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. 2021 Jun 1;21:1030. doi: 10.1186/s12889-021-11070-7

Table 1.

Participant Demographic Characteristics

Variable Men Women P value
Number of participants 229 308
Age (yr) 58·9 ± 19·1 58·4 ± 18·5 0·736
Number of participants by age group
 21–29 25 30
 30–39 26 30
 40–49 22 40
 50–59 18 41
 60–64 29 27
 65–69 22 36
 70–74 28 27
 75–79 32 34
 80+ 27 43
Weight (kg) 70·2 ± 15·4 58·8 ± 10·9 < 0·001
Height (cm) 166·6 ± 7·1 155·0 ± 6·4 < 0·001
Waist Circumference (cm) 91·4 ± 15·4 81·6 ± 10·8 < 0·001
Overall BMI (kg/m2) 25·2 ± 4·9 24·5 ± 4·2 0·071
BMI by age-group
 21–29 27·1 ± 8·2 22·5 ± 4·5
 30–39 28·0 ± 6·7 24·4 ± 4·7
 40–49 27·2 ± 3·8 25·7 ± 4·3
 50–59 25·7 ± 3·2 25·7 ± 5·5
 60–64 24·0 ± 2·9 24·4 ± 3·6
 65–69 24·1 ± 3·4 25·0 ± 3·0
 70–74 24·2 ± 3·2 22·9 ± 3·7
 75–79 23·7 ± 3·0 25·0 ± 3·5
 80+ 23·4 ± 4·1 24·3 ± 4·0
Overall Body Fat Percentage (%) 30·0 ± 5·7 39·7 ± 5·2 < 0·001
Body Fat Percentage by age-group
 21–29 29·6 ± 8·1 37·0 ± 6·4
 30–39 29·7 ± 6·7 37·7 ± 5·7
 40–49 31·0 ± 4·8 39·2 ± 4·7
 50–59 28·0 ± 4·3 40·0 ± 4·5
 60–64 29·1 ± 5·1 40·9 ± 4·9
 65–69 30·0 ± 5·0 41·0 ± 4·1
 70–74 30·9 ± 5·8 39·3 ± 5·0
 75–79 30·3 ± 4·9 41·2 ± 5·1
 80+ 31·3 ± 5·4 40·6 ± 5·5
Fat mass (kg) 21·0 ± 8·2 23·2 ± 6·6 < 0·005
Fat mass Index (kg/m2) 7·6 ± 2·9 9·7 ± 2·7 < 0·001
Fat-free mass (kg) 45·1 ± 8·9 32·6 ± 5·0 < 0·001
Fat-free mass index (kg/m2) 16·2 ± 2·3 13·6 ± 1·8 < 0·001
Bone mineral content (kg) 2·40 ± 0·43 1·88 ± 0·36 < 0·001

Values are mean ± standard deviation, or actual number of participants