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. 2004 Oct;19(5):576–580. doi: 10.1093/her/cyg074

Table IV.

Hand-washing change between SARS epidemics


Hand-washing activity and frequency

Two weeks ago (%)

Today (%)a
Hand-washing before meal
    each time 29.4 64.6
    frequent 48.6 32.0
    occasional 20.2 2.8
    never 1.8 0.6
    χ2 = 551.59; d.f. = 3; P < 0.0001
Hand-washing when back home from outdoors
    each time 25.9 63.6
    frequent 47.4 32.3
    occasional 23.5 3.7
    never 3.2 0.4
    χ2 = 638.55, d.f. = 3; P < 0.0001
Hand-washing after contact with public materials
    each time 19.0 52.4
    frequent 44.3 39.6
    occasional 0.32 7.1
    never 4.6 1.0
    χ2 = 617.37; d.f. = 3; P < 0.0001
N
1807
1807
a

The survey was conducted approximately 2 weeks after the Chinese government noticed the SARS situation as a daily occurrence.