The Effect of Very High versus Very Low Sustained Loading on the Lower Back and Knees in Middle Life
Table 2
Background characteristics of study populations (mean SD or mean, median and IQR).
Variable
Torah Scholars
Soldiers
value
Age (years)
43.7, 43.0, 41.5–45.5
43.2, 43.0, 43.0–43.0
0.9
Weight (kg in 1983)
Recalled weight (kg in 1983)
73.0, 73.5, 70.0–78.0
73.7, 74.0, 68.0–77.0
0.9
Years of education
15.7, 14.0, 16.0–18.0
15.9, 16.0, 16.0–18.0
0.9
Packs years smoking
4.3, 0.2, 0.0–7.5
3.0, 0.0, 0.0–1.5
0.26
Alcohol consumption (units/wk)
0.3, 0.0, 0.0–1.0
2.1, 1.0, 0.0–2.0
0.01
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