Table 3.

Demographic and Clinical Characteristics of Patients Who Had Vitamin D Testing in 2015

CharacteristicPatients Who Had Vitamin D Test with Indication (N = 7468)*Nonindicated Vitamin D Test Subset (N = 574)*
Age (years)
    Means (range)65.7 ± 13.5 (19.8 to 101.3)56.9 ± 11.1 (19.9 to 95.3)
    18 to 29.955 (0.7%)20 (3.5%)
    30 to 39.9244 (3.3%)54 (9.4%)
    40 to 49.9658 (8.8%)104 (18.1%)
    50 to 59.91388 (18.6%)165 (28.7%)
    60 to 69.92154 (28.8%)126 (22.0%)§
    70 to 79.91884 (25.2%)68 (11.8%)
    80 to 89.9949 (12.7%)31 (5.4%)§
    90 to 99.9135 (1.8%)6 (1.0%)
    >1001 (0.1%)0 (0.0%)
Sex
    Male1779 (23.8%)227 (39.5%)
    Female5689 (76.2%)347 (60.5%)
Race/ethnicity
    White6792 (90.9%)526 (91.6%)
    Black522 (7.0%)35 (6.1%)
    Asian53 (0.7%)3 (0.5%)
    Hispanic22 (0.3%)2 (0.3%)
    Other79 (1.1%)8 (1.4%)
BMI (kg/m2)
    Overall mean (range)30.1 ± 7.5 (9.9 to 74.4)30.7 ± 9.0 (17.2 to 56.8)
    <18.573 (1.9%)1 (0.3%)
    18.5 to 24.9899 (23.0%)70 (22.4%)
    25.0 to 29.91252 (32.1%)99 (31.7%)
    30.0 to 34.9873 (22.4%)71 (22.8%)
    35.0 to 39.9418 (10.7%)44 (14.8)
    >40.0388 (9.9%)27 (8.7)
Insurer
    Medicare3564 (47.7%)98 (17.1%)
    Medicaid108 (1.4%)12 (2.1%)
    Commercial2092 (28.0%)240 (41.8%)
    Self-pay1675 (22.4%)220 (38.3%)
    Other29 (0.38%)4 (0.70%)
Top 5 diagnoses associated with vitamin D test
Vitamin D deficiency: 4202 (56.3%)
Osteoporosis/osteopenia: 2276 (30.5%)
Chronic kidney disease: 336 (4.5%)
Malabsorption: 300 (4.0%)
Fracture: 24 (0.3%)
Fatigue: 274 (48%)
Wellness exam/screening: 113 (20%)
Pain: 90 (16%)
Rheumatological condition: 28 (5%)
Depression: 25 (4%)
  • * Values are n (%) unless otherwise indicated.

  • P < .001.

  • P < .01.

  • § P < .05

  • n = 3904.

  • n = 312.

  • BMI, body mass index.