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Table 1 Mean serum 25(OH)D difference for pre and post vitamin D supplementation across all demographic characteristics

From: Efficacy of high dose Vitamin D supplementation in improving serum 25(OH)D among migrant and non migrant population: a retrospective study

Variables Number (Percent) Serum 25OHD Pre-dose Mean (SD) Serum 25OHD Post-dose Mean (SD) Mean serum difference 95 % 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