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Table 8 Micronutrient intake among adolescents (12–19.9 years) (n = 495)*

From: Sex disparities in dietary intake across the lifespan: the case of Lebanon

  Total
(n = 495)
Males
(n = 244)
Females
(n = 251)
p-value
Calcium (mg)
 Mean ± SE 634.28 ± 16.98 745.03 ± 24.55 523.52 ± 24.0 < 0.001
 Below 2/3rd RDA, n (%) 377 (76.2) 160 (65.6) 217 (86.5) < 0.001
Iron (mg)
 Mean ± SE 10.96 ± 0.31 12.64 ± 0.44 9.28 ± 0.43 < 0.001
 Below 2/3rd RDA, n (%) 185 (37.4) 41 (16.8) 144 (57.4) < 0.001
Zinc (mg)
 Mean ± SE 8.65 ± 0.22 10.13 ± 0.32 7.18 ± 0.31 < 0.001
 Below 2/3rd RDA, n (%) 141 (28.5) 45 (18.5) 96 (38.2) < 0.001
Vitamin A (RAE, μg)
 Mean ± SE 882.63 ± 102.14 1118.0 ± 147.67 647.35 ± 144.31 0.025
 Below 2/3rd RDA, n (%) 315 (63.8) 156 (64.2) 159 (63.3) 0.844
Vitamin C (mg)
 Mean ± SE 81.68 ± 3.1 85.83 ± 4.49 77.52 ± 4.38 0.190
 Below 2/3rd RDA, n (%) 161 (32.7) 77 (31.7) 84 (33.7) 0.629
Vitamin B12 (μg)
 Mean ± SE 4.35 ± 0.56 6.14 ± 0.82 2.57 ± 0.8 0.002
 Below 2/3rd RDA, n (%) 198 (40) 71 (29.1) 127 (50.6) < 0.001
  1. Abbreviations: μg micrograms; mg milligrams; RAE Retinol Activity Equivalents; RDA Recommended Daily Allowance; SE standard error;
  2. * Only including participants with completed dietary intake, and excluding those with Kcal outliers
  3. For the analysis pertinent to the mean intake: Analysis of covariance (ANCOVA) was performed after adjusting for age and governorates. For chi-square analysis: No controlling for covariates was made
  4. Bolded numbers are significant at p < 0.05