Table 2

Multiple partial F-tests for blocks of interaction terms in OLS models of weight on reporting status and sociodemographic characteristics, NHIS 1976–1996


Multiple Partial F Ratios



k df
 Non-Black Males
 Non-Black Females
 Black Males
 Black Females
Partial Self-Report




     by Age
 5
 2.14
 2.60 *
 0.19
 1.98
     by Period
 3
 10.22 **
 8.75 **
 1.13
 1.47
     by Marital Status
 2
 4.73 **
 2.99
 3.31 *
 0.71
     by Working Status
 2
 0.08
 6.41 **
 0.92
 5.97 **
     by Educational Status
 4
 1.35
 2.03
 1.91
 0.35
Proxy-Report




     by Age
 5
 15.63 **
 5.66 **
 0.75
 3.62 **
     by Period
 3
 23.93 **
 61.59 **
 0.40
 8.78 **
     by Marital Status
 2
 56.95 **
 27.22 **
 19.48 **
 1.19
     by Working Status
 2
 4.77 **
 25.64 **
 0.59
 16.97 **
     by Educational Status
 4
 2.11
 10.52 **
 2.10
 4.38 **

* p < 0.05, ** p < 0.01

Reither and Utz Population Health Metrics 2009 7:2   doi:10.1186/1478-7954-7-2