Table 2 Weighted mean serum 25(OH)D level of socio-demographic characteristics and adiposity indicators
Characteristics | Serum 25(OH)D | p-value |
|---|---|---|
Weighted mean, \( \overline{x}\left(95\%\ \mathrm{C}\mathrm{I}\right) \) | ||
Age (years) | Â | Â |
  < 30 | 16.76 (15.56 to 17.97) | 0.001 |
 30–39 | 17.24 (16.36 to 18.11) | |
 40–49 | 17.81 (16.86 to 18.78) | |
  ≥ 50 | 20.69 (19.11 to 22.27) | |
Gender | Â | Â |
 Male | 25.27 (23.41 to 27.14) | <0.001 |
 Female | 17.24 (16.68 to 17.80) | |
Ethnicity | Â | Â |
 Malay | 16.57 (16.06 to 17.09) | <0.001 |
 Chinese | 25.44 (23.84 to 27.05) | |
 Indian | 15.47 (13.98 to 16.96) | |
 Others | 19.55 (14.18 to 24.92) | |
BMI (kg/m2) | Â | Â |
 Underweight (<17.5) | 17.29 (14.15 to 20.43) | <0.001 |
 Normal (17.5–22.9) | 19.20 (18.23 to 20.17) | |
 Overweight (23.0–27.9) | 18.30 (17.02 to 19.57) | |
 Obese (≥28.0) | 16.56 (15.82 to 17.30) | |
Tertile BF % | Â | Â |
 Tertile 1 (≤24.77) | 18.92 (17.58 to 20.27) | 0.037 |
 Tertile 2 (24.78–31.62) | 16.93 (15.83 to 18.02) | |
 Tertile 3 (≥31.63) | 16.90 (15.92 to 17.88) | |
Waist circumferences (cm) | Â | Â |
Male | Â | Â |
  < 90 cm | 26.06 (23.54 to 28.57) | 0.227 |
  ≥ 90 cm | 23.83 (21.20 to 26.46) | |
Female | Â | Â |
  < 80 cm | 17.80 (17.01 to 18.59) | 0.023 |
  ≥ 80 cm | 16.51 (15.74 to 17.29) |