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Table 1 Face mask supply and population distribution in Taiwan by month

From: Strategies for supplying face masks to the population of Taiwan during the COVID-19 pandemic

Period Age group Mask supply by person (%) Register population (%) Standardized difference
n % n %
2/6/2020 to 7/19/2020 0–9 1,728,403 8.66 1,826,052 7.74 0.03
10–19 1,888,625 9.46 2,132,859 9.04 0.01
20–59 11,613,738 58.20 14,024,290 59.42 0.02
60 4,725,083 23.68 5,619,920 23.81 0.00
2/6/2020 to 3/4/2020 0–9 1,355,889 10.72 1,826,052 7.74 0.10
10–19 1,299,456 10.27 2,132,859 9.04 0.04
20–59 6,886,729 54.43 14,024,290 59.42 0.10
60 3,110,780 24.59 5,619,920 23.81 0.02
3/5/2020 to 4/1/2020 0–9 1,473,339 10.05 1,826,052 7.74 0.08
10–19 1,479,717 10.09 2,132,859 9.04 0.04
20–59 8,062,801 55.00 14,024,290 59.42 0.09
60 3,643,267 24.85 5,619,920 23.81 0.02
4/2/2020 to 4/29/2020 0–9 1,421,754 9.01 1,826,052 7.74 0.05
10–19 1,587,403 10.06 2,132,859 9.04 0.03
20–59 8,709,093 55.18 14,024,290 59.42 0.09
60 4,063,760 25.75 5,619,920 23.81 0.04
4/30/2020 to 5/27/2020 0–9 931,482 8.04 1,826,052 7.74 0.01
10–19 1,199,559 10.36 2,132,859 9.04 0.04
20–59 6,370,606 55.01 14,024,290 59.42 0.09
60 3,079,272 26.59 5,619,920 23.81 0.06
5/28/2020 to 6/24/2020 0–9 798,973 8.90 1,826,052 7.74 0.04
10–19 938,709 10.45 2,132,859 9.04 0.05
20–59 4,836,376 53.86 14,024,290 59.42 0.11
60 2,405,910 26.79 5,619,920 23.81 0.07
6/25/2020 to 7/19/2020 0–9 696,351 9.17 1,826,052 7.74 0.05
10–19 787,826 10.38 2,132,859 9.04 0.05
20–59 4,069,870 53.61 14,024,290 59.42 0.12
60 2,037,319 26.84 5,619,920 23.81 0.07
  1. Mask supply statistics according to the purchase records of pharmacies, district public health centers, and face masks files of national health insurance
  2. The population register is according to the national population statistics of Taiwan up to Dec 15, 2019