Out of 523 people who have signed up for Round 4 of 90days, 150 people checked in for Week 4. Let’s take a look at how things have changed for us since the start of the round.
Overall weight distribution
Here’s the initial weight distribution of everyone who signed up originally and those who have checked in for Weeks 1 through 4:
And if we look at only the people who have checked in for Week 4, we get:
|(lb)||Week 0||Week 1||Week 2||Week 3||Week 4|
|(kg)||Week 0||Week 1||Week 2||Week 3||Week 4|
We’ve lost an average of 5.98 lbs (2.71 kg) per person over the last four weeks. As a group, we’ve lost a total of 885 lbs (401 kg)! (For comparison, a rule of thumb for a healthy weight loss rate is 1-2 lbs (0.45-0.91 kg) per week, which would be 4-8 lbs (1.81-3.63 kg) for four weeks of progress. So we’re still right on track as a group!)
Fitting our weights to a normal distribution, it’s a little easier to see the slight shift in our group weight:
Weight distribution by gender
Let’s break this down by gender again. Looking at only the people who checked in for Week 4, there were 80 women and 66 men (plus two with an unknown gender).
The weight distributions for both genders are shown below.
Women have lost an average of 5.32 lbs (2.41 kg) each since the start of the round, or a total of 425 lbs (193 kg) lost for these 80 women!
Men have lost an average of 6.94 lbs (3.15 kg) each since the start of the round, or a total of 458 lbs (208 kg) lost for these 66 men!
Distribution of weight change
Here’s the distribution of weight change since the start of the round for everyone who checked in.
Broken down by gender:
Are any diets or exercises doing better than others?
On the sign-up form, there was a page of optional questions about which types of diets or exercises we were planning on following. This data isn’t necessarily very accurate, because there is no guarantee that a person actually follows the diet or exercise that they said they would. Plus, the questions were optional, so not everyone answered them. Still, it’s fun to look at some of the info that we can get from this.
Who’s still with us?
On the following plots, the people who checked in for Week 2 are compared with the people who did not check in. The plots are ordered by percentage of people retained. For example, of the 242 people who listed their goal as “reduce body fat percentage,” 90 people checked in (41%). But only 2 out of the 5 people who chose “gain weight” checked in (29%).