Table 4.

Mean level of withdrawal for values of moderator variables in 554 individuals using daily tapering strips.

Age	Mean	SD	n
⩽35 years	2.2	1.3	75
36–60 years	2.2	1.3	288
>60 years	2.0	1.2	191
Number of risk factors
0	1.7	1.3	35
1	2.1	1.4	134
2	2.1	1.2	240
3	2.1	1.2	110
4	2.3	1.3	35
Initial dose a
1	2.3	1.6	103
2	2.2	1.5	92
3	2.2	1.4	128
4	2.1	1.4	120
5	1.8	1.1	111
Sex
Men	1.8	1.0	109
Women	2.2	1.3	445
Length of tapering trajectory in days
28	2.3	1.4	270
56	2.1	1.2	150
84	2.0	0.9	81
112	2.0	1.3	33
140	2.1	0.8	20
Use of any stabilisation strip
No	2.1	1.3	535
Yes	2.5	1.0	19
Medication type
Other	2.0	1.2	198
Paroxetine	2.3	1.1	134
Venlafaxine	2.1	1.4	222

^aExpressed as units of daily defined dose and divided by its quintiles, to create quintile groups.