Table 2

Average daily caloric, carbohydrate, protein, and fat intakes of children
Kilocalorie Carbohydrate Protein Fat
OLS ‘04 OLS ‘06 DID OLS ‘04 OLS ‘06 DID OLS ‘04 OLS ‘06 DID OLS ‘04 OLS ‘06 DID
Age 35.09 (.798) 467.60*** (.008) 1275.00* (.069) 18.19 (.325) 77.33*** (.001) 157.80 (.159) -3.23 (.587) 17.37*** (.010) 53.30** (.047) -2.77 (.736) 10.15 (.357) 45.89 (.231)
Age squared 1.88 (.760) -16.04** (.014) -10.67** (.038) -.27 (.748) -2.67*** (.003) -1.72** (.037) .24 (.373) -.61** (.014) -.22 (.27) .22 (.532) -.34 (.417) -.33 (.243)
Income per capita 35.58*** (.000) 7.45 (.436) 15.02 (.107) 4.28** (.012) .56 (.688) 1.28 (.388) 1.22** (.014) .38 (.416) .39 (.276) 1.51* (.055) .40 (.504) .94* (.067)
Wet market density 44.39*** (.001) 4.75 (.760) 32.25*** (.005) 6.80*** (.006) -.53 (.825) 3.43* (.057) 1.60*** (.008) -.07 (.909) 1.35*** (.002) 1.20* (.089) .79 (.337) 1.47** (.017)
Income * wet market density -4.00*** (.004) .33 (.904) -2.72** (.044) -.60** (.018) -.05 (.900) -.27 (.213) -.10 (.129) .10 (.364) -.07 (.150) -.13* (.079) .018 (.920) -.15** (.041)
Supermarket density -.83 (.906) 12.81 (.414) -6.26 (.480) -.06 (.967) 1.86 (.471) .061 (.965) -.11 (.672) .13 (.808) -.38 (.260) -.013 (.974) .54 (.584) -.61 (.208)
Fast food restaurant density .23 (.990) -31.49* (.070) -9.63 (.737) -.37 (.880) -2.67 (.543) -.49 (.914) -.85 (.265) -.29 (.463) .01 (.996) .57 (.698) -2.19*** (.000) -.82 (.601)
Interaction of being under 12 and fast food restaurant density -32.21 (.182) 15.89 (.505) 20.85 (.617) -4.80* (.093) 0.67 (.890) -1.02 (.878) -.32 (.729) .79 (.399) .46 (.772) -1.31 (.481) 1.08 (.258) 2.57 (.260)
Owning car -53.74 (.659) 78.97 (.512) 208.90 (.292) -30.19 (.293) 20.49 (.353) 37.03 (.242) 1.64 (.807) 6.07 (.190) 10.04 (.185) 6.81 (.611) -2.74 (.711) 2.59 (.811)
Bus stop -84.03 (.289) 65.59 (.539) 147.80 (.206) 3.32 (.797) 13.16 (.399) 32.46* (.082) -3.84 (.274) -1.62 (.713) 7.22 (.106) -9.08* (.066) 2.14 (.721) -1.32 (.836)
Maternal education -21.36* (.086) 14.19 (.487) -4.98** (.031) -.94 (.723) .23 (.663) .53 (.489) -.26 (.826) 1.79 (.132)
Female -274.60*** (.001) -363.70*** (.000) -40.26*** (.001) -50.36*** (.000) -14.52*** (.000) -9.94*** (.005) -6.18 (.240) -13.56** (.014)
Adj./within R2 .36 .18 .11 .35 .18 .09 .31 .16 .13 .12 .10 .07
Prob. > F .00 .00 .04 .00 .00 .09 .00 .00 .01 .01 .00 .36

Note: N = 185 for OLS regressions; N = 370 for DID regressions; *p < .10, **p < .05, ***p < .01; p-values included in parentheses; robust standard errors are used in OLS regressions.

Wang and Shi

Wang and Shi Italian Journal of Pediatrics 2012 38:30   doi:10.1186/1824-7288-38-30

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