Table 1 Mean serum 25(OH)D difference for pre and post vitamin D supplementation across all demographic characteristics
Variables | Number (Percent) | Serum 25OHD Pre-dose Mean (SD) | Serum 25OHD Post-dose Mean (SD) | Mean serum difference 95Â % Class Interval | P value |
|---|---|---|---|---|---|
All | 205 (100) | 30.39 (14.43) | 72.27 (26.06) | 41.88 (38.14–45.63) | <0.05 |
Serum 25 OHD Category | |||||
 50–75 nmol/L | 24(11.70) | 58.22 (8.66) | 82.57(22.48) | 24.34(16.54–32.15) | <0.05 |
 25–49 nmol/L | 94(45.85) | 35.08 (6.68) | 71.37(23.35) | 36.28 (31.48–41.08) | <0.05 |
 Below 25 nmol/L | 87(42.43) | 17.63 (4.56) | 70.41 (20.19) | 52.77 (46.63–58.92) | <0.05 |
Duration of Supplementation | |||||
 3 months and below | 64(31.21) | 28.21(13.04) | 75.74(24.02) | 47.53(40.95–54.11) | <0.05 |
 4–6 months | 66(32.19) | 32.13(14.54) | 74.70(24.94) | 42.57(35.58–49.96) | <0.05 |
 7–9 months | 42(20.48) | 28.92(15.08) | 68.89(25.51) | 39.90(31.83–47.97) | <0.05 |
 10-12 months | 33(16.09) | 32.92(15.13) | 65.00(31.47) | 32.08(22.81–41.35) | <0.05 |
Age Category | |||||
 18–34 | 70(34.14) | 28.64(12.87) | 70.26(28.46) | 41.79(35.51–48.08) | <0.05 |
 35–54 | 79(38.53) | 28.67(14.08) | 70.58(24.72) | 41.80(35.86–47.75) | <0.05 |
 55 and above | 56(27.31) | 35.20(15.83) | 77.32(24.89) | 42.11(34.19–50.03) | <0.05 |
Gender | |||||
 Female | 137(66.82) | 30.35(15.38) | 71.03(26.61) | 40.68(36.05–45.31) | <0.05 |
 Male | 68 (33.17) | 30.47(12.39) | 74.78(24.92) | 44.31(37.82–50.80) | <0.05 |
Migrant status | |||||
 Non migrant | 56 (27.31) | 34.34(14.26) | 72.81(26.68) | 38.46(30.68–46.24) | <0.05 |
 Migrant | 149(72.68) | 28.90(14.26) | 72.02(25.91) | 43.17(38.88–47.45) | <0.05 |