Table 3

Factors effecting endline serum 25(OH)D (ng/mL) of women

	Unadjusted			Adjusted
	β	95% CI	P value	β	95% CI	P value
Treatment group
Group A (4000 IU/day)	4.19	1.71 to 6.67	0.001	4.16	1.6 to 6.71	0.002
Group B (2000 IU/day)	2.14	−0.32 to 4.59	0.088	1.43	−1.02 to 3.88	0.251
Group C (400 IU/day)	Ref			Ref
Maternal age (years)
<25	Ref			Ref
26–30	−0.16	−2.39 to 2.06	0.886	0.07	−2.1 to 2.23	0.951
≥31	0.72	−2.59 to 4.04	0.668	1.28	−2.14 to 4.7	0.462
Maternal years of education
Primary	1.05	−2.18 to 4.29	0.522	0.5	−2.63 to 3.63	0.752
Middle	−0.68	−2.91 to 1.55	0.548	0.73	−1.46 to 2.93	0.511
Matric and above	Ref			Ref
Food groups consumed	0.91	−0.08 to 1.91	0.071	0.95	0.01 to 1.89	0.047
Total time spent in sunlight (hours)	−0.01	−0.04 to 0.01	0.32	−0.01	−0.03 to 0.02	0.659
Baseline serum 25(OH)D (ng/mL)	0.43	0.29 to 0.57	<0.0001	0.43	0.29 to 0.58	<0.000