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Changes in the distribution of weekly hours from 2006 to 2011

Figure 1## Description for Figure 1

The title of the figure is “**Changes in the distribution of weekly hours from 2006 to 2011**.”

This figure consists of three charts which are described below. The charts represent kernel density estimate plots of weekly work hours for the three following groups: new mothers who transitioned to self-employment, new mothers who remained wage workers and other women who transitioned to self-employment. Each chart shows two plots of the kernel density estimates: one for year 2006 and the other for year 2011.

**Chart title: (a) New mothers who transitioned to self-employment**

This is a kernel density estimate plot.

The horizontal axis (x-axis) is “hours,” beginning at 0 and ending at 80.

The vertical axis (y-axis) is “density,” beginning 0 and ending at 0.05.

The 2006 density function shows the distribution of weekly work hours of new mothers who transitioned to self-employment. The density function corresponds to 2006 when these women were in wage employment and before they became new mothers. The density function has a distinct ‘hump’ around the 40-hour mark. A vertical line shows the median corresponding to the 2006 distribution of work hours. The median is close to 40 hours. The 2011 density function is markedly different from the 2006 density function. It is almost flat between 0 and 50 hours. There is no hump around the 40-hour mark. The second vertical line shows the median for the 2011 distribution, which is approximately 25 hours.

**Chart title: (b) New mothers who remained wage workers**

This is a kernel density estimate plot.

The horizontal axis (x-axis) is “hours,” beginning at 0 and ending at 80.

The vertical axis (y-axis) is “density,” beginning 0 and ending at 0.15.

The 2006 density function shows the distribution of weekly work hours of new mothers who remained in wage employment. It corresponds to the time before they became new mothers. The 2006 density function has a sharp spike around the 40-hour mark. The peak value of the density function is about 0.12. There is also a hump around the 0-hour mark. A vertical line shows the median corresponding to the 2006 distribution of weekly work hours. The median is about 40 hours. The 2011 density function is somewhat different from the 2006 density function. Instead of a spike at 40 hours, there is a smaller and wider hump, and the peak value of the density function is about 0.05. However, this hump and another one corresponding around 0 hours are clearly visible. The second vertical line shows that the median for the 2011 distribution is approximately 32 hours.

**Chart title: (c) Other women who transitioned to self-employment**

This is a kernel density estimate plot.

The horizontal axis (x-axis) is “hours,” beginning at 0 and ending at 80.

The vertical axis (y-axis) is “density,” beginning 0 and ending at 0.03.

The 2006 density function shows the distribution of weekly work hours of other women (women who are not new mothers) who transitioned from wage employment to self-employment. It corresponds to the time when they were in wage employment. It has two distinct humps corresponding to 0 and 40 hours. The peak value of the density function is about 0.03. A vertical line shows the median corresponding to this distribution, which is about 30 hours. The 2011 density function is very similar to the 2006 density function although the values of the 2011 density function are slightly higher than the values of the 2006 density function between 10 and 30 hours and between 40 and 70 hours, and somewhat lower around 0. The second vertical line shows that the median for the 2011 distribution is approximately 35 hours.

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