Table 3

Linear regression analysis for predicting glucose levels for time within each study period segment, age decade, BMI and education category
Male Female
N B ( mmol/L) P-Value N B ( mmol/L) P-Value
Study period
 2002-3 931 0.685 0.0001 1180 −0.115 0.456
 2004-5 578 −0.133 0.486 789 0.040 0.704
 2006-7 715 −0.513 0.001 1002 −0.128 0.240
 2008-9 499 −0.227 0.173 636 −0.200 0.048
 2002-5 1511 −0.082 0.207 1970 −0.158 0.002
 2006-9 1215 −0.282 0.0001 1639 −0.213 0.0001
 Total 2726 −0.140 0.0001 3610 −0.115 0.0001
Age Decades
 20s & 30s 1582 −0.087 0.0001 2102 −0.102 0.0001
 40s-60s 1143 −0.228 0.0001 1507 −0.119 0.0001
BMI Category (kg/m2)
 <30 1798 −0.119 0.0001 1850 −0.122 0.0001
 ≥30 927 −0.171 0.0001 1759 −0.098 0.0001
Education Category
 ≤ High school or diploma 1890 −0.182 0.0001 2606 −0.114 0.0001
 Undergraduate and above 835 −0.096 0.002 1003 −0.108 0.0001

B is the slope for regression line. Each variable was adjusted for others.

Ahmed et al.

Ahmed et al. BMC Public Health 2013 13:103   doi:10.1186/1471-2458-13-103

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