Article was written in 2013 in the future tense. I looked into it and there's another article written the next year about the results:

https://www.thepinknews.com/2014/09/01/study-attributes-75-lesbian-obesity-to-athletic-low-self-esteem/

LGBT people have found to be 46-76% less likely to be on a sports team due to “gender nonconformity and athletic self-esteem.”
Other research out of the project finds that lesbians are more likely to see themselves as a healthy weight, even if they are not.
Conclusions listed included:”Physical activity contexts should be modified to welcome sexual minority males and females.”

That was a third of 1.5m's worth, with two more years of research left as of 2014.

EDIT- Hey, WTF not, I went further and here's what looks to me like the final result of that 1.5m:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5329123/

Lesbian and bisexual women are at greater risk of being obese than heterosexual women
Measures included diet quality (...); calorie, fat, and fiber intake; and glycemic load and index.
On average, lesbian and bisexual women reported better diet quality (p<0.001) and diets lower in glycemic index (p<0.001) than heterosexual women.

BTW, Abstract's Results and Conclusions summary doesn't mention calorie intake at all, so I went further in and skimmed the damn thing:

According to their graphs, lesbian women both eat better and eat less calories, even though they are more obese.

That's 1.5m well spent, folks.