Figure 4.

Health Outcomes Reported (N = 61 studies)^a

^aMost studies included more than one health outcome. The contribution of each study to this graph is detailed in Online Appendix 4.

^b“Other” classification includes functional far vision, hay fever, pain, dental health, and vitality.

^cThe Framingham score is an algorithm used to estimate the 10‐year cardiovascular risk of an individual.