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. Author manuscript; available in PMC: 2016 Jan 27.
Published in final edited form as: Qual Life Res. 2008 Oct 18;17(10):1217–1227. doi: 10.1007/s11136-008-9404-8

Mental component score (MCS) norms by quartiles

Age (years) Mean (SD) <25th 25th 50th 75th
25–34 48.34 (10.12) ≤41.89 41.90 51.31 55.22
35–44 48.84 (9.49) ≤43.22 43.23 51.16 55.75
45–54 50.07 (10.18) ≤45.54 45.55 53.48 56.99
55–64 50.56 (10.16) ≤44.60 44.61 53.71 57.94
≥65 51.44 (10.54) ≤43.42 43.43 55.08 58.96
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