Table 5. Regression Coefficients Predicting End (after Treatment) Serum 25-Hydroxyvitamin D Concentration

	B	P Value	95% Confidence Interval
	B	P Value	Lower	Upper
Full model
Age	0.092	<.001^*	0.05	0.13
Sex	0.616	.293	−0.53	1.77
BMI	−0.201	<.001^*	−0.26	−0.14
Nursing home	1.349	.065	−0.08	2.78
Albumin	1.378	.012^*	0.30	2.46
Creatinine	−0.467	.205	−1.19	0.26
Dose of vitamin D	0.002	<.001^*	0.002	0.002
Starting vitamin D	0.384	<.001^*	0.35	0.42
Constant	7.853	.008^*	2.03	13.68
Reduced model
Age	0.074	<.001^*	0.04	0.11
BMI	−0.203	<.001^*	−0.26	−0.15
Albumin	1.749	.001^*	0.74	2.76
Dose of vitamin D	0.002	<.001^*	0.002	0.002
Starting vitamin D	0.074	<.001^*	0.04	0.11
Constant	−0.203	<.001^*	−0.26	−0.15

Full and reduced models for all patients and all 3885 observations are included.
↵* Statistically significant (P < .05).
BMI, body mass index.