Table 3
Urinary specific gravity data from the main study
Specific gravity
Start of shift
Mid shift
End of shift
n
39
39
39
Average
1.0252
1.0248
1.0254
SD
0.00533
0.00533
0.00686
Range
1.012–1.035
1.009–1.035
1.006–1.035
p value
Start to mid = 0.85
Mid to end = 0.70
Start to end = 0.85