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8 OUTCOMES & FINDINGS

Date:13/01/2008

8 OUTCOMES & FINDINGS
Descriptive Statistics
Overall 66 people participated in and completed the trial, 48 females and 18 males aged
20 -65yrs (mean 43.6 ~ 10.6yrs). Three different working groups were involved in the
trial; nurses, catering/cleaning staff and factory production workers, the descriptive
statistics für each working group are presented in table 1.
Table 1. Descriptive statistics of the three working populations
n Females Males
Group Age
Nurses 27 25 2 24 -55yrs
(92.6%) (7.4%) (42.8 ! 7.8)
9 7 2 21 -65yrs
Catering/Cleaning
(77.8%) (22.2%) (47.5.::!:.13.9)
Factory Production 30 16 14 20 -63yrs
(53.3% ) (46.7%) (43.6:t 11.8)

9  Background Information
Table 2. Background information of the three working populations
Group Current 4 -6hrs 7 -9hrs Smoker Exercise Exercise
employment standing standing regime duration
Overall 0.5 -33yrs 11 55 15 None: 21.2% 0 mins: 19.7%
1-2 x wk: 33.3% 1-30mins: 28.8%
(13.7 ~ 9.2) (16.6%) (83.4%) (22.7%)
3-4 x wk: 27.3% 30-60mins: 25.8%
5-6 x wk: 12.1% 60-90mins: 18.2%
> 7 x wk: 6.1 % 90-120mins: 3.0%
> 120mins: 4.5%
Walking, bike
riding & gym
Nurses 1.5 -29yrs 3 24 4 None: 3.7% 0 mins: 3.7%
1-2 x wk: 44.4% 1-30mins: 29.6%
(13.4 ~ 8.8) (11.1%) (88.9%) (14.8%) I
3-4 x wk: 37.0% 30-60mins: 40.7%
5-6 x wk: 11.1% 60-90mins: 18.5%
> 7 x wk: 3.7% 90-120mins: 7.4%
Walking &gym
0.5 -30yrs 2 7 3 None: 11.1% 0 mins: 11.1 %
Catering/
1-2 x wk: 22.2% 1-30mins: 33.3%
Cleaning (10.7.:!: 11.5) (22.2%) (77.8%) (33.3%)
3-4 x wk: 33.3% 30-60mins: 11.1%
5-6 x wk: 33.3% 60-90mins: 33.3%
90-120mins:11.1 %
Walking & bike
riding
1.5 -33yrs 6 24 8 None: 36.7% 0 mins: 36.7%
Factory
1-2 x wk: 26.6% 1-30mins: 20.0%
Production (15.5 .:t. 8.6) (20.0%) (80.0%) (26.7%)
3-4 x wk: 16.7% 30-60mins: 20.0%
5-6 x wk: 6.7% 60-g0mins: 13.3%
> 7 x wk: 13.3% 90-120mins: 3.3%
> 120mins: 3.3%
Walking & gym

10 Figure 1 a. Whole Group: Bio-impedance Right Leg Fluid Volume: Support vs. Normal
Phase
5900 I
I -Nonnal I
1-.- Support I
5850
5800
5750
in"
I
~ 5700
"C
"5
ii:
5650
5600
5550
5500
Pre Post
p = 0.051
Nonnal: i 207mls Support: i 140mls

Figure 1 b. Whole Group: Bio-impedance Left Leg Fluid Volume: Support vs. Normal
Phase
p = 0.001
Nonnal: i 21lmls Support: i 109mls


12 Table 3. Bio-impedance: Leg Fluid Volume tor Each Working Group: Support v's Normal Phase
R) LEG L) LEG
Normal
Support p Normal Support p
Nurses i 254mls i 139mls 0.120 i 196mls i 78mls 0.010
Catering/Cleaning i 167mls i 129mls 0.494 i 218mls i 106mls 0.110
Production Workers i 175mls i 144mls 0.170 i 222mls i 137mls 0.049


13 Figure 2b. Whole Group: Perometry: Left Below Knee Total Volume: Support v's Normal Phase


2490
2480
2470
2460
'in"
'" . -
I
~ 2450
'jij
O ~
I-
2440
-/
2430
2420
2410
Pre Post
p = 0.004
Nonnal: t 42mls Support: t 18mls
~..

Table 4. Perometry: Below the Knee Total Volume tor Each Working Group: Support v's Normal
Phase
R) LEG L) LEG
Normal Support p Normal Support p
Nurses i 67mls i 7mls 0.045 i 40mls t 9mls 0.018
0.774 i 26mls 4 mls 0.163
Catering/Cleaning i 20mls i 15mls
Production Workers i 40mls i 26mls 0.173 i 48mls i 32mls 0.153

 


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