Volume 20, Number 1—January 2014
Research
Effects of Drinking-Water Filtration on Cryptosporidium Seroepidemiology, Scotland
Table 3
Demographic characteristics of participants in study of antibodies against Cryptosporidium in drinking water, Scotland, UK, 2006–2008*
Characteristic |
Location, water filtration status |
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Dundee |
Glasgow |
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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.