Table 4

Adjusted odds ratios and 95% confidence intervals for use of any DS, any vitamin/minerals, and non-vitamins/mineral use (N = 5250) *

Characteristic

Any DS

Any vitamin/minerals

Any non-vitamin/minerals


Demographic Factors

Age

11 – 15 years old

1.0

1.0

1.0

16 – 19 years old

1.11 [.92–1.33]

1.02 [.84–1.24]

1.71 [1.11–2.63]

Gender

Female

1.0

1.0

1.0

Male

0.86 [0.73–1.02]

0.85 [0.69–1.02]

1.35 [0.93–1.96]

Race/Ethnicity

Non-Hispanic White

1.0

1.0

1.0

Non-Hispanic Black

0.40 [0.31–0.50]

0.44 [0.33–0.56]

0.27 [0.14–0.51]

Mexican American

0.55 [0.44–0.69]

0.58 [0.44–0.73]

0.44 [0.27–0.72]

All others

0.61 [0.44–0.85]

0.76 [0.54–1.04]

0.47 [0.18–1.24]

Clinical Factors

Health Status

Excellent/very good

1.0

1.0

1.0

Good

0.89 [0.71–1.11]

0.89 [0.70–1.09]

0.83 [0.49–1.41]

Poor/fair

0.59 [0.40–0.88]

0.61 [0.37–0.92]

0.66 [0.23–1.89]

Prescription medication user

No

1.0

1.0

1.0

Yes

1.37 [1.10–1.72]

1.48 [1.16–1.90]

1.07 [0.61–1.86]

Asthma

No

1.0

1.0

1.0

Yes

0.84 [0.65–1.10]

0.90 [0.69–1.11]

0.49 [0.24–1.02]

Attention deficit disorder

No

1.0

1.0

1.0

Yes

1.10 [0.82–1.49]

1.14 [0.82–1.53]

1.24 [0.65–2.39]

Hayfever

No

1.0

1.0

1.0

Yes

1.23 [0.86–1.74]

1.26 [0.89–1.79]

1.46 [0.88–2.44]

Headache

No

1.0

1.0

1.0

Yes

1.25 [1.04–1.50]

1.23 [0.99–1.46]

0.77 [0.42–1.40]

Obese

No

1.0

1.0

1.0

Yes

0.86 [0.65–1.15]

0.80 [0.55–1.08]

1.51 [1.07–2.13]


Multivariable logistic regression: the variable income was removed from the model due to co-linearity with the variable race/ethnicity (Standard error greater then 25%) The original sample size was 5306. We excluded 56 subjects due to missing data. This is slightly more than 1% of the sample.

Gardiner et al. BMC Complementary and Alternative Medicine 2008 8:9   doi:10.1186/1472-6882-8-9

Open Data