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Table 2 Final multiple linear regression of log transformed B-Pb among children (R square = 0.14)

From: Regular Breakfast and Blood Lead Levels among Preschool Children

Variable Parameter (beta)Estimate StandardError P value
Regular breakfast -0.10 0.04 0.02
Sex (reference: boy) -0.11 0.02 <.0001
Age (reference: 3 years)    
4 0.19 0.03 <.0001
5 0.31 0.03 <.0001
School area (reference: urban area)    
Suburban 0.02 0.02 0.45
Rural 0.07 0.03 0.02
Mother's education (reference: less than high school)    
High school -0.07 0.03 0.01
College & University -0.01 0.04 0.77
Father's occupation (reference: unemployed)    
General labor 0.08 0.06 0.15
Technician/Professional 0.13 0.06 0.04
Other 0.04 0.07 0.55
Mother's occupation (reference: unemployed)    
General labor -0.05 0.05 0.36
Technician/Professional -0.10 0.06 0.07
Other -0.06 0.05 0.28