Sex | Source | Age range | N | Mean | 95%CI | Significance* |
---|---|---|---|---|---|---|
Females | Current study | 51–-52 | 50 | 22.2 | 20.9—23.5 | Lowest |
Mexico City [28] | 50 – 59 | 75 | 25.0 | 24.1—25.9 | 2nd Lowest | |
Korea [54] | 50 – 54 | 535 | 26.9 | 26.5—27.3 | ||
USA [55] | 50 – 59 | 780 | 27.5 | 27.1—27.9 | ||
UK [56] | 51 – 55 | 4250 | 27.5 | 27.3—27.7 | ||
Males | Current study | 51–-52 | 32 | 38.5 | 36.1—40.9 | Lowest |
Mexico City [28] | 50 – 59 | 74 | 42.0 | 40.9—43.1 | ||
Korea [54] | 50 – 54 | 386 | 43.3 | 42.7—43.9 | ||
USA [55] | 50 – 59 | 721 | 42.1 | 41.5—42.7 | ||
UK [56] | 51 – 55 | 3743 | 46.2 | 45.9—46.5 | Highest |