Factors and common conditions associated with adolescent dietary supplement use: an analysis of the National Health and Nutrition Examination Survey (NHANES)

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.

ISSN: 2662-7671