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. 2022 Nov 8;14(22):4714. doi: 10.3390/nu14224714

Table 8.

Usual intake and prevalence of intake inadequacy for vitamin C and thiamine among Chinese adults.

Age Group Vitamin C (mg/Day) Thiamine (mg/Day)
Mean * (SE) P25 *
(SE)
Median * (SE) P75 *
(SE)
%Below EAR * (SE) Mean * (SE) P25 *
(SE)
Median * (SE) P75 *
(SE)
%Below EAR (SE)
Males
18~49 78.69 (1.36) 49.13 (1.12) 71.97 (1.3) 100.8 (1.67) 62.65 (1.29) 0.88 (0.01) 0.65 (0.01) 0.83 (0.01) 1.06 (0.01) 85.27 (0.84)
50~64 83.08 (1.4) 52.59 (1.11) 76.18 (1.32) 106.06 (1.73) 58.54 (1.3) 0.85 (0.01) 0.63 (0.01) 0.81 (0.01) 1.03 (0.01) 87.17 (0.74)
65~79 78.11 (1.59) 48.77 (1.29) 71.33 (1.53) 99.97 (1.89) 63.38 (1.52) 0.78 (0.01) 0.57 (0.01) 0.73 (0.01) 0.93 (0.01) 91.86 (0.54)
80~ 67.42 (2.89) 40.8 (2.23) 60.83 (2.75) 87.1 (3.58) 73.31 (2.86) 0.69 (0.02) 0.51 (0.02) 0.65 (0.02) 0.84 (0.02) 95.65 (0.66)
Females
18~49 75.2 (1.41) 46.63 (1) 68.54 (1.3) 96.56 (1.79) 66.09 (1.36) 0.72 (0.01) 0.53 (0.01) 0.68 (0.01) 0.87 (0.01) 85.68 (0.66)
50~64 79.66 (1.58) 49.94 (1.13) 72.91 (1.46) 102 (1.98) 61.78 (1.52) 0.7 (0.01) 0.51 (0.01) 0.66 (0.01) 0.84 (0.01) 87.53 (0.62)
65~79 74.48 (1.8) 45.91 (1.33) 67.71 (1.71) 95.72 (2.23) 66.77 (1.71) 0.63 (0.01) 0.46 (0.01) 0.6 (0.01) 0.77 (0.01) 92.36 (0.46)
80~ 63.7 (2.81) 37.93 (2.29) 57.25 (2.81) 82.15 (3.57) 77.08 (2.51) 0.56 (0.02) 0.41 (0.01) 0.53 (0.01) 0.68 (0.02) 96.03 (0.68)
Total 77.67 (1.27) 48.33 (0.97) 70.91 (1.19) 99.61 (1.6) 63.69 (1.21) 0.78 (0.01) 0.57 (0.01) 0.74 (0.01) 0.95 (0.01) 86.72 (0.62)

*—Significant at p < 0.05 between age–sex groups.