Table 5.

Self-reported HRQOL at Enrollment and 6-Month Follow-up Associated With Vitamin D Supplement Use at Enrollment.

SF-36 Scales	Vitamin D Supplement	Use Categories	Advantage to Vitamin D Users	P Value
Baseline HRQOL	No (n = 298)	Yes (n = 255)
Physical function	75.98	81.34	5.36	t = −2.89; P < .01
Role-physical	45.00	55.43	10.43	t = −2.78; P < .01
Pain	68.28	71.22	2.94	NS
General health	71.14	73.38	2.24	NS
Vitality	48.68	50.83	2.15	NS
Social functioning	66.62	72.04	5.42	t = −2.47; P < .05
Role-emotional	63.91	71.98	8.07	t = −2.27; P < .05
Mental health	71.48	73.70	2.22	NS
6-Month HRQOL	No (n = 228)	Yes (n = 211)
Physical function	81.06	84.68	3.62	t = −1.77; P = .08
Role-physical	61.35	73.81	12.46	t = −3.24; P < .01
Pain	73.02	78.06	5.04	t = −2.20; P < .05
General health	70.63	76.31	5.68	t = −3.11; P < .01
Vitality	53.15	58.88	5.73	t = −2.67; P < .01
Social functioning	74.44	82.36	7.92	t = −3.53; P < .01
Role-emotional	77.82	77.35	−0.47	NS
Mental health	72.40	75.59	3.19	t = −1.87; P = .06

Abbreviation: HRQOL, health-related quality of life.