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Volume 20, Number 1—January 2014
Research

Effects of Drinking-Water Filtration on Cryptosporidium Seroepidemiology, Scotland

Colin N. RamsayComments to Author , Adam P. Wagner, Chris Robertson, Huw V. Smith, and Kevin G.J. Pollock
Author affiliations: Health Protection Scotland, Glasgow, Scotland, UK (C.N. Ramsay, C. Robertson, K.G.J. Pollock); University of Strathclyde, Glasgow (A.P. Wagner, C. Robertson); International Prevention Research Institute, Lyon, France (C. Robertson); Scottish Parasite Diagnostic Laboratory, Glasgow (H.V. Smith)

Main Article

Table 3

Demographic characteristics of participants in study of antibodies against Cryptosporidium in drinking water, Scotland, UK, 2006–2008*

Characteristic
 Location, water filtration status
Dundee
 Glasgow
Before
After
Before
After
Mean age, y 42.3 (40.8–43.9) 45.5 (43.8–47.2) 38.8 (37.9–39.6) 42.7 (41.7–43.6)
Female, % 44.2 (38.3–50.3) 45.2 (38.7–52) 47.1 (43.9–50.3) 43.1 (39.6–46.8)
Swam in past 12 mo, % 64.6 (58.6–70.2)† 48.3 (41.6–55.1)‡ 58.4 (55.1–61.5)† 50.1 (46.4–53.7)‡
Have with <5 children, % 8.5 (5.7–12.5)† 9.5 (6.2–14.3)‡ 7.4 (5.9–9.2)† 7.5 (5.8–9.7)‡
Have pets, % 43.8 (37.9–49.9)† 38.8 (32.4–45.5)‡ 32.3 (29.3–35.4)† 30.8 (27.5–34.3)‡
Drink unboiled water, % 96.2 (93.1–97.9)† 95.2 (91.4–97.4)‡ 89.2 (87.1–91.1)† 88.4 (85.8–90.5)‡
Drink bottled water, % 69.2 (63.4–74.5)1 63.2 (56.4–69.4) ‡ 77.4 (74.6–80)† 73.7 (70.3–76.8)‡

*Before, before filtration in Glasgow (periods 1 and 2); after, after filtration in Glasgow (periods 3 and 4).
†Percentage of persons who answered “yes” to the question at period 1, period 2, or both.
‡Percentage of persons who answered “yes” to the question at period 3, period 4, or both.

Main Article

Page created: January 03, 2014
Page updated: January 03, 2014
Page reviewed: January 03, 2014
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