Table A9.
Test of common trend of NL switchers, DoC switchers, Both switchers and extended control group.
| (1) | (2) | (3) | (4) | |
|---|---|---|---|---|
| Dependent Variable: | HEI | Share Fat | Share Added Sugar | Share Fiber |
| DoC = 1 | 0.195 | −0.795 | 0.0397 | −0.0123 |
| (0.173) | (0.693) | (0.529) | (0.0619) | |
| year = 2009 | 0.435 *** | −1.104 *** | −0.171 | 0.104 *** |
| (0.0715) | (0.294) | (0.203) | (0.0298) | |
| year = 2010 | 0.366 *** | −0.809 ** | −0.146 | 0.0618 ** |
| (0.0758) | (0.315) | (0.201) | (0.0310) | |
| year = 2011 | 0.408 *** | −1.183 *** | 0.219 | 0.103 *** |
| (0.0989) | (0.384) | (0.286) | (0.0395) | |
| year = 2012 | 0.274 *** | −1.162 *** | −0.231 | 0.0708 *** |
| (0.0471) | (0.222) | (0.151) | (0.0216) | |
| year = 2014 | −0.0465 | −0.196 | 0.0926 | −0.0113 |
| (0.0342) | (0.189) | (0.149) | (0.0162) | |
| year = 2015 | −0.0998 ** | −0.131 | 0.0734 | −0.0250 |
| (0.0428) | (0.221) | (0.164) | (0.0196) | |
| year = 2016 | −0.183 *** | −0.277 | 0.256 | −0.0474 ** |
| (0.0488) | (0.243) | (0.173) | (0.0219) | |
| 1.s_content#2009.year | −0.241 | 0.119 | −0.0388 | 0.0120 |
| (0.176) | (0.724) | (0.510) | (0.0695) | |
| 1.s_content#2010.year | −0.296 | 0.00133 | 0.667 | −0.0852 |
| (0.197) | (0.806) | (0.593) | (0.0687) | |
| 1.s_content#2011.year | −0.00297 | 0.277 | 0.0815 | 0.00886 |
| (0.177) | (0.748) | (0.542) | (0.0687) | |
| 1.s_content#2012.year | −0.236 * | 0.692 | 0.209 | −0.0211 |
| (0.131) | (0.582) | (0.520) | (0.0651) | |
| 1.s_content#2014.year | 0.00394 | 0.784 * | 0.347 | −0.0125 |
| (0.0969) | (0.444) | (0.335) | (0.0431) | |
| 1.s_content#2015.year | 0.0226 | 0.436 | 0.551 | 0.0474 |
| (0.145) | (0.645) | (0.362) | (0.0513) | |
| 1.s_content#2016.year | 0.0157 | 0.386 | 0.201 | −0.00873 |
| (0.149) | (0.680) | (0.465) | (0.0564) | |
| NL = 1 | 0.122 | −0.844 | −0.0373 | −0.0415 |
| (0.179) | (0.791) | (0.557) | (0.0728) | |
| 1.s_nut_label#2009.year | −0.189 | 1.108 | 0.241 | −0.0185 |
| (0.201) | (0.830) | (0.589) | (0.0891) | |
| 1.s_nut_label#2010.year | −0.217 | 1.578 * | −0.0403 | −0.0787 |
| (0.240) | (0.923) | (0.626) | (0.0801) | |
| 1.s_nut_label#2011.year | 0.168 | 0.737 | −0.233 | −0.0152 |
| (0.202) | (0.840) | (0.620) | (0.0821) | |
| 1.s_nut_label#2012.year | −0.0904 | 0.841 | −0.187 | −0.0192 |
| (0.135) | (0.605) | (0.378) | (0.0615) | |
| 1.s_nut_label#2014.year | 0.177 * | 0.281 | −0.0510 | 0.0774 |
| (0.101) | (0.623) | (0.411) | (0.0605) | |
| 1.s_nut_label#2015.year | 0.171 | 0.0723 | 0.205 | 0.0577 |
| (0.118) | (0.568) | (0.434) | (0.0653) | |
| 1.s_nut_label#2016.year | 0.186 | −0.0845 | −0.202 | 0.0939 |
| (0.151) | (0.648) | (0.580) | (0.0808) | |
| Both = 1 | 0.768 *** | −1.371 * | −0.170 | 0.184 |
| (0.279) | (0.789) | (0.470) | (0.119) | |
| 1.s_both#2009.year | −0.397 | 0.290 | −0.339 | −0.155 |
| (0.294) | (0.825) | (0.576) | (0.127) | |
| 1.s_both#2010.year | −0.505 * | 0.842 | −0.147 | −0.226 * |
| (0.268) | (0.991) | (0.590) | (0.123) | |
| 1.s_both#2011.year | −0.221 | 0.358 | 0.527 | −0.217 * |
| (0.264) | (0.767) | (0.594) | (0.117) | |
| 1.s_both#2012.year | −0.364 * | 0.535 | 0.647 | −0.107 |
| (0.186) | (0.592) | (0.584) | (0.0780) | |
| 1.s_both#2014.year | 0.101 | −0.833 | 0.457 | 0.00360 |
| (0.161) | (0.582) | (0.374) | (0.0677) | |
| 1.s_both#2015.year | −0.123 | 1.137 | 0.0707 | −0.00232 |
| (0.202) | (0.918) | (0.402) | (0.0851) | |
| 1.s_both#2016.year | 0.0118 | 1.902 ** | −0.416 | −0.0326 |
| (0.190) | (0.911) | (0.435) | (0.0739) | |
| Constant | 17.93 *** | 35.85 *** | 9.856 *** | 2.089 *** |
| (0.388) | (1.436) | (1.000) | (0.154) | |
| Observations | 5457 | 5457 | 5457 | 5457 |
| R-squared | 0.099 | 0.056 | 0.049 | 0.053 |
Note: Standard errors clustered at the household level in parenthesis. Regression also included controls for age, gender, household size, place of living, education, income group and number of hours of exercise. These are not shown in the table. Reference group: extended control group (DoC = 0, NL = 0 and Both = 0) and year = 2013. The extended group consists of households who use both labels in both years, one label in both years, and households that use neither of the labels in both years. *** p < 0.01, ** p < 0.05, and * p < 0.1.