"a lesser likelihood" is a correct and usable phrase in written English.
You can use "a lesser likelihood" when you are talking about something that is unlikely, but not impossible. For example, "I am considering running for mayor, but there is a lesser likelihood of me winning compared to the other candidates."
The result has shown that living in a neighborhood with higher household density, closeness to rail stations, and better bus services are associated with a lesser likelihood to be obese, which implies that people in a well-designed transit-oriented neighborhood tend to use active transportation modes to reach their daily activities and access transit services.
Norway, the world's third richest country, scores a perfect 100 in water quality, sanitation, ozone levels and airborne particulates, which means Norwegians have a lesser likelihood of respiratory disease.
In a multivariable model, increase in differential driving time and cardiac arrest were associated with a lesser likelihood of being taken directly to a PCI center, whereas a history of PCI was associated with a higher likelihood of being taken directly to a PCI center.
Activities requiring vigilant attention have been coupled with a lesser likelihood of absences whereas an increased frequency of these seizures during relaxation is well established [3], [4].
In particular, having participated at least once in an HIV counseling and testing program specifically targeting MSM was associated with a lesser likelihood of unprotected sex (aOR = 0.28 [95%CI: 2.71 14.46]).
Toddlers aged 1 4 years who were not breasted had a lesser likelihood of intussusception compared with breastfed children (Table 2).
Conversely, disclosure of HIV infection to potentially uninfected partners was associated with a somewhat lesser likelihood of using condoms.
Although Britain had been the first country to industrialize, the developments in Germany and Austria originally attracted little British interest because of an aversion to state intervention, an apparently lesser likelihood of revolution, and the slower development of British socialism.
A watermark may have a higher or lower level of perceptibility, meaning that there is a greater or lesser likelihood that a given observer will perceive it.
Those with all good answers -- not smoking, eating well, staying active, and being lean -- as compared to those with all bad answers -- had roughly an 80% lesser likelihood of experiencing any major chronic disease.
Those subjects with an income 2 3× the FPL also showed a trend towards lesser likelihood of ED utilization, though not reaching statistical significance [OR: 0.36 (95% CI: 0.12 1.09)].
