# Appendix Figure 1 Changes in cumulative distribution of weekly hours from 2006 to 2011Appendix Figure 1 Changes in cumulative distribution of weekly hours from 2006 to 2011

Description for Appendix Figure 1

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

This figure consists of three charts which are described below. The charts represent cumulative distribution function (CDF) 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 CDF estimates: one for year 2006 and the other for year 2011.

Chart title: (a) New mothers who transitioned to self-employment
This is a cumulative distribution function plot.
The horizontal axis (x-axis) is “hours,” beginning at 0 and ending at 80.
The vertical axis (y-axis) is “probability,” beginning 0 and ending at 1.

The 2006 CDF shows the cumulative distribution of weekly work hours of new mothers who transitioned to self-employment when they were in wage employment (and before they became new mothers). From 0 to 40 hours, it lies well below the 2011 CDF, which is steadily increasing and almost reaching 1 around the 60-hour mark. The 2006 CDF is increasing at a slower rate than the 2011 CDF between 0 and 35 hours but at a higher rate between 35 and 45 hours. From 45 to 80 hours, the values of both CDFs are similar. The first vertical line shows the median corresponding to the 2006 distribution. The median is close to 40 hours. 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 cumulative distribution function plot.
The horizontal axis (x-axis) is “hours,” beginning at 0 and ending at 80.
The vertical axis (y-axis) is “probability,” beginning 0 and ending at 1.

The 2006 CDF 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 CDF is convex between 5 and 50 hours.  A vertical line shows the median corresponding to this distribution. The median is about 40 hours. The 2011 CDF has a similar shape but the values of the CDF are well above the values of the 2006 CDF. 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 cumulative distribution function plot.
The horizontal axis (x-axis) is “hours,” beginning at 0 and ending at 80.
The vertical axis (y-axis) is “probability,” beginning 0 and ending at 1.

The 2006 CDF 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 2006 when they were in wage employment. The 2006 CDF increases sharply from 0 to 5 hours and continues to increase from 5 to 35 hours but at a slower rate. The 2011 CDF increases almost linearly between 0 and 35 hours. It lies below the 2006 CDF. The gap between the two CDFs is gradually decreasing. Both the 2006 CDF and 2011 CDF have slight kinks at the 35-hour mark after which both CDFs are increasing at a higher rate. The 2011 CDF remains below the 2006 CDF. Both CDFs are concave between 40 and 80 hours. A vertical line shows that the median corresponding to the 2006 distribution is about 30 hours. The second vertical line shows that the median for the 2011 distribution is approximately 35 hours.

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