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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Addict Behav. 2009 Oct 20;35(3):194. doi: 10.1016/j.addbeh.2009.10.001

Table 2.

Raw means of productivity variables at baseline and follow-up

BI+UC
N=25
UC
N=19


Baseline 3 mo FU Baseline 3 mo FU


Variable a M
(SD)
M
(SD)
M
(SD)
M
(SD)
ABSENTEEISM
    Hours Missed b 8.84
(30.76)
7.88
(23.03)
24.95
(50.86)
16.53
(17.10)
    Ratio of Work Hours Missed 0.05
(0.19)
0.05
(0.14)
0.15
(0.31)
0.10
(0.11)
PRESENTEEISM
    Work Performance 71.20
(18.33)
84.00
(10.11)
64.74
(22.20)
73.16
(13.76)
    Relative Work Performance 1.03
(0.31)
1.18
(0.20)
0.93
(0.39)
1.00
(0.21)
COSTS
    Costs of lost productivity −$153.88
($2,316.76)
−$888.52
($1,556.77)
$1,316.10
($3,218.04)
$776.50
($1,668.17)
a

Each variable was assessed in the past 4 weeks from the assessment

b

Hours missed ranged from −70 (participant worked 70 hours more than expected in 4 weeks) to 130 (participant worked 130 hours less than expected in 4 weeks)

BI = brief intervention

UC = usual care