Fig. 3.

Factors (OR and 95 % CI) associated with dietary supplement use. For aged 1–3 years, covariates include age, sex, quartiles of household income, baby feeding patterns (breast-feeding only, formula feeding and mixed feeding), chronic disease (yes v. no) and breakfast frequency (0–2, 3–4, 5–7 times/week). For aged 4–9 years, covariates include sex, chronic disease (yes v. no). For aged ≥ 10 years, covariates include sex, quartiles of household income and chronic disease (yes v. no). References: sex = boys, household income = quartile 1, birth weight ≥ 2·5 kg, baby feeding patterns = breast-feeding only, chronic disease = no, breakfast frequency = 0–2 times/week, obesity status = obese (BMI ≥ 95 percentile), use of nutrition facts label = no