12	14
Depression
Not depressed (GDS-15 sum score <6)	63	16	32	47
Depressed (GDS-15 sum score ≥6)	5	4	2	7
Smoking
Non-smoker	67	16	32	51
Smoker	2	4	2	4
Use of alcohol
Non-user	16	1	5	12
Once a month or more seldom	25	6	13	18
2-4 times a month	17	9	9	17
2 times a week or more often	10	3	7	6
Self-reported health
Good	17	1	9	9
Fair	44	14	18	40
Poor	8	5	7	6

N = number of participants.

GDS-15 = Geriatric Depression Scale (15 point version).

SD = Standard deviation.

LQ = Lower quartile.

UQ = Upper quartile.