Research Article

Age-Related Trends in Body Composition among Women Aged 20–80 Years: A Cross-Sectional Study

Table 1

Basic characteristics of the participants.

CharacteristicsAge category (years)
Mean (SD) or frequency (%)
20–29 (n = 79)30–39 (n = 144)40–49 (n = 185)50–59 (n = 281)≥60 (n = 95)

Age (years)24 (3)36 (3)46 (3)56 (3)66 (4)
Age at menopause (years)45.5 (2.3) (n = 19)48.7 (3.3) (n = 173)49.6 (3.9) (n = 95)
Education level
<Primary education1 (0.1%)0 (0.0%)4 (0.5%)56 (7.1%)42 (5.3%)
Primary education7 (0.9%)65 (8.2%)26 (3.3%)113 (14.4%)21 (2.7%)
Secondary education52 (6.6%)59 (7.8%)77 (9.8%)101 (12.8%)20 (2.5%)
Tertiary education19 (2.4%)20 (2.5%)78 (9.9%)11 (1.4%)12 (1.5%)
Income level
<20000LKR28 (3.6%)82 (10.4%)98 (12.5%)170 (21.6%)42 (5.3%)
20000–50000LKR23 (2.9%)55 (70.0%)81 (10.3%)92 (11.7%)23 (2.9%)
50000–100000LKR15 (1.9%)4 (0.8%)5 (0.6%)11 (1.4%)28 (3.6%)
>100000LKR13 (1.7%)3 (0.4%)1 (0.1%)8 (1.0%)2 (0.3%)
Total physical activity score (MET/min/week)4217.52 (1956.02)5430.59 (2598.09)6342.43 (3059.11)6141.44 (2997.91)4432.67 (2819.73)
Total daily calory consumption (kcal)1919.45 (612.06)1710.62 (610.68)1593.65 (536.56)1452.33 (814.75)1862.77 (998.96)
Height (m)1.54 (0.05)1.53 (0.05)1.51 (0.05)0.49 (0.05)0.47 (0.05)
Weight (kg)50.41 (10.90)57.19 (10.39)58.30 (10.22)57.30 (10.68)53.52 (9.15)
BMI (kg/m2)21.18 (4.25)24.30 (4.14)25.25 (4.24)25.49 (4.21)24.52 (3.84)
WC (cm)71.42 (10.04)80.21 (9.75)83.62 (10.12)84.71 (9.70)93.28 (10.46)
HC (cm)92.08 (8.89)96.05 (8.33)97.63 (8.75)97.83 (11.29)95.57 (8.79)
WHR0.55 (0.15)0.82 (0.08)0.84 (0.08)0.84 (0.11)0.84 (0.16)

BMI = body mass index, WC = waist circumference, HC = hip circumference, WHR = waist to hip ratio, and LKR = Sri Lankan rupees (1 USD = 200 LKR); by ANOVA.