Dic/Usage: Comparatives leading subordinate adverbial clauses

1.

( ... ) Such studies have shown that the risk of developing cancer of the respiratory tract increases the greater the amount of tobacco consumed, that risk of skin cancer increases the greater the amount of sunlight exposure, that the risk of cervical cancer increases the poorer the degree of penile hygiene, ( ... )

... http://cancerres.aacrjournals.org/content/21/7/858.full.pdf

2.

This force is stronger the greater the difference between the object's current velocity and the goal velocity. ( ... ) The force the BodyVelocity generates increases the greater the difference between the object's current velocity and the BodyVelocity's goal.

... http://wiki.roblox.com/index.php?title=API:Class/BodyVelocity

3.

For exercise to be effective you have to do it regularly: once a week is not enough. Jogging in the elements can be invigorating. Your sense of achievement increases the greater the challenge that you have overcome.

... http://www.weightlossresources.co.uk/exercise/running/road-versus-treadmill.htm

4.

While the chance of Ebola being imported into Canada is low, the risk increases the longer the outbreak persists or grows.

... http://o.canada.com/news/national/risk-ebola-will-reach-canada-increases-the-longer-the-outbreak-persists-study

...